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T / S Patent Date Description Patentee Category Assigned To
 1998
U 5,796,048 August 18, 1998 Insulator having Conductive Surface Coating to Prevent Corona Discharge
RFI coating
SUZUKI, Yoshihiro
KUTSUNA, Eiji
RFI NGK Insulators, Ltd.
 1989
U 4,845,318 July 4, 1989 Composite Electrical Insulator and Method of Forming Same
Polymer suspension with porcelain core
CLABBURN, Robin
LOOMS, John
Polymer Raychem Limited
U 4,814,551 March 21, 1989 Anticorrosive Insulator
Suspension (anticorrosive), cementing metal cap for DC service (Japan)
WATANABE, Akihiro
MORI, Shigeo
Suspension NGK Insulators, Ltd.
 1988
U 4,782,199 November 1, 1988 Insulators Having Improved Steep Wave Front Characteristics
Suspension, head treated with special glaze to strengthen cap/cement
SEIKE, Shoji
TOTOKI, Takao
MIMA, Toshiyuki
Suspension NGK Insulators, Ltd.
U 4,782,198 November 1, 1988 Suspension Insulators
Suspension (porcelain) with glazed head for cementing metal cap
MORIYA, Tsutomu
SHINOKUBO, Hiroyuki
Suspension NGK Insulators, Ltd.
U 4,757,162 July 12, 1988 Rigid Electrical Insulator Including a Lightly Tempered Soda-Lime Glass Dielectric
Glass insulator with controlled stress and compression
DUMORA, Denis
PARANT, Jean-Paul
PARGAMIN, Laurent
Glass Ceraver
U 4,749,824 June 7, 1988 High Voltage Insulators
Polymer suspension made of silicon elastomer
ORBECK, Tor
Polymer Dow Corning Corp.
 1987
U 4,658,092 April 14, 1987 Explosion Preventing Suspension Insulator
Suspension insulator using cement to prevent damage to insulator from expansion
NAKAMURA, Itsushi
MORI, Shigeo
Suspension NGK Insulators, Ltd.
 1985
U 4,559,414 December 17, 1985 Electrolytic Corrosion Resistant Insulator
Suspension insulator that is corrosion resistant
KITO, Kuniji
WATANABE, Akihiro
Suspension NGK Insulators, Ltd.
U 4,529,838 July 16, 1985 Support Bracket for Electrical Insulator
Bracket for mounting on side of pole made of a rod of insulating material with pin bracket on one end.
HALL, Gaddis G.
Bracket  
U 4,524,404 June 18, 1985 High Voltage Insulator Assemblage Having Specially Chosen Series Resistance
Suspension insulator that eliminates flashover due to dirty insulators
VERMA, Mandranjan
Suspension  
 1984
U 4,465,900 August 14, 1984 High Voltage Glazed Porcelain Insulators
Porcelain insulator and glaze designed specifically for DC service
SEIKE, Shoji
MITSUMATSU, Yoshio
Porcelain NGK Insulators, Ltd.
U 4,443,659 April 17, 1984 Glaze to Pin Connection for an Electrical Insulator with Embedded Metal Fitting
Suspension with semi-conducting glaze & conducting coating on cement
TATEM, William A.
Suspension Interpace Corp.
U 4,427,844 January 24, 1984 Metal Capped Electrical Insulator and Method of Making Same
Suspension (glass) where the aluminum alloy cap is molded in place
SABY, Charles
JEANNIN, Serge
PERRIER, Jean-Paul
Suspension Ceraver
 1983
U 4,406,918 September 27, 1983 Tempered Glass Dielectric Member for an Electrical Insulator and an Insulator Using Said Member
Glass tempering method
SABY, Charles
Glass Ceraver
 1982
U 4,332,913 June 1, 1982 Flux Combination of Barium Oxide and Potassium Feldspar for High Strength Alumina Porcelain Electric Insulators
Porcelain composition with low shrinkage during firing
BOCK, Peter
Porcelain Rosenthal Technik AG
 1977
U 4,047,279 September 13, 1977 Upgrading Current Distribution Insulators
Miscellaneous insulator with male screw to receive existing insulator for upgrading
PETTIT, Ernest E.
Miscellaneous W. Leon Sell/Ernest E. Pettit/R. Don Sell
 1975
U 3,923,570 December 2, 1975 Manufacture of Insulators
Method of cementing suspension insulators using thick cement and high intensity vibrations
WILLEM, Michel
Suspension Societe Europeene d'Isolateurs en Verre (SEDIVER)
 1974
U 3,836,705 September 17, 1974 Electrical Insulator and Conducting Tar Therefore
RFI prevention using conductive tar to coat insulator and metal surfaces for cementing
ROSENBLATT, Gordon
RFI Canadian Porcelain Co.
 1973
U 3,779,730 December 18, 1973 Control for Glass Marble, Feeding, Melting, and Fiber Forming Unit
Machine for feeding, melting, and making fibers from glass marbles.
RAMGE, Dennis Lee
Glass Marble Johns-Manville Corp.
 1972
U 3,658,583 April 25, 1972 Method for Producing Semi-Conducting Glaze Compositions for Electric Insulators
RFI semi-conductive glaze formulas
OGAWA, Yutaka
RFI NGK Insulators, Ltd.
 1971
U 3,589,986 June 29, 1971 Method of Fabricating a Glass Forming Apparatus
Plating of molds with Chromium for glass blocks & TV faceplates
NULL, Carroll Thomas
OI Owens-Illinois Glass Co.
U 3,582,538 June 1, 1971 Prestressed Insulator
Prestressing post type insulators by making porcelain in compression in order to increase cantilever load
KILLIAN, Stanley C.
DEWEY, Benjamin F.
Post Type Interpace Corp.
 1970
U 3,497,339 February 24, 1970 Stud Insertion Apparatus for Color TV Bulbs and Method of Insertion
Metal stud insertion process for color TV tubes
EASTUS, Harold L.
OI Owens-Illinois Glass Co.
 1969
U 3,474,995 October 28, 1969 Utility Pole Insulator Bracket Extension
Metal bracket or extension to support insulators, fuses, etc. when no crossarms are present.
AMIDON, Joseph C.
QUAYLE, Jackson C.
Miscellaneous  
U 3,444,314 May 13, 1969 Suspension Insulator Having a Cap With Internal Load Transmitting Surfaces
Suspension metal cap designed with steps to aid in holding cement on insulator
VAN TUYL, Thomas Oliver
Suspension  
 1968
U 3,416,909 December 17, 1968 Apparatus for Molding Glass Articles
Glass press that can be adapted for insulator manufacture
WILCOCK, John Edward
Press Pilkington Brothers Ltd.
U 3,389,214 June 18, 1968 Coated Insulator
Suspension with RFI coating composed of semiconducting ceramic of silicon carbide
SMOTHERS, William J.
RFI The Ohio Brass Co.
U 3,368,026 February 6, 1968 Electrical Insulator Having Improved Surface Electrical Stress Distribution
RFI prevention using two glaze coatings on suspension insulators
VINCE, Patrick Michael
RFI Doulton & Co., Ltd.
 1967
U 3,347,003 October 17, 1967 Protective Mounting Structure for Retractable Antenna
Retractable antenna for a bomb shelter
LAPP, Rudolph S.
Antenna Lapp Insulator Co., Inc.
 1966
U 3,288,918 November 29, 1966 Apparatus for Securing Lines to Supports
Preformed tie wire and line reinforcement of ribbon helix made of resilient material that may be uncoiled to make the tie but spring back to preformed shape
SCHLEIN, Seymour N.
Tie Wire The Fanner Mfg. Co.
U Specimen known 3,268,655 August 23, 1966 High Voltage Cable Spacer Insulator Device
Aerial spacer to hold three high voltage conductors and keep them spaced apart.
HAIGH, William Francis
MCMAHON, Chester
MCMAHON, Eugene Joseph
Spacer Fargo Manufacturing Co.
U Specimen known 3,251,014 May 10, 1966 Electrical Coupling Device
Miscellaneous internal coupling device to obtain a voltage from high voltage power line
STEIN, Laurence B.
Miscellaneous Sigma Instruments, Inc.
U 3,243,505 March 29, 1966 Insulator Having Semi-Conductive Layers to Increase the Capacitance Thereof
Fog type suspension with conductive layers on top and bottom of disk
CLARK, Colin H. W.
Fog Steatite and Porcelain Products, LTD.
U 3,229,031 January 11, 1966 Selective Stacking for Pedestal Post Insulators
Method of connecting similar pedestal post insulators to obtain desired insulation levels
OWENS, James B.
ALEXANDER, David E.
Pedestal Post I-T-E Circuit Breaker Co.
 1965
U 3,224,857 December 21, 1965 Apparatus for Homogenzing Molten Glass in a Forehearth
Method of stirring colorants into glass batch
ALLMAN, Orin H.
BRUMM, Carl E.
PITHER, Leslie F.
OI Owens-Illinois Glass Co.
U 3,218,140 November 16, 1965 Method for Cleaning Glass-Working Tools
Cleaning presses for glass block & TV faceplate production
FRANCEL, Josef
SPANOUDIS, Louis
OI Owens-Illinois Glass Co.
U 3,217,095 November 9, 1965 Cast Aluminum Insulator Cap
Suspension cap made of cast aluminum
ROSS, Frank S.
VAN TUYL, Thomas Oliver
Suspension American-International Aluminum Corp.
U 3,202,498 August 24, 1965 Glass Forming Plunger
Glass press for TV faceplates and glass block
TOROK, Julius J.
OI Owens-Illinois Glass Co.
U 3,185,560 May 25, 1965 Plural Piston Press Forming Apparatus
Press for forming the inner shape of glass articles such as a suspension insulator
WILCOCK, John Edward
Press Pilkington Brothers Ltd.
U 3,185,558 May 25, 1965 Moulding Hollow Glass Articles
Press for forming the inner shape of glass articles such as a suspension insulator
WILCOCK, John Edward
Press Pilkington Brothers Ltd.
U 3,166,687 January 19, 1965 Transparent Electroluminescent Cell and Glass Block
Glass Block with internal illumination
VERES, Frank
OI Owens-Illinois Glass Co.
 1964
U 3,155,479 November 3, 1964 Centrifugal Molds and Method of Forming Hollow Articles
Glass TV Tube Molds
ZIMMERMAN, George
OI Owens-Illinois Glass Co.
U 3,148,047 September 8, 1964 Press-Molding Machine With Heat Flow Control
TV Faceplate molding machine
TOROK, Julius J.
OI Owens-Illinois Glass Co.
U 3,141,063 July 14, 1964 Toughened Glass, Pin Type Insulator
Glass tempering method
EDWARDS, Derrik R.
Glass Pilkington Brothers Limited
U 3,129,089 April 14, 1964 Forming Glass Articles
Press for glass blocks & TV faceplates
TOROK, Julius J.
OI Owens-Illinois Glass Co.
U 3,127,278 March 31, 1964 Low-Melting Glass Sealant and Article Made Therefrom
Welding of glass block and TV Tube parts
FRANCEL, Josef
HAGEDORN, Erwin C.
OI Owens-Illinois Glass Co.
U 3,122,861 March 3, 1964 Field Replacement Block in Masonry Walls and Panels
Field Replacement of Glass Blocks
IDEN, Charles H.
OI Owens-Illinois Glass Co.
U 3,119,681 January 28, 1964 Glass Forming Molds
Mold for Glass Blocks and TV Faceplates
VOGELPHOL, Rol L.
OI Owens-Illinois Glass Co.
U 3,118,967 January 21, 1964 Transposing Device
Unusual circular transposition insulator device
ROSENVOLD, Carl
Transposition Transadean Associates, Inc.
 1963
U 3,116,362 December 31, 1963 Insulating Bushing Assembly with Spring Retaining Means
Porcelain bushing with a retaining spring.
RANKIN, Lawrence H.
Bushing The Hartford Faience Co.
U 3,113,728 December 10, 1963 Artificial Light and Daylighting Structure
Artificical Light that looks like a glass block
BOYD, Robert A.
OI Owens-Illinois Glass Co.
U Specimen known 3,097,101 July 9, 1963 Ceramic Product and Method of Making the Same
Increases the mechanical and electrical strength of porcelain insulators by controlling the grain size of the flint used in the porcelain body and the glaze.
LESTER, Ronald H.
Porcelain General Electric Co.
U 3,096,684 July 9, 1963 Fenestration Structure for Control of Daylighting
Glass block wall construction
KEGG, Robert R.
LA BRECQUE, Raymond E.
WARNKE, Richard C.
OI Owens-Illinois Glass Co.
U 3,093,508 June 11, 1963 Method of Coating Glass
Silicone coated glass that can be used for insulators
WARTENBERG, Erwin W.
Glass Coating  
U 3,089,051 May 7, 1963 Catadioptric Electroluminescent Glass Block
Glass Block with internal illumination
VERES, Frank
OI Owens-Illinois Glass Co.
U 3,084,483 April 9, 1963 Method of Sealing Panelized Curtain Wall Assembly
Method of sealing prefabricated glass block walls
CIPRIANI, Chester C.
STARK, Charles H.
OI Owens-Illinois Glass Co.
 1962
U 3,070,474 December 25, 1962 Bonded Glass Surfaces and Method Therefore
Masonry bonding grit for glass block
SMITH, Robert M.
OI Owens-Illinois Glass Co.
U 3,069,491 December 18, 1962 Helical Spring Wire Tie
Preformed tie wire and line wire reinforcement using a simple single length of spring wire with no clips
HAYDEN, Albert P.
MASON, Alden O.
Tie Wire United States Steel Corp.
U Specimen known 3,061,667 October 30, 1962 Telegraph Pole Line Insulator
Rubber pin type insulator (Brown p. 91)
MARKLEY, William F.
SLATER, James L.
Rubber Western Union Telegraph Co.
U 3,054,704 September 18, 1962 Insulator Assembly Method and Apparatus
Suspension, method of sealing cement to improve strength during curing
RUOFF, George M.
Suspension A. B. Chance Co.
U 3,026,575 March 27, 1962 Skylight Structure and Method of Fabrication
Sklight made of glass blocks
LUSHER, Kenneth G.
MCDAVITT, Murray
VINCENT, Harvard B.
OI Owens-Illinois Glass Co.
U Specimen known 3,024,303 March 6, 1962 Glazed Insulator Which Comprises a Ceramic Body and a Primary Coat Under the Glaze Which has a Lower Coefficient of Thermal Expansion than the Ceramic Body
Suspension insulator with compression glaze coating under outer glaze surface
SMOTHERS, William J.
SELSING, Jorgen
Suspension The Ohio Brass Co.
U 3,019,559 February 6, 1962 Take-Out Apparatus for Glassware
Machine to remove glass block halves from machines
STUTSKE, William A.
WOOD, JR., Frederick H.
KI Kimble Glass Co.
 1961
U 3,012,378 December 12, 1961 Light Transmitting Blocks
Glass Block
BOYD, Robert A.
OI Owens-Illinois Glass Co.
U 3,003,287 October 10, 1961 Apparatus for Forming Glass Articles
Glass block and TV faceplate pressing machine
TOROK, Julius J.
KI Kimble Glass Co.
U 2,996,845 August 22, 1961 Structural Panel and Building Wall Construction Utilizing Same
Panellized glass block wall construction
CIPRIANI, Chester C.
STARK, Charles H.
KI Kimble Glass Co.
U 2,995,184 August 8, 1961 Gas Burner Structures
Gas Burner for welding glass blocks
ZIMMERMAN, George
OI Owens-Illinois Glass Co.
U 2,993,409 July 25, 1961 Skylights
Glass Block Skylight
BOYD, Robert A.
OI Owens-Illinois Glass Co.
U 2,992,515 July 18, 1961 Apparatus for Forming Perforated Glass Bodies
Machine to place holes in glass blocks
MATHIAS, SR., Russell L.
KI Kimble Glass Co.
U 2,988,852 June 20, 1961 Method of Thermally Sealing Hollow Glass Articles at Minimal Temperatures
Glass to glass seal for glass blocks
HENRY, Kenneth M.
OI Owens-Illinois Glass Co.
U 2,986,595 May 30, 1961 Post Type Insulator and Method of Making the Same
Method of sealing the internal part of the insulator to protect its electrical resistance
FIERO, Carl D.
COREY, Charles E.
Post Type Lapp Insulator Co., Inc.
U 2,978,839 April 11, 1961 Apparatus for Finishing Apertured Glass Articles
Fire polishing of holes for thru hole insulators CD 1049
EASTUS, Harold L.
HIATT, Earl
Manufacturing Kimble Glass Co.
U 2,976,034 March 21, 1961 Chuck for Glass Block Machine
Chuck for Glass Block Machine
HIATT, SR., Earl
OU  
U 2,975,554 March 21, 1961 Press Mold and Method of Operation
Insulator press for CD 1049
STUTSKE, William A.
TOROK, Julius J.
Press Owens-Illinois Glass Co.
U 2,975,499 March 21, 1961 Ceramic Tunnel Kiln
More fuel efficient tunnel kiln for burning ceramic ware and produces a more uniform quality of porcelain.
LAPP, Grover W.
Tunnel Kiln  
U 2,972,783 February 28, 1961 Method for Fabricating Glass Block Panels
Toplite skylight glass block panels
RUSSELL, Richard G.
THEISEN, Jean P.
STARK, Charles H.
KI Kimble Glass Co.
U 2,972,211 February 21, 1961 Method of Manufacturing a Glass Insulator
Method of tempering glass insulators where the head is toughened more than the rest of the insulator
JELLYMAN, Philip E.
MACINTOSH, Hamish Fraser
WILCOCK, John E.
Glass Pilkington Brothers Ltd.
 1960
U 2,953,483 September 20, 1960 Method and Apparatus for Applying Coatings to Selected Areas of Articles
Radio treatment process for CD 239
TOROK, Julius J.
RFI Owens-Illinois Glass Co.
U 2,947,802 August 2, 1960 Insulator with Cap in Socket
Pin covered with plastic cap to more securely hold the insulator on the pin
WORTMANN, Adolf
Pin  
U 2,947,801 August 2, 1960 Contamination and Moisture Resistant Insulator
A conductive coating used to generate heat to keep surface of the insulator dry
DOOLITTLE, Fred B.
Fog  
U 2,947,267 August 2, 1960 Skylight Mounting
Glass block for skylight
STARK, Charles H.
OI Owens-Illinois Glass Co.
U 2,941,393 June 21, 1960 Banded Hollow Glass Structural Unit
Glass block for skylights etc.
MCDAVITT, Murray
VINCENT, Harvard B.
OI Owens-Illinois Glass Co.
U 2,941,029 June 14, 1960 Preformed Tie for Fastening a Line Wire to an Insulator
Preformed tie wire and line reinforcement of hard drawn wire helix with loops in the ends of the tie wire loop portion for a hand tool to pull tie wire tight around the insulator
STOECKEL, Albert L.
Tie Wire United State Steel Corp.
U 2,935,553 May 3, 1960 Electrical Knob Insulator
Nail-knob with center bushing to secure nail
SHOWMAN, Robert L.
Knob A. B. Chance Co.
U 2,925,183 February 16, 1960 Pneumatic Take-Out Apparatus for Glassware
Machine for removing insulators from molds
EASTUS, Harold L.
Manufacturing Kimble Glass Co.
U Specimen known 2,921,112 January 12, 1960 Electric Conductor Strand Separator Insulator
Spacer for conductors
DYKSTRA, Laurence J.
GRILLS, Lee J.
Spacer The Porcelain Insulator Corp.
 1959
U 2,915,801 December 8, 1959 Apparatus for Forming Plastic Clay Bodies
Mold and pressing operation to eliminate the need to plunge and trim a suspension disk
HARRY, William R.
Mold McGraw-Edison Co.
U 2,912,482 November 10, 1959 Aerial Cable Support and Spacer
Support and spacer for multiple electrical power lines
HORROCKS, Raymond G.
MILLER, Carroll de V.
BRENNER, Theodore J.
Spacer PLM Products, Inc.
U 2,911,695 November 10, 1959 Tie for Fastening a Line Wire to an Insulator
Tie wire using a preformed helical wire with tie wire loop crimped several times to make points of contact with the insulator and secured in place with an interlocking clip
KNIGHT, Robert D.
MELVILLE, Thomas
Tie Wire United States Steel Corp.
U 2,909,004 October 20, 1959 Plunger Removal Chuck for Insulator Press
Insulator threading mandrel removal machine
TOEPFER, Walter J.
PRENDERGAST, John R.
Press Owens-Illinois Glass Co.
U 2,898,658 August 11, 1959 Manufacture and Apparatus for the Manufacture of Ceramic Ware
Method of removing water through conduits in the mold when plastic clay is pressed in a mold.
HARRY, William R.
Mold McGraw-Edison Co.
U 2,897,256 July 28, 1959 Line Wire Support
Tie wire and line reinforcement using a preformed hard drawn wire helix designed to allow adjustment of line wire after installation
KITSELMAN, Harry L.
HOLMES, Alvin W.
Tie Wire Indiana Steel & Wire Co.
U 2,895,260 July 21, 1959 Method of Treating a Glass Insulator
Method of making a toughened glass insulator
JELLYMAN, Philip E.
DICKINSON, George A.
MACINTOSH, Hamish F.
Glass Pilkington Brothers Ltd.
U 2,893,542 July 7, 1959 Glass Working Machine
Glass press (references Hemingray press 588,795)
WATKINS, George E.
POND, Leander N.
Press Corning Glass Works
U 2,879,323 March 24, 1959 Electrical Insulating Cement
Cement made from synthetic resin to bond metal to porcelain
NICHOLS, Frank S.
SMITH, JR., Sidney R.
Cement General Electric Co.
U 2,870,244 January 20, 1959 Glass Insulator Assembly Units
Glass toughened by stream of air after forming
JELLYMAN, Philip E.
Glass Pilkington Brothers Limited
U 2,867,551 January 6, 1959 Apparatus and Method for Applying Conductive Coatings to Insulators
Radio treatment process for CD 239
KOZAK, John
RFI Owens-Illinois Glass Co.
 1958
U 2,866,298 December 30, 1958 Method of Joining Glass Parts
Sealing halves of TV tubes together with special glass
BABCOCK, Clarence L.
OI Owens-Illinois Glass Co.
U 2,863,260 December 9, 1958 Machine for Molding Glass Articles
Insulator press
TOEPFER, Walter J.
STUTSKE, William A.
Press Owens-Illinois Glass Co.
U 2,862,990 December 2, 1958 Combination Point and Span Transposition Bracket
Transposition and span bracket for carrier circuits
CASE, JR., Rogers
Transposition  
U 2,861,392 November 25, 1958 Method of sealing TV tubes
Apparatus for Sealing Picture Tubes
VINCENT, Harvard B.
OI Owens-Illinois Glass Co.
U 2,858,734 November 4, 1958 Skylight
Glass Block Skylight
BOYD, Robert A.
OI Owens-Illinois Glass Co.
U 2,857,505 October 21, 1958 Method of welding TV tube studs
Stud Welding Apparatus
SMITH, Ralph H.
OI Owens-Illinois Glass Co.
U 2,851,973 September 16, 1958 Skylight Construction
Skylights made of glass block
STARK, Charles H.
LENKE, George H.
OI Owens-Illinois Glass Co.
U 2,844,998 July 29, 1958 Glass Building Block Having Light Directing Properties
Glass block that directs light
VINCENT, Harvard B.
OI Owens-Illinois Glass Co.
U 2,843,973 July 22, 1958 Apparatus Used in Compression Molding of Objects of Glass and Like Material
Insulator press
CLIGNET, Georges
Press Verreries Charbonneaux
U 2,843,925 July 22, 1958 Methods of Separating Glass Articles
Method of Separating TV Tubes & Glass Blocks
LOGUE, James A.
ROBERTS, Theron W.
SWANSON, Frank O.
OI Owens-Illinois Glass Co.
U 2,843,653 July 15, 1958 Conductor Insulator Clamp
Tie wire replacement using a preformed bail wire design
MIX, Chauncey C.
Tie Wire  
U 2,835,623 May 20, 1958 Method of Forming a Unitary Panel of Glass Blocks
Pre-assembled glass block windows and skylight panels
VINCENT, Harold B.
MCDAVITT, Murray
OI Owens-Illinois Glass Co.
U 2,830,648 April 15, 1958 Process and Apparatus for Producing a Glass Fiber Mat
Glass marbles are used to feed the machine to produce a glass fiber mat.
HADDOCX, Edward J.
Glass Marble L. O. F. Glass Fibers Co.
U 2,821,158 January 28, 1958 Machine for Coating Bell-Shaped Electrical Suspension Insulators
Machine for automatically glazing suspension insulators and applying a sanded band for cementing the metal cap.
BROWN, Leonard
MIGLIORINI, Vincent T.
LENZ, Carl
SMITLEY, Wayne C.
Manufacturing General Electric Co.
 1957
U 2,816,155 December 10, 1957 Insulator Clamp
Tie wire replacement using a preformed adjustable sheet metal loop
BARNES, Robert I.
Tie Wire  
U 2,815,395 December 3, 1957 Radioactive Lightning Protector
Lightning rod with a porcelain insulator just below the point with bands of radioactive material on its surface and a much larger hollow metal spoked ring below with bands of radioative material on the surface
DONELLI, Benedetto Luigi
Lightning Rod  
U 2,812,692 November 12, 1957 Control of Daylighting
Window design uitilizing glass blocks
BOYD, Robert A.
OI Owens-Illinois Glass Co.
U 2,812,691 November 12, 1957 Skylights
Skylight utilizing glass block
BOYD, Robert A.
OI Owens-Illinois Glass Co.
U 2,812,690 November 12, 1957 Skylights
Skylight utilizing glass block
BOYD, Robert A.
OI Owens-Illinois Glass Co.
U 2,811,815 November 5, 1957 Continuous Glass Molding Machine
Insulator press
ELDRED, John W.
Press  
U 2,776,332 January 1, 1957 Self-Cleaning Outdoor High Tension Insulators
Spiral or helical side petticoats that are washed by rain
VON CRON, Hans
Spiral Siemens-Schuckertwerke Aktiengesellschaft
 1956
U 2,768,556 October 30, 1956 Control of Daylighting
Window design uitilizing glass blocks
BOYD, Robert A.
OI Owens-Illinois Glass Co.
U 2,757,224 July 31, 1956 Transposition Bracket
Transposition bracket
MILNE, Winford G.
RIDGERS, Frederick G.
Transposition N. Slater Co., LTD
U Specimen known 2,756,958 July 31, 1956 Insulator Mounting Clip
Mounting clip for an electric fence insulator (see patent 2,609,418)
BINNS, Jack N.
DUGLE, Thomas E.
ALT, Alvin F.
Electric Fence Planet Products Corp.
U 2,747,010 May 22, 1956 Transposition Bracket
Transposition bracket
MILNE, Winford G.
RIDGERS, Frederick G.
Transposition N. Slater Co., LTD
U 2,740,827 April 3, 1956 Insulator Bracket
Wireholder bracket for secondary rack insulators that also functions to aid in stringing the wire without damage to the bracket.
SMALLEY, Burton M.
Wireholder/bracket/rack Spool Joslyn Mfg. & Supply Co.
U 2,738,838 March 20, 1956 Glass Block Ventiliating Device
Operable glass block vent
SUTTER, John H.
OI Owens-Illinois Glass Co.
U Specimen known 2,734,098 February 7, 1956 Transposition Insulators
CD 203.2 transposition - rainshed of elastic material between conductors
BONNESEN, Elmer J.
Insulator American Telephone & Telegraph Co.
 1955
U 2,717,274 September 6, 1955 Transposition Bracket
Transposition bracket
CASE, Rogers
Transposition Transadean Associates, Inc.
U 2,712,567 July 5, 1955 Electric Fence Insulator
Electric fence insulator with bottom groove to fit around the iron post, bolt to secure to the iron post, and side groove to clip and secure the conductor wire.
CALTRIDER, Samuel P.
Electric Fence  
U 2,710,492 June 14, 1955 Apparatus for Forming Cavities in the Wall of a Socket of a Pin-Type Glass Insulator
Insulator press
WILCOCK, John Edward
Press Pilkington Brothers Ltd.
U 2,709,058 May 24, 1955 Insulator Support Rack
Secondary rack bracket with side tabs to receive screws or bolts.
VOSE, Fred C.
BURNIE, Glen
RUTH, Bernard W.
Bracket/secondary Rack General Electric Co.
U 2,703,820 March 8, 1955 Insulator Assembly
Odd pintype insulator with teepee top that screws down to hold a pair of wires
LAYMAN, Robert E.
Miscellaneous  
U 2,699,628 January 18, 1955 Caster Cup
Molded top supporting plate supported by resilent material
AUER, Betty
Piano  
 1954
U 2,693,667 November 9, 1954 Method of Blowing Glass Bottles
Method to blow 5 gallon and larger glass bottles
MCLAUGHLIN, William
McLaughlin  
U Specimen known 2,688,654 September 7, 1954 Insulator for Fence Posts
Knob for electric fence.
BUSSMANN, JR., Aloysius B.
Knob  
U 2,684,228 July 20, 1954 Electric Line Stringing Device
Metal shaped like an open circle mounted temporarily on a corner pin to allow easy stringing of the line without possible injury to linemen.
DION, Francois Emile
Miscellaneous  
U 2,680,332 June 8, 1954 Welding Glass Parts
Method of welding glass block and TV Tube halves together
YOUNG, Norton S.
OI Owens-Illinois Glass Co.
U 2,667,530 January 26, 1954 Lead-in Wire Anchoring Fixture
Bracket attached to a building to support three lead in wires and allow the drop wires to enter the building through a weatherhead.
TRUNNELL, Harold K.
Bracket  
 1953
U 2,659,406 November 17, 1953 Apparatus for Forming and Assembling Electrical Terminals
Machine to form terminals for televisions
LOCKE, Louis Peer
Television  
U Specimen known 2,655,553 October 13, 1953 Line Transposition Bracket with Reinforcing Gussets
Transposition bracket (see 2,455,228)
CASE, Rogers
Transposition  
U 2,650,263 August 25, 1953 Bracket Construction
Wireholder bracket for secondary rack insulators that also functions to aid in stringing the wire without damage to the bracket.
STEINMAYER, Alwin G.
Wireholder/bracket/rack Spool McGraw Electric Co.
U 2,646,788 July 28, 1953 Rotary Gas Burner
Burner for gas stove that rotates to improve heat generation
LOCKE, Louis P.
Burner  
U 2,644,026 June 30, 1953 Radioactive Lightning Protector with Accelerating Elements
Lightning rod with porcelain disk coated with radioactive material
GRENIER, Joseph Pierre
LESCIEUX, Pierre Edouard Eugene
Lightning Rod Ste. Helita
U 2,634,313 April 7, 1953 Line Wire Transposition Bracket
Transposition bracket pressed out of a square of steel to hold four insulators
RIDGERS, Frederick G.
Transposition N. Slater Co. LTD
U 2,625,581 January 13, 1953 Guy Insulator
Heavy duty guy strain insulator
JENNER, Ralph L.
FIERO, Carl D.
Strain Lapp Insulator Co., Inc.
 1952
U 2,623,094 December 23, 1952 Resiliently Mounted Spool Type Insulator
Rubber bushing for mounting Case type & rack type spool insulators
MARKLEY, William F.
Rubber Western Union Telegraph Co.
U 2,610,390 September 16, 1952 Method of Making Electrical Terminals
Method of making terminals for manufacture of televisions
LOCKE, Louis P.
Television  
U Specimen known 2,609,418 September 2, 1952 Adjustably Mounted Insulator Assembly
Electric fence insulator with hexagon head used with metal mounting bracket (see patent 2,756,958)
BINNS, Jack N.
DUGLE, Thomas E.
ALT, Alvin F.
Electric Fence  
U 2,602,270 July 8, 1952 Apparatus for Forming Undercut Sockets in a Material in a Hot Plastic State
Insulator press
WILCOCK, John Edward
BAILLIE, Granville Hugh
Press Pilkington Brothers Ltd.
U 2,602,269 July 8, 1952 Apparatus for Forming Undercut Sockets in a Material in a Hot Plastic State
Insulator press
WILCOCK, John Edward
Press Pilkington Brothers Ltd.
U 2,596,694 May 13, 1952 Glass Welding Method
Method of welding glass block and TV Tube halves together
KEGG, Robert R.
OI Owens-Illinois Glass Co.
U 2,596,341 May 13, 1952 Burner Block and Burner
Glass furnace burner and refractory burner block
MCCREERY, Cecil W.
HATFIELD, Milton W.
OI Owens-Illinois Glass Co.
U 2,592,698 April 15, 1952 Insulator Supporting Pin and Cob
Steel pin with threaded cob made of cellulose acetate butyrate molded into threads (see reissue 23,885 on 10-5-1954)
HUBBARD, David C.
Pin A. B. Chance Co.
U 2,592,031 April 8, 1952 Supporting Structure for Insulators
Pin and bracket made in one piece for easy attachment to crossarm
HARDING, Donald D.
Bracket/pin  
U 2,592,030 April 8, 1952 Electric Wire Insulator Support
Pin and bracket to fit over the top and sides of the crossarm
HARDING, Donald D.
Bracket/pin  
U 2,585,249 February 12, 1952 Clip for Holding Electrical Conducting Wires to Insulating Supports
Tie wire replacement made from preformed spring metal clip
JOHNSON, Lawrence
Tie Wire  
U 2,582,922 January 15, 1952 Apparatus for Molding Articles
Press that can be adapted for insulator manufacture
CROWLEY, Henry L.
HOSSENLOPP, Arthur M.
Press Henry L. Crowley & Co., Inc.
U 2,582,442 January 15, 1952 Power Wrench Mechanism for Ceramic Filter Presses
A motorized wrench to tighten the screw on the leaves of a clay filter press that can be moved from one press to the other.
LAPP, Grover W.
Filter Press Lapp Insulator Co., Inc.
 1951
U 2,576,723 November 27, 1951 Electric Insulator Having Potential Drop Controlling Means
RFI design using two conductive coatings of different temperature expansion
PERRINS, George
RFI Bullers Limited
U 2,571,495 October 16, 1951 Adjustable Insulator Bracket
Wireholder bracket for secondary rack insulators that also functions to aid in stringing the wire without damage to the bracket.
STEINMAYER, Alwin G.
Wireholder/bracket/rack Spool McGraw Electric Co.
U 2,564,340 August 14, 1951 Clamp for Electrical Conductors
Metal clamp to secure the conductor to the bottom of the string of suspension insulators
OSBORNE, David H.
Suspension Porcelain Insulator Co.
U 2,562,292 July 31, 1951 Glass composition for electrical bulbs (TV tubes?)
Glass Composition
BLACK, Harold R.
GAGIN, Lawrence V.
OI Owens-Illinois Glass Co.
U Specimen known 2,553,747 May 22, 1951 Method and Means for Transposing Open-Wire Lines
Method of transposing wires
CARR, James A.
Transposition Bell Telephone Laboratories, Inc.
U 2,552,522 May 15, 1951 Device for Inspecting Transparent Threaded Glass Articles Such as Insulators
Insulator inspection device for dark amber insulators
COUNSELLOR, JR., Edward D.
Manufacturing Armstrong Cork Co.
U Specimen known 2,540,608 February 6, 1951 Strain Insulator
U-shaped strain used to support the conductor from a fence post.
BUSSMANN, Aloysius B.
Strain  
 1950
U 2,533,621 December 12, 1950 Electric Insulator
Spool type electric fence insulator with ribs and flat area for metal bracket to attach.
PRATT, Elbert H.
CHRISTIE, Ralph C.
Electric Fence  
U 2,532,478 December 5, 1950 Building Block
Multiple celled glass block
BRIDGES, Donald A.
OI Owens-Illinois Glass Co.
U 2,526,917 October 24, 1950 Line Wire Spacer
Line wire spacer bracket for carrier circuits
WHEELER, Herbert H.
MARKLEY, William F.
Spacer Western Union Telegraph Co.
U 2,519,694 August 22, 1950 Insulator Supporting Bracket
Bracket for wireholders or rack spools that allow the spool insulator to swivel out away from the bracket for easily working on the line wire and insulator (see 2,302,883)
OLIVIER, Leon J.
Bracket  
U Specimen known 2,517,221 August 1, 1950 Secondary and Service Rack Insulator
Knob - specimens exist called ""pencil holder""
LOUX, Raymond A.
Knob  
U 2,514,141 July 4, 1950 Polyester Resin Adhesive Compositions
Cement composed of polyester resin and sand for attaching metal parts to suspension and other insulators
PHILLIPS, Dorothea S.
Cement American Cyanamid Co.
U 2,513,958 July 4, 1950 Electric Insulating Bushing and Glass Therefore
Glass capacitor bushing and improved seal with metal parts
OMLEY, Herbert A.
Bushing General Electric Co.
U 2,510,182 June 6, 1950 Wire Support
Guy strain with preformed attachment and line wire is brought in through the center and secured by wrapping around the external grooved ribs.
KLINGEL, Edward L.
Strain  
U 2,500,928 March 21, 1950 Insulator Support
Pin that is light-weight composed of magnesium and aluminum with split end
CASE, Rogers
Pin Transadean Associates, Inc.
U 2,500,927 March 21, 1950 Insulator Pin
Pin that is light-weight composed of magnesium and aluminum
CASE, Rogers
Pin Transadean Associates, Inc.
 1949
U 2,481,729 September 13, 1949 Porcelain Insulator Body
Porcelain clay body with an increased firing range
DEWEY, Benjamin F.
Porcelain Lapp Insulator Co., Inc.
U 2,479,861 August 23, 1949 Land Mine
Land Mine made of glass or ceramic
PASS, Richard H.
OU Onondaga Pottery Co.
U 2,475,230 July 5, 1949 Conductor Support
Clamp-top design to secure conductor on top of the insulator
FREY, Howard Albert
MCCOY, Robert Leslie
Clamp-top Locke, Inc.
U 2,468,907 May 3, 1949 Electric Fence Post
Electric fence composed of a rod and an easily adjustable insulator to hold the conductor
WILSON, Robert M.
PHILLIPS, Goddie F.
Fence  
U 2,468,663 April 26, 1949 Article Illuminating Inspection Device For Amber Glass Insulators and Other Hollow Dense Walled Articles of Low Transparency
Insulator inspection device for dark amber insulators
GREEN, Thomas D.
Manufacturing Hartford-Empire Co.
U Specimen known 2,466,083 April 5, 1949 Wire Holding Device
Metal strip with alternating slots or ribs to allow the insulated wire to be wrapped in and out of the slots or ribs to securely hold the wire without damaging the insulation covering. One end of the metal strip is fixed to allow it to hang at various ang
CROSBY, Noble Wellington
Wire Holder Crosby Brothers Manufacturing Co.
 1948
U Specimen known 2,455,229 November 30, 1948 Transposition Bracket
Transposition bracket for fixed mounting on support
CASE, Rogers
Transposition Transadean Associates, Inc.
U Specimen known 2,455,228 November 30, 1948 Transposition Bracket
Transposition 4-spool bracket (see 2,455,229 and 2,655,553)
CASE, Rogers
Transposition Transadean Associates, Inc.
U 2,455,227 November 30, 1948 Wire Transposing Device
Transposition midspan bracket, 2 rotatable CD 1049 spools
CASE, Rogers
Transposition Transadean Associates, Inc.
U 2,454,677 November 23, 1948 Secondary Rack
Strong secondary rack bracket that is shorter yet easily bolted in place.
SMALLEY, Burt M.
Bracket/secondary Rack Joslyn Mfg and Supply Co.
U 2,454,348 November 23, 1948 Latch for Electric Fence Gates
Latch for electric fence using Surge insulators (see 2,350,420) (see design 126,721) (see design 126,722) (see 2,454,348) [see picture 170540955]
SCHILLING, Lorell John
Electric Fence Babson Brothers Co.
U 2,450,730 October 5, 1948 Post and Insulator for Electric Fences
Electric fence composed of a rod and adjustable insulator to hold the conductor
HORD, Guy
Electric Fence  
U Specimen known 2,444,938 July 13, 1948 Insulator
Radio antennae insulator with center hole for nail and side slits to hold the antennae wire
MARTIN, JR., Albert D.
Radio  
U 2,443,436 June 15, 1948 Insulator
Suspension with moisture resistant cushion at bottom of cap and pin
TAYLOR, John J.
Suspension The Ohio Brass Co.
U 2,443,435 June 15, 1948 Insulator
Suspension, pin design to prevent expansion stress from corrosion
TAYLOR, John J.
Suspension The Ohio Brass Co.
U 2,442,165 May 25, 1948 Insulator
Odd under crossarm insulator with diagonal slot to insert wire into center slot and means to nail the insulator to the crossarm
GEROW, Kenneth Norris
Miscellaneous  
U Specimen known 2,437,593 March 9, 1948 Reinforced Wire-Contacting Insulator Assembly
Transposition bracket using spool insulators
CASE, Rogers
Transposition  
U 2,437,559 March 9, 1948 Insulator and Method of Manufacturing Same
Addition of powdered aluminum to improve quality of porcelain
ROWLAND, Davidge H.
Manufacturing The Porcelain Insulator Corp.
U 2,436,789 March 2, 1948 Wire Transposing Device
Transposition bracket using spools for carrier telephone circuits
CASE, Rogers
Transposition  
U 2,434,391 January 13, 1948 Fence Knob
Bracket for electric fence insulator that is strong and easily attached to wooden post without damaging the post. Bracket has two spikes that secure it to the post.
BUSSMANN, Aloysius B.
Fence  
 1947
U 2,426,466 August 26, 1947 Insulator for Electrical Wire Conductors
Cleat with V-groove to hold line wire between the two halves
MINARIK, Rudolph A.
Cleat 1/2 to Ralph E. Meech
U 2,425,270 August 5, 1947 Method and Apparatus for Forming Blanks for Post and Pedestal Insulators
Manufacturing method to produce blanks for post and pedestal insulators
SKIPPER, Edward M.
Manufacturing Locke Insulator Corp.
U 2,422,537 June 17, 1947 Machine for Coating Insulators
Machine for applying RFI coating to insulators (see 2,333,557)
FISCHER, Eugene H.
Manufacturing Westinghouse Electric Corp.
U 2,421,286 May 27, 1947 Insulator Tie for Line Conductors
Preformed hard drawn wire helix to act as line wire reinforcement and tie wire
PYLE, Ralph D.
Tie Wire Copperweld Steel Co.
U 2,418,713 April 8, 1947 Thermally Toughened Insulator
CD 228.5: tempering the surface of glass insulators for added strength
HOLMES, Minot K.
PLUMMER, Jesse H.
Insulator Owens-Illinois Glass Co.
U 2,415,462 February 11, 1947 Ceramic Molding Press
Vacuum molding of clay articles such as insulators. This may be the patent used by Locke to make their ""vacuum dry pressing"" porcelain insulators.
CHERRY, George L.
VEALE, Charles C.
Press Western Electric Co.
 1946
U 2,411,007 November 12, 1946 Means for Fastening Conductors to Insulators
Tie wire made from hard metal wire that fits in the top conductor groove with line wire wrapped around the ends
SHAW, Douglas Thomas
Tie Wire  
U 2,409,491 October 15, 1946 Adjustable Fastener for Electric Fence Insulators
Electric fence and post with easily adjustable insulator to hold the conductor
JOHNSON, Harry C.
Fence  
U 2,406,663 August 27, 1946 Wire Transposing Device
Transposition bracket using spools for carrier telephone circuits
CASE, Rogers
Transposition  
U 2,406,095 August 20, 1946 Insulator
Dry-spot
MATHEWS, Martin D.
Dry-spot  
U 2,402,387 June 18, 1946 Glass Block Dehydrating Mechanism
Machine for dehydrating glass block halves
FERGUSON, John E.
MCCREERY, Cecil W.
OI Owens-Illinois Glass Co.
U 2,396,895 March 19, 1946 Conductor Grip for Insulators
Tie wire replacement for Hi-Top styles using a preformed sheet metal strap and ears that fold over the line wire
SINES, Harold S.
Tie Wire  
U 2,395,295 February 19, 1946 Method of Producing Insulators
Improved method of jiggering and plunging
ROWLAND, Davidge H.
Manufacturing  
U 2,394,575 February 12, 1946 Transposition Bracket
Transposition bracket holding one insulator above the crossarm and one below
WHEELER, Herbert H.
Transposition Western Union Telegraph Co.
U 2,393,549 January 22, 1946 Press Molding Machine
Press for glass land mine production
MCCREERY, Cecil Wayne
OI Owens-Illinois Glass Co.
U 2,392,342 January 8, 1946 Combined Spark Gap and Insulator
CD 186, CD 186.1, CD 186.2; Transparent glass insulator with spark gap within the insulator for signal circuits
STEINMAYER, Alwin G.
Spark Gap Line Material Co.
 1945
U 2,389,386 November 20, 1945 Glazed Ceramic
Compression glaze
RUSSELL, JR., Ralston
Glaze Westinghouse Electric Corp.
U 2,386,129 October 2, 1945 Self-Attaching Wire Holder
Self-tying wireholder mounted on metal bracket
MAACK, Walter Henry
Wireholder/self-typing  
U 2,383,556 August 28, 1945 Mold Lock
Mold lock for glass block molds
LOUDEN, Harry M.
MCCREERY, Cecil W.
OI Owens-Illinois Glass Co.
U 2,383,090 August 21, 1945 Electric Insulator
Suspension insulator with improved cementing methods
TOROK, Julius J.
Suspension Corning Glass Works
U 2,381,676 August 7, 1945 Insulator
Dry-spot with screw top
MATHEWS, Martin D.
Dry-spot  
U 2,372,995 April 3, 1945 Tap-Isolating Conductor Support
miscellaneous
WHITMORE, Paul G.
Miscellaneous  
 1944
U 2,362,433 November 7, 1944 Nozzle
Nozzle for glass block dehydrating mechanism
FERGUSON, John E.
MCCREERY, Cecil W.
OI Owens-Illinois Glass Co.
U 2,361,240 October 24, 1944 Electrical Apparatus
Fuse cut-out made with wet process porcelain.
RAWLINS, Herbert L.
FISCHER, Eugene F.
Cut-out Westinghouse Electric & Mfg. Co.
U 2,361,109 October 24, 1944 Insulating Protector for Conducting Wires
Tree insulator to protect the wire
KENNEALLY, Martin M.
Tree The Porcelain Insulator Corp.
U 2,357,550 September 5, 1944 Insulator
RFI coating applied before firing the insulator
ROWLAND, Davidge H.
RFI Locke Insulator Corp.
U 2,356,750 August 29, 1944 Wire Transposing Device
Transposition bracket using spools for carrier telephone circuits
CASE, Rogers
Transposition  
U 2,355,684 August 15, 1944 Insulator Cutting Machine
Machine to automatically trim the profile in insulators in an assembly line process
SKIPPER, Edward M.
Machine Locke Insulator Corp.
U 2,352,756 July 4, 1944 Ash Tray
Ash tray
ANHOLT, Harry M.
"HU, OU"  
U 2,352,151 June 20, 1944 Insulator
CD 1030; Wireholder made of glass with detachable, interchangeable mounting pins
HOLMES, Minot K.
Wireholder Owens-Illinois Glass Co.
U Specimen known 2,350,420 June 6, 1944 Insulator Mounting
Surge porcelain electric fence insulator with drip points and special mounting bracket (see design 126,721) (see design 126,722) [see picture 170540955] (see 2,311,779) (see 2,454,348)
SCHILLING, Lorell J.
Electric Fence Babson Bros. Co.
U 2,349,739 May 23, 1944 Pressure Sustaining Apparatus
Machine for pressing glass block halves together
LOUDEN, Harry M.
MCCREERY, Cecil W.
OI Owens-Illinois Glass Co.
U 2,346,620 April 11, 1944 Method of Forming Insulator Bodies
Method to mix water with dry ingredients to form clay of the proper water content
SKIPPER, Edward M.
Clay Locke Insulator Corp.
U 2,345,404 March 28, 1944 Reinforced Insulator Pin
Steel pin with sheet metal reinforcing down to crossarm to provide bracing against horizontal strain
MACK, Edward A.
Pin Oliver Iron & Steel Corp.
U 2,343,576 March 7, 1944 Support for Electric Conductors
Knob
PITTMAN, Ralph R.
Knob  
U 2,342,307 February 22, 1944 Spraying Machine
Machine for spraying on RFI coatings
SMITH, William A.
RFI The Ohio Brass Co.
U 2,341,309 February 8, 1944 Cutting Tool
Cutting tool to remove clay from inside a bushing
BETTINI, David Joseph
Cutting Tool Locke Insulator Corp.
 1943
U 2,337,691 December 28, 1943 Method of Making High Strength Ceramic Surfaces
Method of manufacturing insulators using porcelain ""sand"" with a lower coefficient of expansion than the insulator body to rough up the surface and provide a strong cement joint without reducing the effectiveness of the compression glaze (see 2,327,972)
STETTINIUS, Kenneth E.
DEWEY, Benjamin F.
Manufacturing Lapp Insulator Co., Inc.
U 2,336,874 December 14, 1943 Method of and Apparatus for Producing Hollow Glass Blocks
Machine for dehydrating glass block halves
LOUDEN, Harry M.
MCCREERY, Cecil W.
OI Owens-Illinois Glass Co.
U Specimen known 2,336,864 December 14, 1943 Apparatus For Forming Insulators
CD 1030: Wireholder made of glass, press for making the design
HOLMES, Minot K.
Insulator Owens-Illinois Glass Co.
U 2,336,324 December 7, 1943 Strain Insulator
A rod of wood as a guy strain insulator for transmission poles
WARREN, Pickett L.
Strain Royal Electric Mfg. Co.
U 2,333,557 November 2, 1943 Coating of Insulators
Machine for applying a RFI coating on insulators (see 1,973,076) (see 1,997,686) (see 1,997,688) (see 2,422,537)
FISCHER, Eugene H.
RFI Westinghouse Electric & Mfg. Co.
U 2,331,053 October 5, 1943 Insulator Plunger Support
Insulator press
SHILLINGER, Clare B.
Press Owens-Illinois Glass Co.
U 2,331,041 October 5, 1943 Method of Surface Treating Glass Containers
Treatment of interior surfaces of glass block
NOBLE, Burton A.
OI Owens-Illinois Glass Co.
U 2,329,114 September 7, 1943 Coating Ceramic Articles
Glazing a porcelain insulator by spraying a uniform coating on the surface
FISCHER, Eugene H.
Manufacturing Westinghouse Electric & Mfg. Co.
U 2,327,972 August 24, 1943 High Strength Ceramic Surface
Manufacturing method of using porcelain ""sand"" with a lower coefficient of expansion than the insulator body to rough up the surface and provide a strong cement joint without reducing the effectiveness of the compression glaze (see 2,337,691)
STETTINIUS, Kenneth E.
DEWEY, Benjamin F.
Manufacturing Lapp Insulator Co., Inc.
U 2,323,967 July 13, 1943 Thimble Equipped Insulator
Malleable metal thimble cemented in the pinhole with a flange to cover the cement
BARNITZ, Richard W.
Thimble Porcelain Products, Inc.
U 2,319,621 May 18, 1943 Cover for Glass Fixture Holders
Cover for electric light fixtures
MCLAUGHLIN, William
McLaughlin  
U 2,318,362 May 4, 1943 Wall Construction
Glass Block wall construction without mortar
BOEGLEN, Durwood L.
LOCKART, Edward P.
OI Owens-Illinois Glass Co.
U 2,317,799 April 27, 1943 Line Insulator
Insulator composed of a metallic hollow shell coated with ceramic material
PERLES, Maurice
Insulator Mycalex Corp. of America
U Specimen known 2,311,779 February 23, 1943 Insulating Apparatus For Electric Fences
Knob for fence post (porcelain SURGE insulator) (see 2,350,420) (see design 126,721) (see design 126,722) (see 2,454,348) [see picture 170540955]
SCHILLING, Lorell John
Electric Fence Babson Brothers Co.
U Specimen known 2,309,971 February 2, 1943 Drop Wire Support
Drop wire supporting clip
MCLARN, Ernest S.
Drop Wire Support International Standard Electric Corp.
U Specimen known 2,307,277 January 5, 1943 Wire Support
Knob - self-tying
KLINGEL, Edward L.
Knob  
 1942
U Specimen known 2,305,688 December 22, 1942 Transposition Block
Transposition block (flat) for short wave radio antenna
GODDARD, DeWitt Rugg
Transposition Radio Corporation of America
U 2,305,069 December 15, 1942 Means of Attaching Service Wires
Circular bracket that fits under an insulator or rack spool with holes to allow easy dropping of wires connected to the line
EMGE, Paul W.
Bracket  
U 2,304,736 December 8, 1942 Mold Lock
Mold lock for glass block molds
LOUDEN, Harry M.
MCCREERY, Cecil W.
OI Owens-Illinois Glass Co.
U Specimen known 2,304,483 December 8, 1942 Electrical Insulator
Rubber pin type insulator
SMITH, Donald H.
WHEELER, Herbert H.
Rubber Western Union Telegraph Co.
U 2,304,204 December 8, 1942 Electrical Insulator
Rubber insulator for wire fence
RATZMAN, Borah B.
Rubber  
U 2,302,883 November 24, 1942 Method of Stringing and Sagging Wires and Apparatus for Use Therein
Bracket for wireholders or rack spools that allow the spool insulator to swivel out away from the bracket for easily working on the line wire and insulator (see 2,519,694)
OLIVIER, Leon J.
Bracket  
U 2,301,939 November 17, 1942 Production of Ceramic Bodies
Press to make a very dense porcelain body. It is neither wet process nor dry process porcelain.
FISCHER, Eugene H.
Press Westinghouse Electric & Mfg. Co.
U 2,301,266 November 10, 1942 Method and Means for Transposing Electrical Conductors
Tensioning device before and after transposition brackets for carrier circuits
FOX, Arthur L.
Transposition Bell Telephone Laboratories, Inc.
U 2,300,674 November 3, 1942 Secondary Rack
Bracket for wireholders or rack spools. Each insulator bracket is easily connected or attached to the supporting bracket.
JOHNS, George McDonald
RICHARD, Thomas T.
Bracket/wireholder Smith-Johns Inc.
U Specimen known 2,299,960 October 27, 1942 Bracket and Method of Transposing Wires
Transposition bracket
BREWSTER, Truman P.
MCKAHAN, Alexander C.
Transposition  
U 2,297,646 September 29, 1942 Pug Mill
Pug mill design to prevent stresses and strains in the clay as it is extruded
BELLEZZA, Russell G.
SKIPPER, Edward M.
Pug Mill Locke Insulator Corp.
U 2,297,600 September 29, 1942 Insulator Support
Steel pin for carrier circuits with threads coated with rubber
WILLIAMS, Richard H.
Pin The B. F. Goodrich Co.
U Specimen known 2,297,430 September 29, 1942 Antenna Insulator
Compression antenna insulator for very heavy loads (see 2,270,964)
PETERS, Wilhelm
Antenna  
U 2,296,679 September 22, 1942 Service Drop Insulator
Service drop bracket and insulator to tie-off multiple service lines from one main conductor
MACK, Edward A.
Service Drop Line Material Co.
U 2,292,948 August 11, 1942 Insulator and the Like
Wireholder with slot for attaching lag screw
KENDALL, Earl H.
Wireholder  
U 2,292,248 August 4, 1942 Bushing
Bushing composed of several parts with open chambers
STEVENS, Leland J.
Bushing Locke Insulator Corp.
U 2,290,138 July 14, 1942 Mechanism for Handling Wire Mesh
Machine for handling wire mesh for glass blocks
BRIDGES, Donald A.
OI Owens-Illinois Glass Co.
U 2,290,073 July 14, 1942 Method of Assembling Insulators
Method of using a metal alloy to cement the cap and pin on a glass suspension disk
SAID, William Howard
Suspension Corning Glass Works
U Specimen known 2,287,976 June 30, 1942 Insulator
Glaze - compression glaze & sand joint
CROSKEY, Carl D.
ROWLAND, Davidge H.
Glaze Locke Insulator Corp.
U 2,287,895 June 30, 1942 Secondary Rack Construction
Secondary wireholder for rack spools to be mounted on the end of a crossarm
MACKINNON, Russell H.
Wireholder 1/2 to Eugene C. Black
U 2,286,496 June 16, 1942 Wire Holder
Wireholder with lag screw
MEYER, Edwin M.
Wireholder Porcelain Products, Inc.
U Specimen known 2,286,488 June 16, 1942 Spool Insulator
Spool insulator with deep side groove
JOHNSON, Lewis E.
Spool Porcelain Products, Inc.
U 2,283,685 May 19, 1942 High Resistance Conducting Coating for Electric Insulators
RFI coating to prevent radio interference
MCCREERY, George L.
CAMPBELL, Van E.
RFI The Ohio Brass Co.
U 2,283,663 May 19, 1942 Connector
Metal connector to replace the tie wire to hold the conductor on the insulator
BUGG, Kenly C.
Tie Wire  
U 2,281,173 April 28, 1942 Insulator and Method of Producing Conducting Coating Thereon
RFI prevention using an inexpensive glaze coating
SANTOMIERI, Sebastian L.
RFI Victor Insulators, Inc.
U 2,278,330 March 31, 1942 Multipost Line Insulator
Two post insulators joined together with elongated metal bottom cap
MEYER, Edwin M.
Insulator Porcelain Products, Inc.
U 2,275,208 March 3, 1942 Electrical Insulator
Method of applying RFI coating to suspension disk (see 1,661,823) (see 1,735,829) (see 2,154,387)
TAYLOR, John J.
RFI/suspension The Ohio Brass Co.
U 2,274,955 March 3, 1942 High Tension Electric Insulator and Method of Coating Same
RFI: antimony coated top
DYKSTRA, Laurence J.
MEYER, Edwin M.
RFI Victor Insulators, Inc.
U 2,270,964 January 27, 1942 Insulator for Antenna Span or Guy Ropes
Compression antenna insulator for very heavy loads (see 2,297,430)
PETERS, Wilhelm
Strain Telefunken Geselleschaft fur Drahtlose Telegraphie m. b. H.
U 2,269,409 January 6, 1942 Wire Holder
Wireholder with lag screw
MCCHESNEY, JR., Samuel Waldrop
Wireholder Porcelain Products, Inc.
 1941
U 2,267,202 December 23, 1941 Fuse Box Construction
Improved design of fuse holder box made of glass
HOLMES, Minot K.
MCMAHON, George F.
RAMSEY, Allan
Fuse Holder Schweitzer & Conrad, Inc.
U Specimen known 2,266,400 December 16, 1941 Insulator
CD 216
REED, Frederick F.
Insulator  
U Specimen known 2,266,340 December 16, 1941 Insulator
Self-tying twist lock type
SINDLINGER, Nevin Y.
Self-tying Twist  
U 2,264,428 December 2, 1941 Article of Ceramic of Vitreous Material
Manufacturing method to improve quality of porcelain during firing
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 2,264,152 November 25, 1941 Method of Forming a Metallic Surface on Ceramic Bodies
RFI metallic coating that strongly adheres to the insulator
ROWLAND, Davidge H.
RFI Locke Insulator Corp.
U 2,263,728 November 25, 1941 Combined Line Wire Tie and Reinforcement
Combination tie-wire and line tie
GORDON, Chester S.
KLEINFELDER, Walter C.
Tie Wire Bell Telephone Laboratories, Inc.
U 2,261,583 November 4, 1941 Method of Making Hollow Forms
Method of casting hollow forms
HEMPHILL, James R.
Manufacturing The Colonial Insulator Co.
U 2,260,917 October 28, 1941 Insulator Pin
Steel pin with flanges to fit in top and bottom of hole drilled for larger wooden pins
RUGGIERI, Michael
Pin Line Material Co.
U 2,259,728 October 21, 1941 Apparatus for Making Hollow Glass Building Blocks
Machine for making glass block
BRIDGES, Donald A.
OI Owens-Illinois Glass Co.
U 2,259,526 October 21, 1941 Insulator
Wireholder with lag screw (see reissue 22,269 on 4-11-1944)
LEMONT, Clarence J.
Wireholder Line Material Co.
U 2,257,675 September 30, 1941 Plunger Screw-Out Chuck
Insulator threading mandrel removal machine
EASTUS, Harold L.
Press; OI Owens-Illinois Glass Co.
U 2,254,227 September 2, 1941 Glass Tempering Method and Apparatus
Glass tempering of suspension insulators in a controlled manner
LEWIS, Evan J.
Glass Corning Glass Works
U 2,250,044 July 22, 1941 Insulator
Multipart insulator with glazed sanded surfaces to improve strength of cap
CROSKEY, Carl D.
ROWLAND, Davidge H.
Multipart Locke Insulator Corp.
U 2,248,044 July 8, 1941 Transposition Insulator
Transposition insulator with channels for two line wires to cross over within the insulator
DEHMEL, Richard C.
Transposition Bell Telephone Laboratories, Inc.
U Specimen known 2,246,807 June 24, 1941 Fuse Switch
Fuse holder and switch
MCCLUSKEY, Francis J.
GOLDNER, George W.
Fuse Holder James R. Kearney Corp.
U 2,244,291 June 3, 1941 Machine for Aligning Glass Block Sections and Pressing Them Together
Machine for aligning glass block halves
EASTUS, Harold L.
OI Owens-Illinois Glass Co.
U 2,241,212 May 6, 1941 Insulator Pin Reinforcing Bracket
Bracket attached to pin offers lateral support to prevent the bending of the pin
MACK, Edward A.
Bracket/pin Line Material Co.
U 2,239,809 April 29, 1941 Insulator
Suspension insulator and method of applying RFI coating
BURLESON, Wade H.
RFI The Ohio Brass Co.
U 2,238,198 April 15, 1941 Insulator Press
Insulator press with multiple molds for pressing glass insulators
WEBER, Walter C.
Press Corning Glass Works
U 2,237,717 April 8, 1941 Insulator Structure
Wireholder with multiple grooves and lag screw
STEWART, Lory B.
STEWART, Alvin J.
Wireholder 1/3 to Karl Thielscher
U 2,235,102 March 18, 1941 Insulator
Electric fence with bracket to attach an easily adjustable insulator to a T-post
FLEENER, Charles M.
Fence  
U 2,234,656 March 11, 1941 Insulator Tie for Electric Conductors
Preformed tie wire clips that fit around the insulator and clip on the line wire
SCHMALZ, James H.
Tie Wire Copperweld Steel Co.
U 2,234,391 March 11, 1941 Method of Manufacturing Electric Insulators
Method of making station post insulators with metal caps
TAYLOR, John J.
Insulator The Ohio Brass Co.
U 2,230,205 January 28, 1941 Process of Connecting a Metal Body to a Vitreous Ceramic Body
Metallic coating to facilitate soldering metal parts onto the insulator
ROWLAND, Davidge H.
CROSKEY, Carl D.
Miscellaneous Locke Insulator Corp.
U 2,228,804 January 14, 1941 Insulator Pin
Pin made of Bakelite and nailed underneath the crossarm
ADAMS, Basil R. S.
Pin  
U 2,228,613 January 14, 1941 Machine for Forming Glass Articles
Glass Block Pressing Machine
SOUBIER, Leonard D.
OI Owens-Illinois Glass Co.
U Specimen known 2,228,196 January 7, 1941 Insulator
Wireholder with lag screw
BOCH, Oscar A.
Wireholder  
 1940
U 2,224,853 December 17, 1940 Method of Manufacturing Ceramic of Vitreous Ware
Manufacturing method to improve quality of porcelain during firing
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 2,224,361 December 10, 1940 Insulator
Wireholder with lag screw
SEELYE, Howard P.
Wireholder  
U 2,222,810 November 26, 1940 Clamp for Connecting an Insulator to a Post
Electric fence with bracket to attach an easily adjustable insulator to a T-post
DAILY, Floyd H.
Fence  
U 2,219,727 October 29, 1940 Insulator Structure
Wireholder with multiple grooves and lag screw
STEWART, Lory B.
Wireholder 1/3 to Karl Thielscher
U Specimen known 2,218,497 October 15, 1940 Electrical Insulator
Rubber pin type insulator (see 2,304,483)
SMITH, Donald H.
WHEELER, Herbert H.
Rubber Western Union Telegraph Co.
U 2,218,004 October 15, 1940 Porcelain Insulator Screw Bracket
Wireholder with lag screw
LEMONT, Clarence J.
Wireholder Line Material Co.
U 2,215,984 September 24, 1940 Apparatus for Producing Hollow Glass Articles
Glass suction press for CD 128
SOUBIER, Leonard D.
Press Owens-Illinois Glass Co.
U 2,215,152 September 17, 1940 Insulator
Rubber insert
HOSFIELD, Glenn E.
Rubber  
U 2,213,425 September 3, 1940 Insulator Fastener
Knob and bracket pin
YOUNG, Harry M.
Knob Western Wire Products Co.
U 2,210,583 August 6, 1940 Mold
Glass block mold
HENRY, Kenneth M.
OI Owens-Illinois Glass Co.
U 2,209,006 July 23, 1940 Coating Apparatus
Machine to dip insulators in glaze.
SMITH, William A.
Manufacturing The Ohio Brass Co.
U 2,207,342 July 9, 1940 Glass Building Block Manufacture
Tool to align glass block halves
EASTUS, Harold L.
OI Owens-Illinois Glass Co.
U 2,202,538 May 28, 1940 Line Conductor Reinforcement and Tie
Tie wire or line reinforcement made of a stiff drawn wire preformed helix to fit around the diameter of the line wire without bending
SELQUIST, Rolf
Tie Wire Copperweld Steel Co.
U 2,201,049 May 14, 1940 Glass Fabrication Process and Mold
Glass bushing making process
MOORE, Roy W.
Manufacturing General Electric Co.
U 2,199,356 April 30, 1940 Glassware Forming Apparatus
Glass block press
BROWN, Alvin E.
OI Owens-Illinois Glass Co.
U 2,198,839 April 30, 1940 Conductor Support
Little bracket with insulator crown to hold low voltage wire attached to a wood pole (see 2,022,386)
PITTMAN, Ralph R.
WALSH, Carroll H.
Miscellaneous  
U 2,198,734 April 30, 1940 Insulator
Suspension disk with crown more tempered than skirt for strength
LITTLETON, Jesse T.
Suspension Corning Glass Works
U 2,198,578 April 30, 1940 Double Glazing
Double pane window glass with aluminum seal
HAZELTON, Benjamin F.
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
U 2,198,450 April 23, 1940 Light Transmitting Structure
Skylight construction using glass blocks
CHERTKOF, Jack O.
OU  
U 2,196,109 April 2, 1940 Hollow Glass Building Block
Blocks with wire glass
EASTUS, Harold L.
OI Owens-Illinois Glass Co.
U Specimen known 2,195,986 April 2, 1940 Transmission Line Transposition
Transposition block (flat) for short wave radio antenna made of Faradite
GODDARD, DeWitt Rugg
Transposition Radio Corporation of America
U Specimen known 2,194,189 March 19, 1940 Pole Line Insulator
CD 142, CD 142.4 - tin & iron for iridized coating to reduce water adherence
WHEELER, Herbert H.
MCGINNIS, Orris
THORDARSON, William
Insulator Western Union Telegraph Co.
U 2,191,171 February 20, 1940 Insulator
Wireholder with lag screw
LEE, Leffman H.
GUTHRIE, James M.
Wireholder Line Material Co.
U Specimen known 2,191,152 February 20, 1940 Electrical Insulator
CD 240.2 with metal saddle embedded in crown for RFI (see 2,089,791)
HAMMEL, Victor F.
Insulator  
U 2,191,143 February 20, 1940 Glass Handling Apparatus
Machine to pick up block halves while in plastic state
HIATT, Earl
MACKEN, John J.
OI Owens-Illinois Glass Co.
 1939
U 2,182,986 December 12, 1939 Method and Automatic Device for Sealing Glass Block Halves Together
Machine to seal glass block halves together
HOGE, John R.
SOUBIER, Leonard D.
MANKIN, Lawrence O.
OI Owens-Illinois Glass Co.
U 2,182,971 December 12, 1939 Skylight or Floorlight Construction
Skylight construction using glass blocks
RICHARDS, Joshua M.
OU  
U 2,181,810 November 28, 1939 Glass Block Trimmer
Trimmer to remove excess bonding agent from glass blocks
HAWK, Charles E.
OI Owens-Illinois Glass Co.
U Specimen known 2,174,723 October 3, 1939 Insulator
Wireholder with metal loop, base & lag screw
HOCHER, Andrew A.
Wireholder Hubbard & Co.
U Specimen known 2,173,510 September 19, 1939 Conducting Holder for Luminous Tube Terminals
Neon terminal holder
BELLOWS, Lewis F. R.
Neon  
U 2,173,292 September 19, 1939 Insulator
Suspension cap design to allow for expansion of the cap without breaking off the insulator head
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 2,172,810 September 12, 1939 Reinforcement for Transmission Lines and the Like
Preformed length of wire for specific line wire diameter to extend on either side of insulator to dampen out vibration in the line wire
SHERMAN, Delmar C.
Miscellaneous  
U 2,170,602 August 22, 1939 Method of Producing Glass Building Blocks
Bonding agent applied to mortar bearing block sides
BAUER, John E.
OI Owens-Illinois Glass Co.
U Specimen known 2,165,773 July 11, 1939 Insulator for Communication Systems
CD 142, CD 142.4 - glass insert screwed in skirt with metallic iridizing
WHEEER, Herbert H.
MCGINNIS, Orris
Insulator Western Union Telegraph Co.
U 2,164,093 June 27, 1939 Method of Joining Glass Block Sections
Automatic machine for joining glass blocks with aluminum
SOUBIER, Leonard D.
OI Owens-Illinois Glass Co.
U Specimen known 2,163,954 June 27, 1939 Electric Fence
Electric fence insulator with bail wire to hold the wire in place.
LUCAS, John A.
Electric Fence Prime Manufacturing Co.
U 2,162,288 June 13, 1939 Insulator
Suspension insulator with stepped rings to allow washing by rain and greater leakage length
TAYLOR, John J.
Suspension  
U Specimen known 2,157,100 May 9, 1939 Glazed Ceramic Insulator and the Like
Glaze - compression glaze
ROWLAND, Davidge H.
Glaze Locke Insulator Corp.
U 2,156,623 May 2, 1939 Glass Building Block
Block with dovetail masonry anchor receiver strips in glass
EASTUS, Harold L.
OI Owens-Illinois Glass Co.
U 2,155,848 April 25, 1939 Insulator
Helical suspension & helical post type
TAYLOR, John J.
Helical The Ohio Brass Co.
U 2,155,835 April 25, 1939 Ceramic Insulating Material
Improved ceramic composition using titanium oxide that will fire at typical kiln temperatures
MCCREERY, George L.
CAMPBELL, Van E.
HIGGINS, Ray
Ceramic Composition The Ohio Brass Co.
U 2,155,189 April 18, 1939 Electrical Wire Bracket
Wireholder with lag screw
HEINRICH, Walter A.
Wireholder James R. Kearney Corp.
U 2,154,387 April 11, 1939 Electric Insulator
RFI: coat crown with metallic glaze to prevent radio interference (advertised in Electrical World 8-12-1939)
SLEEMAN, Harold P.
RFI The R. Thomas & Sons Co.
U 2,150,995 March 21, 1939 Wire Bracket
Wireholder bracket with lag screw that allows bracket and insulator movement.
TALLMAN, Oscar F.
Bracket/wireholder James R. Kearney Corp.
U 2,149,246 February 28, 1939 Method of Manufacturing Hollow Glass Articles
Aluminum welding of blocks
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
U 2,146,597 February 7, 1939 Process of Treating Rubber
Rubber treating process
SCHWARTZ, Emil W.
CROASDALE, Evan T.
Rubber General Electric Co.
U 2,146,596 February 7, 1939 Rubber Insulating Compound and Method of Making the Same
Rubber compound for electrical conductors
SCHWARTZ, Emil W.
SAVAGE, Manuel H.
SPARGO, Francis C.
Rubber General Electric Co.
U 2,146,344 February 7, 1939 Electric Insulator
Suspension cementing technique to reduce damage from expansion
MEISSE, Louis A.
Suspension The Ohio Brass Co.
U 2,145,351 January 31, 1939 Hollow Glass Building Block
Blocks with recess for molten glass to bond two halves together
HAZELTON, Benjamin F.
OI Owens-Illinois Glass Co.
U 2,144,537 January 17, 1939 Insulator Construction
Metal end cap for post insulator
JENNER, Ralph L.
Post Type Lapp Insulator Co., Inc.
U 2,143,696 January 10, 1939 Apparatus for Assembling Hollow Building Blocks
Semi automatic method for assembling glass blocks
HOLMES, Minot K.
JONES, David
OI Owens-Illinois Glass Co.
U 2,142,422 January 3, 1939 Insulator and Method of Manufacturing the Same
Method of making station post insulators with hollow cavity and filling cavity with dry gas
TAYLOR, John J.
Insulator The Ohio Brass Co.
 1938
U 2,139,415 December 6, 1938 Strain or Suspension Clamp
A combined strain and suspension clamp
MCLACHLAN, Alexander
Suspension Jeffery Dewitt Insulator Co.
U 2,139,333 December 6, 1938 Sealed Screw Wire Holder
Wireholder with lag screw
PITTMAN, Ralph R.
WALSH, Carroll H.
Wireholder  
U 2,139,332 December 6, 1938 Wire Holder
Wireholder with lag screw
PITTMAN, Ralph R.
WALSH, Carroll H.
Wireholder  
U 2,138,571 November 29, 1938 Insulator
Transposition for telephone line
DEHMEL, Richard C.
Transposition Bell Telephone Laboratories, Inc.
U 2,135,558 November 8, 1938 Insulator Shield
Protective shield
BOTT, Perry J.
Protective Shield  
U 2,135,362 November 1, 1938 Insulator
Fog type suspension insulator
TAYLOR, John J.
Fog Type The Ohio Brass Co.
U 2,135,360 November 1, 1938 Conductor Support
Clamp type with metal cemented to crown for holding cable
TAYLOR, John J.
Clamp Type The Ohio Brass Co.
U 2,135,359 November 1, 1938 Suspension Insulator
Fog type suspension insulator
TAYLOR, John J.
BOVARD, Floyd D.
Fog Type The Ohio Brass Co.
U 2,135,344 November 1, 1938 Transposed Lead-In
Transposition for radio line
JOHNSTON, Fred E.
Transposition Crosley Radio Corp.
U 2,135,326 November 1, 1938 Method of Assembling Electric Insulators
Method of cementing metal cap on a suspension insulator to prevent excess cement at the joint and thus preventing electrical discharge from the excess cement
CALLAND, Otho G.
Suspension The Ohio Brass Co.
U Specimen known 2,133,768 October 18, 1938 Insulator
RFI: non-conducting iron iridized coating over tin iridized coating (see 2,118,795)
HOSTETTER, John C.
LITTLETON, Jesse T.
RFI Corning Glass Works
U 2,127,150 August 16, 1938 Method of Forming Hollow Glass Articles
Internal decorating of blocks prior to assembly
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
U 2,119,259 May 31, 1938 Method of Making Articles of Vitreous Materials
Glass Block Pressing Machine
SLAYTER, Games
OI Owens-Illinois Glass Co.
U Specimen known 2,118,795 May 24, 1938 Insulator
RFI: tin iridized coating to reduce water adherence, radio interference, and reflect sun
LITTLETON, Jesse T.
RFI Corning Glass Works
U 2,117,381 May 17, 1938 Insulator Cap
Tie wire replacement using a cap or collar that fits around the insulator to hold the line wire that can be installed from the ground
WARD, Leonard
Tie Wire  
U 2,115,513 April 26, 1938 Wall Construction
Blocks with sanded edges
BAUER, John E.
OI Owens-Illinois Glass Co.
U 2,114,732 April 19, 1938 Building Block
Blocks with corrugated edges
ANDEREGG, Frederick O.
OI Owens-Illinois Glass Co.
U 2,112,995 April 5, 1938 Neon Tube Support
Metal support for neon glass rams horn insulator with adjustable height to support neon tubes.
O'KEEFE, Cornelius P.
Neon 1/2 to Albert H. Forgar
U 2,112,370 March 29, 1938 Wire Spacing Bracket
Bracket attached to crossarms to provide proper space between carrier conductors
KLEIN, Charles H.
Bracket Bell Telephone Laboratories, Inc.
U 2,110,900 March 15, 1938 Building Block
Aluminum welding of blocks with aluminum foil
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
U 2,107,994 February 8, 1938 Hollow Glass Building Block
Blocks with colored sheets placed inside
HAZELTON, Benjamin F.
OI Owens-Illinois Glass Co.
U 2,106,667 January 25, 1938 Mounting of Electric Insulators
Use of an elastic ring around pin to absorb tension and strain to prevent breaking insulator
THIRY, Leon
Pin  
U 2,105,174 January 11, 1938 Method of Manufacturing Multipart Glass Articles
Aluminum welding of blocks
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
 1937
U 2,103,399 December 28, 1937 Insulator
Fog type suspension with top curved down over bottom petticoat that extends up inside the top part
WALKER, Robert H.
Fog The Ohio Brass Co.
U Specimen known 2,099,540 November 16, 1937 Insulator Shield
Metal skirt on CD 154
SMITH, Donald H.
Insulator Western Union Telegraph Co.
U 2,099,098 November 16, 1937 Bracket for Electrical Wires
Wireholder with lag screw
BINKLEY, William J.
Wireholder James R. Kearney Corp.
U 2,096,613 October 19, 1937 Multithread Pin Insulator Assembly
Pin with threaded malleable thimble that screws onto the steel pin allowing each adjustment of insulator with conductor
HILL, Gregory C.
Pin Locke Insulator Corp.
U Specimen known 2,094,287 September 28, 1937 Method of Manufacturing Multipart Glass Articles
Method to manufacture multiple glass objects (blocks, insulators, etc.)
ZIMMERMAN, Willard P.
HOLMES, Minot K.
Method Owens-Illinois Glass Co.
U 2,093,875 September 21, 1937 Strain Insulator
Strain insulator for radio antennas
STEVENS, Leland James
Strain Locke Insulator Corp.
U 2,093,872 September 21, 1937 Radio Antenna Insulator for Airplanes
Antenna insulator for airplanes
MCCOY, Robert L.
Antenna Locke Insulator Corp.
U 2,092,515 September 7, 1937 Insulator
Circular line spacer for telephone wires composed of a disk with holes for each wire
JERVEY, William T.
Spacer Bell Telephone Laboratories, Inc.
U Specimen known 2,089,791 August 10, 1937 Method of Making Electrical Insulators
CD 240.2, method of making insulator described in 2,191,152
HAMMEL, Victor F.
Insulator  
U Specimen known 2,088,433 July 27, 1937 Fog and Dust Insulator
U-816 series
PLIMPTON, Bentley A.
Insulator Locke Insulator Corp.
U Specimen known 2,084,866 June 22, 1937 High Voltage Insulator
U-796 styles and CD 221 Hi-Top design
PLIMPTON, Bentley A.
Insulator Locke Insulator Corp.
U 2,082,566 June 1, 1937 Connector
Steel connector for strain, suspensions, and other insulators
BERNDT, Arthur A.
Connector Electroline Corp.
U 2,082,507 June 1, 1937 Pole for Pin
Pole top pin with hook to support wire during stringing
PITTMAN, Ralph R.
Pin  
U 2,082,220 June 1, 1937 Insulator Supporting Pin
Pin with soft metal thimble threaded only at the bottom and ridge at the top to engage the threads
SEXTON, Frederick P.
Pin  
U 2,081,832 May 25, 1937 Insulator
Wireholder with hole and lag screw
MORGENSTERN, Joseph
BRASTY, Joseph
Wireholder  
U 2,081,508 May 25, 1937 Insulator Having High Surface Resistance and Method of Making It
RFI: carnival coating (stain) to increase surface resistance and for marker insulator
SHAVER, William W.
RFI Corning Glass Works
U 2,072,201 March 2, 1937 Insulator and Method of Making It
Suspension, glass, coat crown with graphite prevents cement adhesion
DIBBLE, Clarence H.
Suspension Corning Glass Works
U 2,068,941 January 26, 1937 Process and Apparatus for Manufacturing Insulators
Plunger to first form the pinhole in a porcelain insulator by first plunging a pinhole without threads then form the threads
BOVARD, Floyd G.
Press The Ohio Brass Co.
 1936
U 2,059,036 October 27, 1936 Clay Testing Apparatus
Machine to measure the hardness or plasticity of clay
ROWLAND, Davidge H.
Manufacturing Locke Insulator Corp.
U 2,056,813 October 6, 1936 Flux Distributing Insulator
Radio antenna strain insulator with metal ribs on the outside to control the electrostatic flux density
VROOMAN, Edward C.
Strain Locke Insulator Corp.
U 2,052,343 August 25, 1936 Plastic Forming Apparatus
Insulator press
DU BOIS, David Irvin
Press Whitall Tatum Co.
U 2,050,898 August 11, 1936 Electrical Insulator
Wireholder with large hole and lag screw
SELLYE, Howard P.
Wireholder  
U 2,050,510 August 11, 1936 Cable Saddle
Cable rack insulator for supporting heavy cables by simply laying the cable in the rack insulator.
THOMS, Alexander P.
KELLER, Carl A.
Cable Rack  
U 2,048,558 July 21, 1936 Insulator Plunging Machine
Plunging machine to form the shape of bushings and other insulators without the need for turning
MOORE, Stewart L.
Manufacturing Locke Insulator Corp.
U 2,048,504 July 21, 1936 Tower Supporting Insulator
Insulator to support radio antenna tower
HAWLEY, Kent A.
Radio Locke Insulator Corp.
U 2,048,016 July 21, 1936 Fog Type Insulator
Fog-type suspension disk with metal dish underneath to keep bottom pin area dry
LUSIGNAN, JR., Joseph T.
Fog Type The Ohio Brass Co.
U 2,044,332 June 16, 1936 Apparatus for Forming Ceramic Products
Manufacturing method to produce well mixed clay slip for casting insulators
ROWLAND, Davidge H.
Manufacturing Locke Insulator Corp.
U 2,043,754 June 9, 1936 Transposition Insulator
Transposition for radio line
JOHNSON, Edgar F.
Transposition  
U 2,043,523 June 9, 1936 Insulator
Suspension disk using metal malleable liner to aid cement expansion under the metal cap
VAN ATTA, Cloyd B.
Suspension Locke Insulator Corp.
U 2,039,500 May 5, 1936 Process of Assembling Insulators
Method of assembling a multipart insulators with cemented metal pins and caps to reduce strain from cement expansion (see 1,997,439)
TAYLOR, John J.
Multipart The Ohio Brass Co.
U 2,036,225 April 7, 1936 Lightning Guard for Transmission Lines
Lightning guard strung above transmission towers with supporting tower between transmission towers
LUSIGNAN, JR., Joseph T.
Transmission The Ohio Brass Co.
U 2,034,925 March 24, 1936 Hollow Building Block
Method in manufacturing glass to glass seal welded blocks
SLAYTER, Games
IRVINE, Jan S.
THOMAS, JR., John H.
OI Owens-Illinois Glass Co.
U 2,034,707 March 24, 1936 Apparatus for Making One-Piece Insulators
Machine to press out the form and trim the profile in large unipart insulators
BENARD, Arthur G.
Manufacturing Locke Insulator Corp.
U 2,033,827 March 10, 1936 Insulator Forming Machine
Machine to form the underside and recesses between skirts and the petticoats by using a trimming device that can be adjusted to any angle and extend inward as needed
HARVEY, Leo B.
FRENCH, Lucius L.
Manufacturing Porcelain Insulator Corp.
U 2,032,017 February 25, 1936 Sheet Metal Insulator Support Pin and Method of Making the Same
Steel sheet metal pin easily manufactured
HOCHER, Andrew A.
LASHER, Marshall
Pin Hubbard and Co.
U 2,026,782 January 7, 1936 Clay Homogenizing Method and Apparatus
Manufacturing method using vibration as the clay is extruded from the pug mill to ensure homogeneity.
GOUVERNEUR, Minor F. H.
Manufacturing Locke Insulator Corp.
 1935
U 2,024,831 December 17, 1935 Insulator
Spool type wireholder and lag screw bracket
MEYER, Edwin M.
Wireholder Porcelain Products, Inc.
U 2,023,808 December 10, 1935 Shielded Cemented Type Insulator
Suspension cementing procedure using metal cap (disc, J-D type & bus)
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 2,022,863 December 3, 1935 Arcing Guard
Metal arcing guard for suspension string
LUSIGNAN, JR., Joseph T.
Arcing Ring The Ohio Brass Co.
U 2,022,386 November 26, 1935 Conductor Support
Little bracket with insulator crown to hold low voltage wire attached to a wood pole (see 2,198,839)
PITTMAN, Ralph R.
Miscellaneous  
U 2,016,470 October 8, 1935 Secondary Rack and the Process of Making Same
Simple secondary rack construction to reduce cost.
WHITE, Leonard H.
Bracket/secondary Rack Line Material Co.
U 2,011,137 August 13, 1935 Insulator
Suspension cap with spring rollers to allow slippage of the cap and cement to improve strength
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 2,011,136 August 13, 1935 Protective Apparatus
Arcing gap using flux control insulators
AUSTIN, Arthur O.
Arc Gap The Ohio Brass Co.
U 2,010,934 August 13, 1935 Cementing Process and Apparatus
Apparatus to align the pin during the cementing process in a suspension insulator
SMITH, William A.
Manufacturing The Ohio Brass Co.
U 2,008,414 July 16, 1935 Insulator
Suspension cementing procedure
FISCHER, Eugene H.
Suspension  
U 2,008,342 July 16, 1935 Insulator
Suspension disk with metal spider cap over crown cemented in porcelain
STROUP, Charles L.
Suspension Jeffery-Dewitt Insulator Co.
U 2,008,341 July 16, 1935 High Tension Insulator
Suspension disk with additional cement in pinhole with asphalt coating
STROUP, Charles L.
Suspension Jeffery-Dewitt Insulator Co.
U 2,007,567 July 9, 1935 Apparatus for Molding Insulators
Machine for hot pressing porcelain box for street lights in one operation the interior surface with a rotating die and the exterior irregular surface with lugs with a stationary die (see 1,929,737)
FISCHER, Eugene H.
Manufacturing Westinghouse Electric & Mfg. Co.
U 2,005,494 June 18, 1935 Glass Feeder
Glass feeder
CHILCOTE, Ray A.
McLaughlin 1/2 to McLaughlin Glass Co.
U 2,003,225 May 28, 1935 Guy Insulating and Grading Means
Guy strain insulator for radio antenna guy wires
VROOMAN, Edward C.
Antenna Locke Insulator Corp.
U 1,998,549 April 23, 1935 Insulator Construction
Insulator that will withstand high compression and support the weight of a radio antenna
LAPP, Grover W.
JENNER, Ralph L.
Antenna Lapp Insulator Co., Inc.
U 1,998,406 April 16, 1935 Insulator Suspension Hardware
Links for Hewlett type suspension disks
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U 1,997,688 April 16, 1935 Insulator
RFI: coat crown with copper glaze to prevent radio interference
HUNT, Marsden H.
BARROW, George M.
RFI Westinghouse Electric & Mfg. Co.
U 1,997,666 April 16, 1935 Insulator
RFI multipart design with metal cap over crown with extension over coated area of top shell and metallic coating on each shell below cement joint
WHISLER, George M.
RFI Westinghouse Electric & Mfg. Co.
U 1,997,439 April 9, 1935 Insulator
Special design of cemented pin and cap on pin-type insulator used to support electrical equipment
TAYLOR, John J.
Miscellaneous The Ohio Brass Co.
U 1,994,292 March 12, 1935 Insulator
Special design of pin for suspension insulator
TAYLOR, John J.
Suspension The Ohio Brass Co.
U 1,994,291 March 12, 1935 Insulator
Suspension for heavy loads with improved cap and pin design; improvement of A. O. Austin patent (see 1,994,265)
SMITH, William A.
Suspension  
U Specimen known 1,994,282 March 12, 1935 Fog Type Insulator
Fog type suspension similar to oil reservoir types with inverted mating cup
LUSIGNAN, JR., Joseph T.
Fog Type The Ohio Brass Co.
U Specimen known 1,994,281 March 12, 1935 Insulator
Fog type multipart & suspension insulator similar to oil types with inverted mating cup
LUSIGNAN, JR., Joseph T.
Fog Type The Ohio Brass Co.
U 1,994,266 March 12, 1935 Insulator
Suspension cap design to allow for expansion of the cap without breaking off the insulator head
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,994,265 March 12, 1935 Insulator
Suspension cap design to allow for expansion of the cap without breaking off the insulator head
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,992,284 February 26, 1935 Bracket Insulator
Bracket for split insulator wireholder
BANKS, William C.
Wireholder  
U 1,991,469 February 19, 1935 Building Block
Block with interior partition, separate lid
SLAYTER, Games
OI Owens-Illinois Glass Co.
U 1,989,634 January 29, 1935 Glass Tile and Building Block
Blocks and tiles made with colored surfaces
COLLINS, Howard W.
RUIZ, Eloy
OI Owens-Illinois Glass Co.
U Specimen known 1,988,369 January 15, 1935 Radio Interferenceproof Insulator
Metal cap cemented into recessed formed in top of pin type insulator
BROWN, Harold H.
Metal Locke Insulator Corp.
U 1,988,155 January 15, 1935 Insulator
Suspension pin
BOVARD, Floyd G.
Suspension The Ohio Brass Co.
U 1,987,683 January 15, 1935 Insulator
RFI: coat crown with copper glaze to prevent AM radio interference
HUNT, Marsden H.
BARROW, George M.
RFI Westinghouse Electric & Mfg. Co.
 1934
U Specimen known 1,984,245 December 11, 1934 Insulator Support for Power Rails
Third rail insulator with interlocking pin and pinhole and side grooves to secure the rail on top
BANKS, William C.
Third Rail  
U 1,983,935 December 11, 1934 Mechanism for Forming Insulator Brackets and the Like
Machine for making brackets for rack spool wireholders
FASSINGER, Charles
Machine Oliver Iron & Steel Corp.
U 1,983,903 December 11, 1934 Protective Apparatus for Double String Installations
Arcing rings for a double string of suspension insulators
HAWLEY, Kent A.
Arcing Ring Locke Insulator Corp.
U 1,983,569 December 11, 1934 Pedestal Switch Insulator
Pedestal insulator to support switch gear or bus bar
ROWLAND, Davidge H.
Pedestal Locke Insulator Corp.
U 1,983,334 December 4, 1934 Method of Forming Insulator Caps
Manufacturing method to stamp out suspension caps from tubular steel
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,981,717 November 20, 1934 Insulator
Suspension cap and pin designed to improve strength of cement joint
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,979,092 October 30, 1934 Insulator
Suspension cap and pin designed with slipping cement joints to improve strength
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,978,649 October 30, 1934 Bus Bar and Bushing Connection
Connector to hold bus bar inside a bushing
ROBERTS, Charles W.
Bushing Locke Insulator Corp.
U 1,978,627 October 30, 1934 Vibrating Plunging Machine
Manufacturing method using a vibrating plunger tool to form the underside shape of the insulator without causing stresses in the finished porcelain
GOUVERNEUR, Minor F. H.
Manufacturing Locke Insulator Corp.
U 1,977,957 October 23, 1934 Bus Bar and Bushing Connection
Connector to hold bus bar inside a bushing
STEVENS, Leland S.
Bushing Locke Insulator Corp.
U 1,977,129 October 16, 1934 Hardware for Guy Strain Insulators
Metal hardware for guy strain insulators
HILL, Gregory C.
Strain Locke Insulator Corp.
U 1,976,418 October 9, 1934 Attachment for Insulators
Attachment for strain insulator
STINSON, William L.
Strain Jeffery-Dewitt Insulator Co.
U 1,976,378 October 9, 1934 Aviation Marker
Aviation warning light attached to a suspension insulator
VROOMAN, Edward C.
Misc Locke Insulator Corp.
U 1,975,576 October 2, 1934 Method of Applying a Conducting Coating on Insulators
RFI coating of carbon fused to the surface
HAWLEY, Kent A.
RFI Locke Insulator Corp.
U 1,975,297 October 2, 1934 Insulator
Suspension disk strengthen by acid etching glass under cap
SHAVER, William W.
Suspension Corning Glass Works
U 1,973,076 September 11, 1934 Insulator
RFI: coat crown with gold, platinum, bismuth & semi-conductive area
HUNT, Marsden H.
RFI Westinghouse Electric & Mfg. Co.
U 1,972,614 September 4, 1934 Insulator
Cementing and design technique to improve cement joint in cap and pin suspension and equipment support insulators
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,967,654 July 24, 1934 Insulator
Fog type multipart & suspension insulator with porous coating, wire screen for RFI
AUSTIN, Arthur O.
Fog Type The Ohio Brass Co.
U 1,967,616 July 24, 1934 Insulator
Tie wire for high voltage multipart pintype insulators using a conductive sleeve between conductor and insulator with tie wire wrapped around the sleeve
HILLEBRAND, William A.
Tie Wire The Ohio Brass Co.
U 1,961,434 June 5, 1934 Adjustable Insulator Bracket
Odd bracket for two spools to hold line wire at varying angles when mounted in a tree with a lag screw
SMEAD, Donald G.
Bracket  
U 1,961,402 June 5, 1934 Insulator
Catenary trolley wire support composed of multiple insulator sections with cemented caps and internal threaded parts allowing them to be screwed together
TAYLOR, John J.
Catenary The Ohio Brass Co.
U 1,960,681 May 29, 1934 Insulating Support Pin
Steel pin with malleable thread thimble with limited contact with the pin to aid in cushioning insulator
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,960,171 May 22, 1934 Line Holder for Electric Wires
Wireholder that allows tie-off without the use of tie wires by means of a hole in the insulator and slotted top and crown grooves
SEEGER, Adolph M.
Wireholder  
U 1,960,147 May 22, 1934 Insulator and Method of Treating It
Suspension, glass under cap is etched & treated with graphite
FULCHER, Gordon S.
Suspension Corning Glass Works
U 1,958,880 May 15, 1934 Suspension Insulator
Suspension insulator cap and pin design to reduce stress (see 1,822,485)
ARNOLD, Edwin E.
Suspension Westinghouse Electric & Mfg. Co.
U 1,958,435 May 15, 1934 High Tension Insulator
Post or pedestal insulator with hollow interior filled with dry sand
HAWLEY, Kent Allen
Post Type Locke Insulator Corp.
U 1,956,526 April 24, 1934 Insulated Support for Electric Cables
Clamp type with wire hanger
ELLMANN, John I.
Clamp Type Ellmann, Inc.
U Specimen known 1,955,609 April 17, 1934 Insulator
U-856A fogbowl
ROWLAND, Davidge H.
Insulator Locke Insulator Corp.
U 1,954,592 April 10, 1934 Wire Support
Wireholder
KLINGEL, Edward L.
Wireholder  
U 1,953,025 March 27, 1934 Corona Shield
Corona shield in the form of a metal band that fits around the tie-wire groove
ROWLAND, Davidge H.
Corona Locke Insulator Corp.
U Specimen known 1,952,517 March 27, 1934 Insulator
Post type insulator with metal brackets bolted on with U-bolt to stack insulators or attach equipment
STINSON, William L.
STROUP, Charles L.
Post Type Jeffery-Dewitt Insulator Co.
U 1,950,646 March 13, 1934 Insulator
Iron cap cemented on the top of an insulator for switch connection
AUSTIN, Arthur O.
Cap The Ohio Brass Co.
U 1,949,898 March 6, 1934 Building Block
Various forms of glass window block
COCHRANE, Samuel S.
KADOW, August
OI Owens-Illinois Glass Co.
U 1,947,321 February 13, 1934 Arcing Horn for Insulators
Arcing horns for Hewlett or other suspension insulator string
VINCENT, Harold Blanchard
SLEEMAN, Harold Parker
Suspension The R. Thomas & Sons Co.
U 1,947,118 February 13, 1934 Lighting Fixture
Porcelain lighting fixture
THOMAS, Noah T.
Fixture The Hartford Faience Co.
U 1,944,383 January 23, 1934 Oil Bath Insulator
Oil type insulator using oil cup attached to edge of insulator and protective cover attached to prevent contamination from fog or rain
WEILL, Robert
Oil  
U 1,944,134 January 16, 1934 Insulator Assembling Machine
Machine to press on and turn cap to secure the cement and cement in the metal pin
ROBERTSON, John Cullen
Manufacturing Locke Insulator Corp.
U 1,942,284 January 2, 1934 Electric Insulator
Helical grooves on top surface of suspension insulator
HALTON, Geoffrey H.
Helical Steatite & Porc. Prod. Ltd.
U 1,941,749 January 2, 1934 Insulator
Suspension insulator with upwardly projecting wings on the cap to serve as flux control
HILLEBRAND, William A.
Suspension The Ohio Brass Co.
 1933
U 1,940,591 December 19, 1933 Protecting Apparatus for Insulators
Arcing ring for string of suspension insulators
HAWLEY, Kent A.
Arcing Ring Locke Insulator Corp.
U 1,939,760 December 19, 1933 Means for Suspending Porcelain Insulators
Means of connection suspension disks with internal threaded rings to receive external threaded connector from underneath disk
BUXTON, Paul W.
Suspension Wheeler Reflector Co.
U 1,937,964 December 5, 1933 Insulator Support for Tower or Mast Type Antenna
Insulator for supporting radio tower or mast antenna
JENNER, Ralph L.
Antenna Lapp Insulator Co., Inc.
U 1,937,764 December 5, 1933 Insulator
Self-tying tree insulator with mounting lag screw and convoluted metal wire clip cemented in the porcelain insulator designed such that the insulator is turned to allow the conductor to be dropped in the slot between the ends of the wire clip and then the
KYLE, William D.
Tree Insulator Line Material Co.
U 1,937,731 December 5, 1933 Insulator
Pin for suspension disk
TAYLOR, John J.
Suspension The Ohio Brass Co.
U 1,937,620 December 5, 1933 Insulator
Suspension cap and pin designed to improve and strengthen the cement joint
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,937,184 November 28, 1933 Jigger
Jiggering machine using centrifugal force to cut out the interior of bushings
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,934,308 November 7, 1933 Insulator Support
Bracket mounted horizontally to hold a spool insulator
HOIT, Julian D.
Bracket National Electric Products Corp.
U 1,931,626 October 24, 1933 Insulator
Threads molded from cement in finished insulator
STEVENS, Frank J.
Thread Locke Insulator Corp.
U 1,930,735 October 17, 1933 Terminal Mounting for Lighting Fixtures
Terminal mounting for lighting fixture.
YARSLEY, Thomas G.
Fixture The Harford Faience Co.
U 1,929,737 October 10, 1933 Apparatus for Molding Insulators
Die to hot press to form an insulator for street lights with one part of the mold rotating and a stationary part to form petticoats with integral lugs (see 2,007,567)
FISCHER, Eugene H.
Manufacturing The Harford Faience Co.
U 1,927,639 September 19, 1933 Electric Insulator
Suspension insulator with hole in top to insert pin, plug to cement in the hole, and cap cemented over the top
GRAMSS, Ernst
Suspension  
U 1,927,106 September 19, 1933 Insulator
Carrier circuit insulator with metal skirt coated with insulating material
WILSON, Leon T.
Carrier American Telephone & Telegraph Co.
U 1,925,211 September 5, 1933 Art of Assembling Insulators
Method of cementing pin in suspension insulator to remove air
SMITH, William A.
Suspension The Ohio Brass Co.
U 1,925,058 August 29, 1933 Process for Forming Plastic Clay Masses
Wet process clay reflocculation method to eliminate pugging process
ROWLAND, Davidge H.
WETZEL, Kurt
Wet Process Locke Insulator Corp.
U 1,923,221 August 22, 1933 Process of Melting Glass
Boro-silicate glass, method to make colorless by using graphite pot
LOCKE, Fred M.
LOCKE, Fred J.
Boron Corning Glass Works
U 1,920,978 August 8, 1933 Insulator
Clamp type with lag screw
FORT, Louis
Clamp Type  
U 1,917,322 July 11, 1933 Insulator Support
Secondary rack stamped out of one piece of sheet metal. (see patent 1,709,805)
PEIRCE, JR., Charles L.
Bracket/secondary Rack 1/2 to Hubbard and Co.
U 1,914,437 June 20, 1933 Insulator
Wireholder with lag screw
KYLE, William D.
Wireholder Line Material Co.
U 1,914,436 June 20, 1933 Insulator
Metal terminal built into a secondary rack insulator or wireholder that is used to secure the deadend of the drop wire with the terminal making the connection to the wire leading into the building eliminating the need for soldering or other poor connectio
KYLE, William D.
Bracket/secondary Rack Line Material Co.
U 1,913,305 June 6, 1933 Suspension Means for Guy Strain Insulators
Guy strain insulators connected by means of special metal hardware
GOUVERNEUR, Minor F. H.
Strain Locke Insulator Corp.
U 1,912,456 June 6, 1933 Transposition Bracket
Bracket for transposition
KLEIN, Charles H.
Bracket Bell Telephone Laboratories, Inc.
U 1,912,007 May 30, 1933 Insulator Pin
Steel pin and externally threaded steel cone support securely mounted to the crossarm
PLIMPTON, Bentley A.
HAWLEY, Kent A.
Pin Locke Insulator Corp.
U 1,911,558 May 30, 1933 Insulator Pin
Steel pin with threads made of a spring coil
DRIGGS, Lorenzo J.
Pin Frank F. Winters
U 1,911,031 May 23, 1933 Insulator Support
Steel pin, support base, and threads made of a spring coil
MILLER, Charles E.
Pin Hubbard & Co.
U 1,910,333 May 23, 1933 Insulator Connection
Suspension with special cotter pin to prevent cap and pin from coming disconnected
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 1,904,608 April 18, 1933 Insulator Finishing Brushing Machine
Machine to grind down interlinking passages in a semi-dry insulator body for metal fittings
BETTINI, David
Manufacturing Locke Insulator Corp.
U 1,902,310 March 21, 1933 Method of Making Insulator Caps
Method of pressing out a malleable metal cap
PLIMPTON, Bentley A.
Manufacturing Locke Insulator Corp.
U 1,901,349 March 14, 1933 270 Degree Clamp
Bracket or clamp for high tension suspension insulator used to redirect the conductor 270 degrees in another direction.
LAPP, John S.
Suspension Lapp Insulator Co., Inc.
U 1,897,385 February 14, 1933 Insulator Bracket and Method of Making the Same
Secondary rack for spool insulators and method of manufacture
FASSINGER, Charles
Bracket Oliver Iron & Steel Corp.
U 1,896,937 February 7, 1933 Insulator
Fog type suspension like a Hewlett but with the edges curved sharply upward
BRINEY, Perry G.
Fog  
U 1,894,340 January 17, 1933 Insulator Pin
Pin with soft metal threads
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
U 1,894,292 January 17, 1933 Strain Insulator
Helical strain insulator
CRAMER, Walter
Helical Locke Insulator Corp.
U 1,892,888 January 3, 1933 Strain Insulator
Elaborate strain insulator with metal rings and rods attached around the insulator
HAWLEY, Kent A.
Strain Locke Insulator Corp.
U Specimen known 1,892,798 January 3, 1933 Cable Rider
Cable support tray (specimens are not uncommon to find)
ELMER, William B.
AVILA, Charles F.
Miscellaneous Charles B. Elmer
 1932
U 1,891,708 December 20, 1932 Insulator Cotter and Mode of Use
Suspension insulator cap and cotter pin permanent assembled that cannot be removed except with a special device
GALLOWAY, Howard L.
Suspension Locke Insulator Corp.
U 1,889,244 November 29, 1932 Noninterferring Insulator
RFI treatment for new or existing insulators by attaching a metal crown
HAWLEY, Kent A.
RFI Locke Insulator Corp.
U 1,889,113 November 29, 1932 Drop Wire Hanger
A hanger for drop wires composed of a loop of wire with several loops or fingers for the drop wire to be woven around.
SHOPE, James W.
Hanger  
U 1,888,571 November 22, 1932 Pin Centering Device and Cushion Retainer
Means to keep pin centered in a suspension insulator during cementing
ROBERTSON, John Cullen
Suspension Locke Insulator Corp.
U 1,886,984 November 8, 1932 Insulator Structure
Radio strain insulator for antennas
STATON, Harry C.
Radio  
U 1,886,280 November 1, 1932 Ultra Violet Ray Transmitting Glass and to a Batch and Method for Making the Same
Boro-silicate glass, method to make glass to transmit UV light
LOCKE, Fred M.
LOCKE, Fred J.
Boron Corning Glass Works
U 1,883,818 October 18, 1932 Secondary Rack
Bracket for rack spools with a plurality of spools for mounting on a building (see 1,779,489)
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,883,671 October 18, 1932 Insulator Bracket and Support
Bracket for rack spools with a plurality of spools for mounting on a building
FORT, Louis
Bracket  
U 1,882,486 October 11, 1932 Insulator
Tree hanger grips the wire like a hand
COLE, William H.
Tree  
U 1,880,766 October 4, 1932 Support for Insulators
Steel pin with waterproof fiber threads and cone cover
BURKE, Edmund
Pin Brown Company
U 1,877,903 September 20, 1932 Electric Insulator
Metal terminal attached to the outside of a secondary rack or wireholder that is used to secure the deadend of the drop wire with the terminal making the connection to the wire leading into the building eliminating the need for soldering or other poor con
KYLE, William D.
Bracket/secondary Rack Line Material Co
U 1,877,630 September 13, 1932 High Tension Insulator
Multipart cementing technique using a resilient layer or shaped sleeve
SCHEID, Johann Friedrich
Multipart Hermsdorf-Schomburg-Isolatoren G. M. B. H.
U 1,876,579 September 13, 1932 Insulator
Iron bus bar support cap cemented to top of an insulator
AUSTIN, Arthur O.
Cap The Ohio Brass Co.
U 1,873,750 August 23, 1932 Insulator Structure
Strain insulator with parts coated and metal fitting soldered to the coating
FORTESCUE, Charles Le G.
Strain Westinghouse Electric & Mfg. Co.
U 1,873,434 August 23, 1932 Supporting Fixture
Simply constructed secondary rack with detachable spool insulators.
LEMONT, Clarence J.
Bracket/secondary Rack Line Material Co
U 1,872,557 August 16, 1932 Article of Manufacture
RFI metal coating around the crown of an insulator so the tie-wire and conductor can be soldered to the coating
BARROW, George M.
RFI Westinghouse Electric & Mfg. Co.
U Specimen known 1,869,397 August 2, 1932 Insulator
Insulator with spiral or helical grooves to all rain to wash the surface better
STROUP, Charles L.
Spiral  
U 1,868,479 July 26, 1932 Compensating Strut Type Insulator
Suspension insulator cap and pin with special rings to aid strength of cement joint
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,866,804 July 12, 1932 Means for Utilizing Wood Poles to Aid Insulators
On wood poles, connect the steel pins with a conductor and fuse to aid grounding an insulator struck by lightning and reduce the chance of burning the crossarm or pole
HAWLEY, Kent A.
Transmission Locke Insulator Corp.
U 1,866,792 July 12, 1932 Multiple Insulator Trimming Machine
Machine to trim several insulators at the same time
BENARD, Arthur G.
Manufacturing Locke Insulator Corp.
U 1,866,104 July 5, 1932 Insulator Bracket
Wireholder bracket for rack spools
HEIM, Warren M.
Bracket Oliver Iron & Steel Corp.
U 1,865,134 June 28, 1932 Pole Top Bracket
Pole top bracket that uses the same length steel insulator pin as that used on the wooden crossarm
PLIMPTON, Bentley A.
Bracket Locke Insulator Corp.
U 1,864,300 June 21, 1932 Anchor Device
Metal attachment device for wireholders
FORREST, Elbert E.
Wireholder Line Material Co
U 1,863,539 June 14, 1932 Pole Top Pin
Steel pin with strap to attach to top of pole
HAWLEY, Kent A.
Pin Locke Insulator Corp.
U 1,861,316 May 31, 1932 Insulator
Suspension (Hewlett type) with oil reservoir
MONTANDON, Arthur
Suspension 1/2 to Societe Gen. D'Entr.
U 1,860,791 May 31, 1932 Lighting Fixture
Porcelain lighting fixture.
THOMAS, Noah T.
Fixture The Hartford Faience Co.
U 1,858,873 May 17, 1932 Wire Support for Insulators
Tie wire using complicate preformed tie wire
ASP, Knoch
Tie Wire  
U 1,858,611 May 17, 1932 High Tension Insulator
Fog type suspension by Lapp (see 1,742,628) Patent was owned by Lapp Insulator Co.
BARFOED, Svend
Fog Type  
U 1,858,045 May 10, 1932 Wire Support
Wireholder for duplex street lighting conductor running down poles
HENDEE, Lem E.
Wireholder Line Material Co
U 1,854,459 April 19, 1932 Insulator
Skirts upturned with drain holes
DIENNER, John A.
Skirt  
U 1,852,093 April 5, 1932 Article of Manufacture and Process of Making It
RFI metallic coating and process of applying it to porcelain insulators
SMEDE, Lloyd
SHAND, Errol B.
RFI Westinghouse Electric & Mfg. Co.
U 1,851,671 March 29, 1932 High Tension Insulator
Suspension insulator with metal attachments fixed with zinc, lead/antimony alloys
JOHNSTON, Robert M.
MCLACHLAN, Alexander
Suspension  
U 1,848,622 March 8, 1932 Insulator
Suspension rod with metallic shields to keep upper and lower parts dry to prevent electrical leakage
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U 1,848,501 March 8, 1932 Caster Base
Wood, cork, and felt support for piano legs
STEVENS, Charles Whitney
Piano  
U 1,844,549 February 9, 1932 Glass Working Machine
Press for making glass insulators
HEADLEY, Benjamin T.
DU BOIS, David Irvin
KOOB, Bernard H.
LOBB, Frank H.
Press Whitall Tatum Co.
U 1,841,949 January 19, 1932 Insulator With Caps
Steel cap cemented to top of insulator with bolts for stacking insulators
HAWLEY, Kent A.
Miscellaneous Locke Insulator Corp.
U Specimen known 1,840,362 January 12, 1932 Transposition Bracket for Insulators
Bracket for transposition
HUNTER, Russell N.
STOVER, Herbert F.
Bracket American Telephone & Telegraph Co.
U 1,839,594 January 5, 1932 Bracket
Bracket for poles for several rack spool wireholders (see reissue 19,473)
RICK, Karl L.
Bracket  
 1931
U 1,838,319 December 29, 1931 Insulator
Wireholder with lag screw
MILLER, Charles E.
Wireholder  
U 1,837,259 December 22, 1931 Hanger for Cables and the Like
2-part spool cable hanger held together with a metal bracket
FITZPATRICK, Ray
Hanger  
U 1,832,240 November 17, 1931 Insulator Pin and Method of Making Same
Hollow forged steel pin with base support, bolt, and means to keep out water
PLIMPTON, Bentley A.
Pin Locke Insulator Corp.
U 1,832,157 November 17, 1931 Insulator
Suspension insulator pin that is coated and designed to prevent stress from temperature changes
VAN ATTA, Cloyd B.
Suspension Locke Insulator Corp.
U 1,831,765 November 10, 1931 Insulator Link Connector
Link for Hewlett suspension disk
GOUVERNEUR, Minor F. H.
Link Locke Insulator Corp.
U 1,829,926 November 3, 1931 Insulator Pin
Steel pin with saddle that fits over a curved-top crossarm
HAWLEY, Kent A.
Pin Locke Insulator Corp.
U 1,829,354 October 27, 1931 Insulator
Self-tying clamp-top
HOUDE, Victor Frederick
Self-tying Miscellaneous 1/2 to Ferdinand La Fleche
U 1,824,767 September 29, 1931 Insulator Connector
Metal linkage for link-type suspension insulators similar to Hewlett or pork liver
BARROW, George M.
Suspension Westinghouse Electric & Mfg. Co.
U 1,824,766 September 29, 1931 Insulator
Thread insert of dry process porcelain, split & secured by glazewelding
BARROW, George M.
Thread Westinghouse Electric & Mfg. Co.
U 1,823,676 September 15, 1931 Insulator with Nested Parts
Multipart insulators with metal cap in cement joint of the outer two joints to add strength to the insulator
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,822,485 September 8, 1931 Insulator
Method of attached metal cap and pin to suspension insulators
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 1,822,458 September 8, 1931 Measuring Apparatus
Device to measure the density of clay slip
ROWLAND, Davidge H.
ROBERTSON, John C.
Manufacturing Locke Insulator Corp.
U 1,822,037 September 8, 1931 Method of Making Insulator Racks
Method of making rack spool brackets (see 1,794,520)
KERSCHNER, Richard M.
Manufacturing Hubbard & Co.
U 1,821,222 September 1, 1931 Insulator
Metal terminal mounted on outside of a secondary rack insulator or wireholder that is used to secure the deadend of the drop wire with the terminal making the connection to the wire leading into the building eliminating the need for soldering or other poo
KYLE, William D.
Bracket/secondary Rack Line Material Co.
U 1,821,221 September 1, 1931 Insulator and Terminal
Metal terminal mounted on outside of a secondary rack insulator or wireholder that is used to secure the deadend of the drop wire with the terminal making the connection to the wire leading into the building eliminating the need for soldering or other poo
KYLE, William D.
Bracket/secondary Rack Line Material Co.
U 1,819,748 August 18, 1931 Insulator
Suspension of the cap and pin design specially designed to make a strong joint for the cap and pin
HAWLEY, Kent A.
OSBORNE, David H.
Suspension Locke Insulator Corp.
U 1,819,380 August 18, 1931 Insulator Connection
Suspension insulator cap and pin that can be locked in securely
OSBORNE, David H.
Suspension Locke Insulator Corp.
U 1,819,302 August 18, 1931 Oil and Air Break Pothead Disconnect
Pothead disconnect
RAH, Joseph
Insulator G. & W. Electric Specialty Co.
U 1,818,494 August 11, 1931 Lightning Rod Point Connection
Lightning rod with swiveling support that can be screwed to the roof
MERSHIMER, Lawrence M.
Lightning Rod  
U 1,816,023 July 28, 1931 Method of Manufacturing Insulators
Method of assembling multipart insulators with wet cement and maintaining an ambient humidity and simulataneously cooling down.
OSBORNE, David Henry
Manufacturing Electric Service Supplies Co.
U 1,815,598 July 21, 1931 Insulating Member for High Tension Construction
Wooden shaft with metal fittings to insulate guy wires on high voltage transmission poles
STROUP, Charles L.
Wood  
U 1,811,530 June 23, 1931 Insulating Device
Ribbed suspension insulator with deep hollow interior to receive linkage hardware to connect the next insulator
BAUM, Frank G.
Suspension Westinghouse Electric & Mfg. Co.
U 1,811,211 June 23, 1931 Insulator Rack
Bracket for wireholder rack spools
PEIRCE, JR., Charles L.
Bracket Hubbard & Co.
U 1,810,950 June 23, 1931 Insulator
Rubber self-tying insulator
EARHART, Albert C.
Rubber  
U 1,810,424 June 16, 1931 Means for Sealing Insulators
Suspension insulator with metal connectors cemented in the insulator with molten metal under a vacuum to remove entrapped air in the joint
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 1,808,595 June 2, 1931 Lightning Rod Coupler
Lightning rod coupling with either male or female threads that is square and fits over and crimped to end of rods
CRIPE, Earnest C.
Lightning Rod Coupling  
U 1,808,105 June 2, 1931 Insulator Cutter and Method of Treating Insulators
Manufacturing method to cut out the top and bottom recess of a Hewlett suspension disk and ready for cutting the holes for link passages
GOUVERNEUR, Minor F. H.
Manufacturing Locke Insulator Corp.
U 1,807,878 June 2, 1931 Insulator Supporting Post
Steel pin with sheet metal threads
SEYLER, Carl P.
Pin  
U 1,806,170 May 19, 1931 Bracket and Dead-End Insulator
Double deadend bracket with two spool insulators.
LAW, Stanley W.
Bracket/wireholder  
U 1,799,977 April 7, 1931 Distributor Ring
Arcing ring or electrostatic field control structure for suspension string
FORTESCUE, Charles Le G.
Arcing Ring Westinghouse Electric & Mfg. Co.
U 1,799,580 April 7, 1931 Insulator
Suspension insulator composed of wood fibers impregnated with tar
BURKE, Edmund
Suspension Brown Co.
U 1,799,470 April 7, 1931 Secondary Rack
Simply constructed secondary rack without the base and other parts. Just composed of rods to hold the spool insulators and fastening bracket.
KYLE, William D.
Bracket/secondary Rack Line Material Co.
U 1,797,238 March 24, 1931 Insulator Mounting Pin
Pin with threaded lead head for screwing into an insulator
LEMONT, Clarence J.
Pin Line Material Co.
U 1,797,219 March 24, 1931 Insulator Supporting Fixture
Bracket for secondary rack spools using inexpensive, strong construction
BENNETT, George R.
Bracket Line Material Co.
U 1,796,429 March 17, 1931 Apparatus for Testing Insulators
Apparatus to run a high voltage test on insulators (see 1,796,427)
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,796,427 March 17, 1931 Process and Apparatus for Testing Insulators
Apparatus to run a high voltage test on insulators (see 1,750,699 and 1,796,427)
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,794,934 March 3, 1931 Insulator Connector
Bracket for strain insulator
WALBERG, Nils A.
Bracket Westinghouse Electric & Mfg. Co.
U 1,794,520 March 3, 1931 Insulator Rack
Bracket for rack spool wireholder (see 1,822,037)
KERSCHNER, Richard M.
Bracket Hubbard & Co.
U 1,794,111 February 24, 1931 Multiple Skirt Insulator
Suspension insulator with multiple skirts and pins or hooks embedded in the ends
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 1,793,191 February 17, 1931 Insulator Pin
Hollow steel pin that can be rotate to align conductor and secured with a keeper pin
PLIMPTON, Bentley A.
Pin Locke Insulator Corp.
U 1,790,273 January 27, 1931 Insulator
Wireholder with internal threaded metal core to receive a threaded shank that can be fixed to a wall
LEE, Leffman H.
Wireholder  
U Specimen known 1,788,245 January 6, 1931 Insulator Support
Clamp type
MANSON, Ralph H.
Clamp Type Hubbard & Co.
 1930
U 1,786,458 December 30, 1930 Insulating Nontilting Stool
Insulated stool composed of multiple plies of hardwood with extended legs. Pintype insulators are used to support the legs and insulate the stool.
SHIPMAN, Emanuel F.
Stool  
U 1,784,792 December 9, 1930 Apparatus for Making Insulators
Manufacturing method that replace casting large unipart insulators with a means to press out the entire form of the insulator
HAWLEY, Kent A.
Manufacturing Locke Insulator Corp.
U 1,784,392 December 9, 1930 Manufacture of Insulators
Suspension insulator with glazed sanded surfaces to improve strength of cap
ROWLAND, Davidge H.
Suspension Locke Insulator Corp.
U 1,783,272 December 2, 1930 Support for Transmission Lines
Orientation of tower supporting transmission line using flux control arcing harms (see 1,783,271)
AUSTIN, Arthur O.
Transmission The Ohio Brass Co.
U 1,783,271 December 2, 1930 High Potential Installation
Use of flux control arcing horns (see 1,552,664) to control flashover on towers using strings of suspension disks (see 1,783,272)
AUSTIN, Arthur O.
Transmission The Ohio Brass Co.
U 1,782,790 November 25, 1930 Insulator
Strain insulator composed of a wooden strain sealed inside porcelain tubular shell that is filled with non-conducting oil
MILLER, Frederic H.
JACKSON, Ray P.
Strain Westinghouse Electric & Mfg. Co.
U 1,780,246 November 4, 1930 Glass Insulator and Method of Making Same
Suspension glass Hewlett design with embedded/loose fitting metal brackets
ROWLAND, Davidge H.
Suspension Locke Insulator Corp.
U 1,779,811 October 28, 1930 Method of Manufacturing Insulators
Press for making skirts/petticoats in one-piece porcelain (replaces casting)
HARVEY, William F.
Press  
U 1,779,501 October 28, 1930 Insulator
Wireholder with lag screw
STEINMAYER, Alwin G.
Wireholder Line Material Co.
U 1,779,489 October 28, 1930 Method of Making Secondary Racks
Method of making secondary rack brackets (see 1,883,818)
PEIRCE, JR., Charles L.
Manufacturing 1/2 to Hubbard & Co.
U 1,778,176 October 14, 1930 Insulator
Suspension design using soft metal liner to prevent strain between cap and insulator
VAN ATTA, Cloyd A.
Suspension Locke Insulator Corp.
U 1,778,154 October 14, 1930 Cushion for Insulator Pins and Method of Applying
Suspension disk or pin-type pin with asphalt disk at top of pin to cushion strain of pin
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 1,778,153 October 14, 1930 Insulator Pin Centering Means
Suspension disk with large opening for additional cement around the pin and a means to keep the pin centered
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 1,778,152 October 14, 1930 Multiple Skirt Suspension Insulator
Odd two-disk suspension made in one piece with metal caps on each end
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 1,776,795 September 30, 1930 Coupling for Wires and Cables
Metal cap for suspension insulator with cotter pin to prevent the pin from slipping out of the cap.
OSBORNE, David Henry
Suspension Electric Service Supplies Co.
U 1,776,573 September 23, 1930 Insulator
Cementing treatment for a suspension insulator such that the cement will withstand temperature changes
VAN ATTA, Cloyd A.
Suspension Locke Insulator Corp.
U 1,776,557 September 23, 1930 Pedestal Insulator
Pedestal insulator similar to suspension disk with metal cap and pin to bolt other units to
HAWLEY, Kent A.
Pedestal Locke Insulator Corp.
U 1,776,538 September 23, 1930 Apparatus for Serving Glass
Method of delivering molten slugs of glass
BROOKE, Homer
Manufacturing  
U 1,772,947 August 12, 1930 Electric Insulator
Protective metal shield to cover linkage or connectors for suspension disks to prevent moisture damage to threaded connectors
HOFFMAN, Gottfried
Suspension Motor-Columbus Aktiengesellschaft Fur Elektrische Unternehmungen
U 1,772,513 August 12, 1930 Insulator
Design to allow the lowermost Hewlett disk to have its underside wetted with rain equally with disks above
HAWLEY, Kent Allen
Suspension Locke Insulator Corp.
U Specimen known 1,772,184 August 5, 1930 Dead End Wire Connection
Deadend insulator with insulator that fit in steel loop bracket (RACO deadend bracket)
LAVARACK, William H. B.
PATTERSON, Ray
Deadend  
U 1,770,138 July 8, 1930 Insulator Rack
Metal bracket for wire holders or secondary racks.
HUSTED, Norris C.
Bracket  
U 1,768,948 July 1, 1930 High Voltage Insulator
Suspension insulator
BAUM, Frank G.
Suspension Westinghouse Electric & Mfg. Co.
U 1,764,434 June 17, 1930 Insulator
Wood strain insulator with coating such as rubber over the metal ends and extending only a short distance to prevent burning the insulator from corona
COCHRAN, Paul B.
Strain Westinghouse Electric & Mfg. Co.
U 1,764,268 June 17, 1930 Glass Forming Machine
Machine to form threads in glass articles such as insulators. (see patent 1,185,687)
LA FRANCE, Richard
Manufacturing Owens-Illinois Glass Co.
U 1,761,671 June 3, 1930 Secondary Rack
Secondary rack or wireholder with rounded edges to more easily allow wire to be pulled through it during installation.
HUSTED, Norris C.
Bracket  
U 1,761,046 June 3, 1930 Transposition Device
Transposition ring for radio line
PFAUTZ, Christian E.
Transposition RCA
U Specimen known 1,760,983 June 3, 1930 Insulator
CD 194.5, CD 195.5 transposition
GORDON, Chester S.
LOWE, James T.
Insulator American Telephone & Telegraph Co.
U 1,760,786 May 27, 1930 Coupling for Insulators
Two part metal coupling to link Hewlett disks together
SLEEMAN, Harold P.
Suspension The R. Thomas & Sons Co.
U 1,759,253 May 20, 1930 Insulator
Suspension insulator assembly with porcelain insulator in compression without the need for cement.
GERHARDT, Roy C.
Suspension  
U 1,758,462 May 13, 1930 Insulator
Multipart cementing technique using Portland cement with a resilient alumina cement followed by a high humidity curing process
OSBORNE, David Henry
Multipart Electric Service Supplies Co.
U Specimen known 1,755,971 April 22, 1930 Insulator
Neon, knob to support wires for neon sign (""spook"" insulator)
SMALLEY, Robert C.
Neon Claud Neon Lights, Inc.
U 1,755,587 April 22, 1930 Insulating Device
Crossover
BROAD, William
Crossover 3/4 to Harry McLain
U 1,755,308 April 22, 1930 Apparatus for Finishing Insulator Shells
Machine to form grooves inside the suspension disk to aid cement adhesion.
SMITH, William Henry
Suspension Electric Service Supplies Co.
U 1,755,032 April 15, 1930 Insulator
Post insulator made up of Hewlett disks
SLEEMAN, Harold P.
Post Type The R. Thomas & Sons Co.
U 1,754,101 April 8, 1930 Insulator and Mold for Casting the Same
Hewlett style insulator made by casting
HAQUIN, Henri Louis Joseph
Suspension  
U 1,750,770 March 18, 1930 Insulator Pin
Steel pin with supporting base that fits over top and edge of wooden crossarm
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
U 1,750,769 March 18, 1930 Insulator Pin
Steel pin with rolled threads and support on top of crossarm
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
U 1,750,699 March 18, 1930 Process and Apparatus for Testing Insulators
Apparatus to run a high voltage test on insulators (see 1,796,427)
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,749,915 March 11, 1930 Insulator Rack
Wireholder mounted on a rack
KYLE, William D.
Wireholder Line Material Co.
U 1,748,884 February 25, 1930 Leakproof Insulator
Bell shaped radio antenna insulator to protect wire from getting wet from rain or snow.
KITTS, David Roscoe
Antenna  
U 1,744,674 January 21, 1930 Insulator Pin
Pin that holds insulator at an angle against strain on turns in the conductor
PORTER, Edward Y.
Pin  
U 1,744,566 January 21, 1930 Ground Resistance Test Set
Portable instrument to measure electrical ground resistance
MOTT, Everett V.
ROVERE, Lewis H.
ROWLAND, Davidge H.
Testing Western Union Telegraph Co.
U 1,743,552 January 14, 1930 Pin Type Insulator
Pin with sharp pointed threads that engage the insulator only at the tips of the threads and insulator with shallow depressions in the pinhole rather than threads
KERSCHNER, Richard M.
Pin Hubbard & Co.
U 1,742,628 January 7, 1930 High Tension Insulator
Fog type suspension & pin-type insulator with external petticoats (see 1,858,611) Patent was owned by Lapp Insulator Co.
BARFOED, Svend
Fog Type  
U 1,742,625 January 7, 1930 Process of Uniting by Sealing the Insulating Parts of High Tension Insulators
Cement of rubber used to cement multipart insulator
WECKERLE, Ferdinand
Cement Studiengesellschaft Fuer Wirtschaft U. Industrie, M. B. H.
 1929
U 1,740,641 December 24, 1929 Pole Top Pin for Multiple Construction
Steel bracket for pole top that supports insulator pin on side of pole when conductor is under stress
AUSTIN, Arthur O.
Bracket The Ohio Brass Co.
U 1,739,637 December 17, 1929 Insulator
Multipart porcelain pedestal insulator with threaded holes in the metal cap to bolt another insulator on top
HAWLEY, Kent A.
Pedestal Locke Insulator Corp.
U 1,738,875 December 10, 1929 Insulator Pin
Wooden pin strengthened with a metal collar
DUFFY, Ralph E.
Pin  
U 1,738,188 December 3, 1929 Insulating Support
Suspension cap, pin and connector
LANYON, Samuel Herbert
Suspension Lapp Insulator Co.
U 1,737,999 December 3, 1929 Insulator
Thimble that screws into the pinhole and screws onto a special steel pin
GODDARD, Walter T.
Thimble Locke Insulator Corp.
U 1,737,749 December 3, 1929 Insulator
Suspension with reinforcing band around cap and ribbed pin
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,736,044 November 19, 1929 Screw Insulator
Wireholder with lag screw
KYLE, William D.
Wireholder Line Material Co.
U 1,736,043 November 19, 1929 Insulator
Knob
KYLE, William D.
Knob Line Material Co.
U 1,735,829 November 12, 1929 Means and Method for Controlling Surface Resistance of Insulators
RFI coating on suspension insulators with graded or reduced thickness away from the center of the disk
AUSTIN, Arthur O.
RFI The Ohio Brass Co.
U 1,735,560 November 12, 1929 Insulator for Withstanding Fog Conditions
Multipart porcelain insulator with heating elements embedded in the surface to keep surface of insulator dry during fog
AUSTIN, Arthur O.
Fog Type The Ohio Brass Co.
U 1,734,167 November 5, 1929 Suspension Insulator Fitting
Link design for Hewlett suspension disks to reduce movement
HOLMES, Henry R.
Suspension The R. Thomas & Sons Co.
U 1,733,729 October 29, 1929 Method of Casting Link-Type Insulators
Manufacturing method to cast Hewlett type suspension disks
GOUVERNEUR, Minor F. H.
STEVENS, Frank J.
Manufacturing Locke Insulator Corp.
U 1,733,067 October 22, 1929 Insulator
Multipart with metal cap to prevent damage due to temp changes
MARVIN, Richard H.
Multipart The R. Thomas & Sons Co.
U 1,732,339 October 22, 1929 Apparatus for Finishing Insulator Shells
Machine to form the opening in the bottom of a top shell and form grooves in the sides of the opening to aid in cement adhesion between the top shell and the second shell.
OSBORNE, David H.
Manufacturing Electric Service Supplies Co.
U 1,731,099 October 8, 1929 Method of Forming a Cement-Receiving Surface on an Insulator Section
Improve cement adhesion by using a special roller tool to form a rough surface similar to that obtained by sanding.
HARVEY, William F.
Cement  
U 1,730,180 October 1, 1929 Insulator
Suspension insulator made of cylindrical insulator and metal hoods on each end
WAHLBERG, Nils A.
Suspension Westinghouse Electric & Mfg. Co.
U 1,730,171 October 1, 1929 Insulator
Design with metal pin and metal projections to prevent arc-over
SMITH, Harold B.
Suspension Westinghouse Electric & Mfg. Co.
U 1,730,170 October 1, 1929 Insulator
Design with metal pin and metal projections to prevent arc-over
SMITH, Harold B.
Suspension Westinghouse Electric & Mfg. Co.
U 1,729,702 October 1, 1929 Insulator Supporting Means
Metal threaded thimble that can be attached to a steel pin
BRADY, Edmund W.
Pin The Brady Electric & Mfg. Co.
U 1,729,532 September 24, 1929 Electrical Insulator
Cap and pin design for suspension insulator
ZIESCHE, Otto Paul
Suspension Hermsdorf-Schomburg-Isolatoren G. M. B. H.
U 1,728,522 September 17, 1929 Insulator for High Voltage Systems
Suspension disk with strips of high resistance conductive material embedded in the upper surface to produce a uniform distribution of voltage across each disk in a string
BAUM, Frank G.
Suspension Westinghouse Electric & Mfg. Co.
U 1,725,097 August 20, 1929 Insulator Structure
Metal parts of suspension insulators are coated with rubber or resin to help prevent or reduce flashover
NAYLOR, William K.
Suspension Westinghouse Electric & Mfg. Co.
U 1,723,174 August 6, 1929 Use of Dumortierite
Porcelain composition use the mineral dumortierite which allows firing at a lower temperature
JEFFERY, Joseph A.
RIDDLE, Frank H.
Porcelain Champion Porcelain Co.
U 1,722,672 July 30, 1929 Insulator Supporting Bracket
Secondary rack of simple but strong design eliminating rivets.
LUNDELL, Elmer W.
Bracket/secondary Rack Seyler Mfg. Co.
U Specimen known 1,721,657 July 23, 1929 Insulator
Tree insulator (porcelain) improved with ribs - strengthening (see 1,620,804)
CUTTER, Scott C.
Tree  
U 1,720,181 July 9, 1929 Insulator
Wireholder
KYLE, William D.
Wireholder Line Material Co.
U 1,719,989 July 9, 1929 Method of and Apparatus for Assembling Insulators
Method of assembling the shells, holding downward pressure, and vibrating to settle cement around the shells to eliminate air
MOORE, JR., Stewart L.
Manufacturing Locke Insulator Corp.
U 1,719,945 July 9, 1929 Insulator
Suspension with cutout metal cap and split spring metal eye-pin
SCHOENTHALER, George Henry
Suspension Locke Insulator Corp.
U 1,718,259 June 25, 1929 Insulator
Cleat - self-tying
SCOTT, Arthur C.
RUPE, William G.
Cleat  
U 1,717,996 June 18, 1929 Means for and Method of Making Insulators
Press method of molding porcelain insulator with vibration improves quality (Hewlett)
MOORE, JR., Stewart L.
Press Locke Insulator Corp.
U 1,717,885 June 18, 1929 Mounting for Electric Conductors
Hanger insulator made of rubber for trolley conductor
LEIPERT, August H.
Hanger The Rubber Shock Insulator Corp.
U 1,717,210 June 11, 1929 High Voltage Circuit Interrupter
High voltage air break switch
GODDARD, Walter T.
Transmission General Electric Co.
U Specimen known 1,716,963 June 11, 1929 Insulator
Suspension coupling device (see 1,329,770)
JOHNSTON, Robert M.
Suspension Jeffery-Dewitt Co.
U 1,716,123 June 4, 1929 Insulator
Multipart with external cement joints covered with tar for RFI
GODDARD, Walter T.
Multipart Locke Insulator Corp.
U 1,715,507 June 4, 1929 Insulator Mounting
Steel pin with malleable threaded thimble and coil spring for threads to contact the insulator pinhole
KYLE, William D.
Pin Line Material Co.
U 1,714,814 May 28, 1929 Pole Bracket
Steel bracket for pole top that supports insulator pin on side of pole
PLIMPTON, Bentley A.
Bracket Locke Insulator Corp.
U 1,712,900 May 14, 1929 Method of Making Forged Insulator Caps
Method to manufacture steel cap for suspension disks
OSBORNE, David H.
Manufacturing Locke Insulator Corp.
U 1,712,860 May 14, 1929 Transposition Pin
Pin (metal) through crossarm for transposition
WEIMAR, Robert
Pin  
U 1,712,557 May 14, 1929 Link Liner
Ductile and pliable liner for the holes in Hewletts to cushion link contact
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U 1,712,556 May 14, 1929 Insulator Suspension Link
Suspension links for Hewlett disks that are ductile and pliable
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U 1,712,432 May 7, 1929 Electrical Insulator Assembly
Suspension using Hewletts for novel electric switch
HAGERMAN, Alva Lloyd
Suspension  
U 1,712,327 May 7, 1929 Glass-Serving Apparatus
Method of delivering molten slugs of glass
BROOKE, Homer
Manufacturing  
U 1,710,880 April 30, 1929 Insulator Stack
Pedestal type stackable insulators with metal flanges that can be easily adjusted
LAPP, John S.
Pedestal Lapp Insulator Co., Inc.
U 1,710,756 April 30, 1929 Reduction of Attenuation Due to the Conductance Losses in Cross Arms and Insulator Pins
Reducing leakage on carrier circuits
WILSON, Leon T.
Carrier American Telephone & Telegraph Co.
U 1,709,805 April 16, 1929 Method of Making Insulator Supports
Secondary rack stamped out of one piece of sheet metal. (see patent 1,917,322)
PEIRCE, JR., Charles L.
Bracket/secondary Rack  
U 1,709,555 April 16, 1929 Insulator Support
Wireholder with bracket designed to be cemented between bricks
BLACKBURN, Jasper
ALBRECHT, Arthur A.
PEELE, Hereward J.
Wireholder Jasper Blackburn
U Specimen known 1,709,477 April 16, 1929 Insulator
Wireholder with lag screw
KYLE, William D.
Wireholder Line Material Co.
U 1,708,876 April 9, 1929 Insulator
Suspension Hewlett links made of formed sheet metal
ECKERT, Grandon E.
Suspension The R. Thomas & Sons Co.
U Specimen known 1,708,038 April 9, 1929 Low Loss Insulator
CD 176 (see June 1972 CJ p. 6)
WILSON, Leon T.
Insulator American Telephone & Telegraph Co.
U 1,707,668 April 2, 1929 Insulator Support
Secondary rack stamped out of one piece of sheet metal.
MANSON, Ralph H.
Bracket/secondary Rack Hubbard and Co.
U 1,707,054 March 26, 1929 Insulator
Strain type (impractical)
DOELTER, Otto
Strain  
U 1,706,987 March 26, 1929 Electric Wire Insulator
Bushing
SCHAFFLER, Oscar
Bushing  
U 1,706,488 March 26, 1929 Insulator
Fogbowl via metal pan under skirt
HAWLEY, Kent A.
Fog Type Locke Insulator Corp.
U 1,706,237 March 19, 1929 Secondary Rack
Wireholder with hole near the bottom for attaching to a metal rack and hole near the top for securing the drop wire.
KYLE, William D.
Wireholder Line Material Co.
U 1,704,005 March 5, 1929 Insulator Mounting
Suspension pin with lugs that fits in slot and turned to lock it inside the insulator
KATZENBERGER, Bernard
JANSEN, Theodor
Suspension Aktiengesellschaft Brown Boveri & Cie.
U Specimen known 1,703,853 February 26, 1929 Dry-Spot Insulator
CD 182, U-173, U-174 & U-175 dry-spot
GOULD, Rufus
Insulator 1/2 to Postal Telegraph Cable Co.
U 1,702,237 February 12, 1929 Process of Manufacturing Insulator Pins
Easily manufactured steel pin
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
U 1,702,236 February 12, 1929 High Tension Insulator Construction
Suspension disk with ""capacity gland"" to prevent electrical streamers and provide a balanced electrical field
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,702,235 February 12, 1929 System of Line Insulation and Insulators Therefor
Odd Electrose insulator
STEINBERGER, Louis
Insulator  
U Specimen known 1,701,562 February 12, 1929 Insulator
CD 122.4, CD 128, CD 142, CD 194.5, CD 195.5 with threads inside skirt
GORDON, Chester S.
Insulator American Telephone & Telegraph Co.
U 1,701,561 February 12, 1929 Insulator
CD 118; Carrier circuit insulator with metal cover screwed outside (internal threads)
GORDON, Chester S.
Carrier American Telephone & Telegraph Co.
U 1,700,166 January 29, 1929 Insulator for Bridle Wires
Dry-spot using coke bottle top & cap
JOHNSON, Benjamin
Dry-spot American Telephone & Telegraph Co.
U Specimen known 1,700,066 January 22, 1929 Insulator for Radio Frequency Currents
Radio strain insulator made from Pyrex glass for antennas
MARSHALL, Albert E.
Radio Corning Glass Works
U 1,699,063 January 15, 1929 Method of Making Insulators
Suspension insulator, method to attach skirts to a central shank
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 1,697,435 January 1, 1929 Hole Cutting Machine
Machine for cutting holes in Hewlett type suspension disks for links
MOORE, JR., Stewart L.
Manufacturing Locke Insulator Corp.
U 1,697,434 January 1, 1929 Hole Cutting Machine
Machine for cutting holes in Hewlett type suspension disks for links
MOORE, JR., Stewart L.
Manufacturing Locke Insulator Corp.
U 1,697,423 January 1, 1929 Method and Device for Cutting Holes in Insulators
Manufacturing method of cutting holes in Hewlett type suspension disks for links
GOUVERNEUR, Minor F. H.
Manufacturing Locke Insulator Corp.
U 1,697,422 January 1, 1929 Device for Cutting Holes in Insulators
Device for cutting holes in Hewlett type suspension disks for links
GOUVERNEUR, Minor F. H.
Manufacturing Locke Insulator Corp.
 1928
U 1,696,861 December 25, 1928 Insulator Supporting Pin
Hollow steel pin, cast iron base resting on crossarm, and bolt to attach to crossarm
PLIMPTON, Bentley A.
Pin Locke Insulator Corp.
U 1,696,491 December 25, 1928 Insulator Rack
Simply constructed secondary rack without the base and other parts. Just composed of rods to hold the spool insulators and fastening bracket.
KYLE, William D.
Bracket/secondary Rack Line Material Co.
U 1,695,892 December 18, 1928 Transmission Line Device
Arcing ring or electrostatic field control structure for suspension string
FORTESCUE, Charles Le G.
Arcing Ring Westinghouse Electric & Mfg. Co.
U 1,695,458 December 18, 1928 Insulator
Multipart (& suspension disk) with spacing cap and molten metal as cement
GODDARD, Walter T.
Multipart Locke Insulator Corp.
U 1,694,415 December 11, 1928 Insulator
Under crossarm type (see 955,661)
GORDON, Chester S.
Under American Telephone & Telegraph Co.
U 1,693,429 November 27, 1928 Method of Casting
Manufacturing method to cast bushings with a hollow core
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,691,964 November 20, 1928 Insulator Locking Device
Pin with locking device to fit in threads to secure insulator
DICKEY, Ray S.
CARNAHAN, Paul A.
Pin  
U 1,691,330 November 13, 1928 Insulator
Suspension string with flange attachment to balance electric field
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,690,989 November 6, 1928 Multiple String Insulator Suspension
Suspensions made up of several strings of disks
MARVIN, Richard H.
Suspension The R. Thomas & Sons Co.
U Specimen known 1,690,596 November 6, 1928 Insulator Pin
Steel pin with saddle and U-bracket to secure to the crossarm
SEYLER, Carl P.
Pin  
U 1,690,392 November 6, 1928 Insulator Pin
Steel insulator pin
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
U Specimen known 1,690,291 November 6, 1928 Insulator
Suspension flying saucer type with special link design
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U 1,689,073 October 23, 1928 Indenting Tool
Tool used to roll across the surface of a clay insulatot to form indentions or a rough surface to produce a better griping surface for cement.
HARVEY, William F.
Tool  
U Specimen known 1,688,411 October 23, 1928 Electrical Insulator
Crown cable & tie wire groove arced to reduce stress from wire/cable
COOK, William S.
Crown  
U 1,688,015 October 16, 1928 Insulator
Strain for guy wires with special wire connecting links
GOUVERNEUR, Minor F. H.
Strain Locke Insulator Corp.
U 1,688,011 October 16, 1928 Insulator
Strain for guy wires with special wire connecting links
GOUVERNEUR, Minor F. H.
Strain Locke Insulator Corp.
U 1,687,759 October 16, 1928 Insulator Knurling Device
Manufacturing method of cutting inside of multipart joints to aid cement adhesion
GOUVERNEUR, Minor F. H.
Manufacturing Locke Insulator Corp.
U 1,687,556 October 16, 1928 Reduction of Attenuation Due to the Conductance Losses in Cross Arms and Insulator Pins
CD 122.4; Metal thread thimble for wooden pins carrier circuits connected electrically to other pins or brackets on the same crossarm to reduce leakage losses
GORDON, Chester S.
LOWE, James T.
Pin American Telephone & Telegraph Co.
U 1,687,535 October 16, 1928 Reduction of Losses in Insulators, Pins, and Cross Arms
Carrier circuit insulator with specific diameter/pin ratio
AFFEL, Herman A.
GREEN, Estill I.
Carrier American Telephone & Telegraph Co.
U Specimen known 1,687,495 October 16, 1928 Insulator
Transposition (1-piece) for telephone line shaped like CD 194.5, CD 195.5
GORDON, Chester S.
LOWE, James T.
Insulator American Telephone & Telegraph Co.
U 1,685,834 October 2, 1928 Process of Manufacturing Insulator Pins
Manufacturing method to make steel pins for wooden crossarms
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,685,833 October 2, 1928 Process of Manufacturing Insulator Pins
Manufacturing method to make steel pins for wooden crossarms
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,685,663 September 25, 1928 Insulated Perch for Preventing Bird Trouble in Connection with Electrical Transmission Lines
Arrangement of a pintype insulator and specially designed conductor above a suspension string to discourage birds from sitting above suspension string
AUSTIN, Arthur O.
Miscellaneous The Ohio Brass Co.
U 1,684,441 September 18, 1928 High Tension Insulator
Suspension with special ribbed cap and pin
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U 1,684,312 September 11, 1928 Electrical Insulator
Self-tying slot top
FISCHER, John J.
PAYNE, Warren R.
Self-tying Slot Top  
U 1,684,066 September 11, 1928 Insulator
Suspension with metal and porcelain shaped to conform with electric field
MINOR, Douglas F.
Suspension Westinghouse Electric & Mfg. Co.
U 1,683,109 September 4, 1928 Conductor Support
Bracket to hold strain insulators on a crossarm for deadending
SNYDER, Edward B.
Bracket The Ohio Brass Co.
U 1,682,590 August 28, 1928 Insulator Pin and Process of Manufacturing the Same
Method of making a pin with a threaded lead head
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
U 1,682,288 August 28, 1928 Lightning Rod Construction
Lightning rod with ornamental support stand and method of attaching to roof peaks or sloped roof
KRETZER, Sidney D.
Lightning Rod  
U 1,679,345 August 7, 1928 Method and Apparatus for Casting Ceramic Pieces
Manufacturing method of casting bushings with a hollow core
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,678,942 July 31, 1928 Mechanical Movement
Gear for automatic insulator press
HOLMES, Minot K.
Press Hemingray Glass Co.
U 1,678,663 July 31, 1928 Insulator
Protective shield
WILSON, Leon T.
Protective Shield American Telephone & Telegraph Co.
U 1,677,498 July 17, 1928 Apparatus for Undercutting Pinholes in the Center Shells of Insulators
Machine to undercut the pinhole for the suspension pin to prevent the pin from pulling out of the insulator.
SMITH, William Henry
Suspension Electric Service Supplies Co.
U 1,677,346 July 17, 1928 Insulator
Fogbowl suspension
JACKSON, Ray P.
Fog Type Westinghouse Electric & Mfg. Co.
U 1,677,294 July 17, 1928 Insulator Assembly Jig
Centering jig for assembling multipart porcelain insulators
ROBERTSON, John Cullen
Manufacturing Locke Insulator Corp.
U 1,675,589 July 3, 1928 Insulator
Self-tying slot top via separate piece (similar to Ransom patent)
BABINEAU, Oliver D.
Self-tying Slot Top  
U 1,674,905 June 26, 1928 Insulator
Wireholder with lag screw embedded in eye-shaped insulator
KYLE, William D.
HENDEE, Lem E.
Wireholder Line Material Co.
U 1,672,059 June 5, 1928 Insulator
Multipart cement joint with alternating elastic bands & coated surfaces
COOK, William S.
Multipart  
U 1,670,853 May 22, 1928 Piano Insulator
Glass base with metal and rubber cup to support the piano leg
GEBHARD, Carl
Piano  
U 1,670,429 May 22, 1928 Pin for Insulators
Steel pin and bracket combination stamped out of sheet metal and bolted around the crossarm
ARNDT, John Philip
Pin  
U 1,669,529 May 15, 1928 Insulator
Suspension fog-type with wood strain insulator for connecting to another insulator
MILLER, Frederick H.
Suspension Westinghouse Electric & Mfg. Co.
U 1,668,581 May 8, 1928 Electrical Insulating Knob
Knob (Canada)
BROWN, Donald M.
Knob  
U 1,666,670 April 17, 1928 Lightning Rod Air Terminal Bracket
Lightning rod with attachment bracket to secure conductor and fit over tiled roof peaks, metal roof peaks, or raised edges of buildings
SCHNOEBELEN, Clement A.
Lightning Rod  
U 1,666,326 April 17, 1928 Lightning Rod
Lightning rod made of locked seam copper tubing that can be easily formed, wrapped around other rods and conductors, and with ends that slip together and readily riveted
DALLAS, Charles D.
Lightning Rod  
U 1,664,208 March 27, 1928 Insulator
Suspension fog-type with ceramic covered wood/fiber connecting tube
GILCHREST, George Irving
Suspension Westinghouse Electric & Mfg. Co.
U 1,664,172 March 27, 1928 Insulator
Knob with metal hook to hold wire
HOLLER, John R.
Knob  
U 1,663,421 March 20, 1928 Line Breaker
Breaker insulator similar to guy strain
STUBBINGS, Edwin L.
Breaker  
U 1,663,329 March 20, 1928 Forming and Tapping Machine
Machine to form threads in plastic clay bodies
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,663,011 March 20, 1928 Line Conductor Insulator
Wireholder with lag screw and bolt attachment
KYLE, William D.
Wireholder Line Material Co.
U 1,663,007 March 20, 1928 Electric Conductor Support
Insulator attachments to support equipment (see 1,274,555 and 1,574,964)
JACOBS, Ernest H.
Equipment Electrical Engineers Equipment Co.
U 1,661,823 March 6, 1928 Insulator
Suspension string with insulators having conducting surface to balance electrical field
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 1,659,731 February 21, 1928 Insulator
Protective shield
GREEN, Estill I.
Protective Shield American Telephone & Telegraph Co.
U 1,659,183 February 14, 1928 Insulator
Suspension with metal flanges to balance electrical field
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,657,924 January 31, 1928 Chain Link for Insulators
Link for Hewlett suspension insulator
GOUVERNEUR, Minor F. H.
GOUVERNEUR, Fairfax H.
Suspension Locke Insulator Corp.
U 1,657,922 January 31, 1928 Method of Assembling Insulators
Sprayed coating of metal or asphalt with heat treatment to improve cement joint
GODDARD, Walter T.
Cement Locke Insulator Corp.
U 1,657,341 January 24, 1928 Insulator Pin
Steel pin with base support on crossarm
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
U 1,657,340 January 24, 1928 Insulator Pin
Steel pin with base support on crossarm
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
U 1,657,035 January 24, 1928 Suspension Insulator with Hood and Deformable Pivoting System Forming an Articulated Joint
Suspension cemented pin with pivot joint
RICHARD, Augusto
Suspension  
 1927
U 1,654,047 December 27, 1927 Strain Insulator
Strain insulator with steel covering whereby the porcelain insulator is in compression
LAPP, John S.
Strain Lapp Insulator Co.
U 1,653,117 December 20, 1927 Suspension Insulator
Suspension, method of cementing metal bolt using flexible thimble
PECK, John M.
Suspension The Porcelain Insulator Corp.
U 1,652,693 December 13, 1927 Cut-Out Insulator
Fuse holder
BAILEY, Thomas
Fuse Holder  
U 1,652,506 December 13, 1927 Link-Type Insulator
Suspension bell-shaped link type with special U-shaped cable links
WAHLBERG, Nils A.
Suspension Westinghouse Electric & Mfg. Co.
U 1,651,704 December 6, 1927 Line Insulator
Wireholder with lag screw
HENDEE, Lem E.
Wireholder Line Material Co.
U Specimen known 1,651,201 November 29, 1927 Insulator
Suspension Hewlett type
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U 1,650,034 November 22, 1927 Insulator
Suspension with slotted metal cap for pin linkage
OSBORNE, David H.
Suspension Locke Insulator Corp.
U 1,649,853 November 22, 1927 Sectional Insulator
Multipart design with nested parts forming the cement joints
PECK, John M.
Multipart The Porcelain Insulator Corp.
U 1,649,697 November 15, 1927 Lightning Rod Support
Lightning rod with supporting feet for tiled roof peaks that fit over ridge tiles and under the tile edges
HOOVENS, Amasa G.
Lightning Rod  
U 1,647,695 November 1, 1927 Method of Assembling Insulators
Manufacturing method of using adhesive to hold shells together before injecting cement and sealing edges of the cured cement joint
HAWLEY, Kent Allen
Manufacturing Locke Insulator Corp.
U 1,645,447 October 11, 1927 Suspension Insulator
Suspension, method of cementing metal bolt using flexible thimble
PECK, John M.
Suspension The Porcelain Insulator Corp.
U 1,645,266 October 11, 1927 Insulator Connector
Suspension disk pin connector and shield around it to compensate for electrostatic field
WAHLBERG, Nils A.
Suspension Westinghouse Electric & Mfg. Co.
U 1,642,658 September 13, 1927 Glass Working Machine
Press for making insulators
HOLMES, Minot K.
Press Hemingray Glass Co.
U Specimen known 1,640,815 August 30, 1927 Insulator
Knob - self-tying with side projections to crimp wire and hold it.
BROOKMAN, Horace D.
Knob  
U 1,640,514 August 30, 1927 Press for Forming Plastic Materials
Press for forming threads in wet process porcelain
MUELLER, Ferdinand C. H.
Press Findlay Electric Porcelain Co.
U 1,637,374 August 2, 1927 Insulator
Suspension, tubular with ribs and cap on both ends
FORTESCUE, Charles Le G.
Suspension Westinghouse Electric & Mfg. Co.
U 1,633,462 June 21, 1927 Ceramic Insulating Material
Clay mixture to produce a black porcelain body.
SORTWELL, Harold H.
Porcelain Star Porcelain Co.
U 1,633,399 June 21, 1927 Insulator Fitting
Link for Hewlett suspension disk (see 1,458,811)
ECKERT, Grandon E.
Suspension The R. Thomas & Sons Co.
U 1,631,730 June 7, 1927 Ceramic Material
Porcelain composition for spark plugs and insulators consisting of Sillimanite
JEFFERY, Joseph A.
MONTGOMERY, Earle T.
Porcelain Champion Porcelain Co.
U 1,631,729 June 7, 1927 Ceramic Insulating Material
Porcelain composition for spark plugs and insulators consisting of Sillimanite and a glassy matrix
JEFFERY, Joseph A.
MONTGOMERY, Earle T.
Porcelain Champion Porcelain Co.
U 1,628,241 May 10, 1927 Insulator
Post type insulator composed of multiple parts
GODDARD, Walter T.
Post Type Locke Insulator Corp.
U 1,626,180 April 26, 1927 Lightning Rod Connecter
Lightning rod coupling composed of a Y-shaped tube which allows one end of the conductor to slip inside the tube and Y end attached to other conductor by bending over the metal tabs
BURKETT, Byron C.
Lightning Rod Coupling The Burkett Lightning Rod Co.
U 1,626,042 April 26, 1927 Glass
Boro-silicate glass
LOCKE, Fred M.
Boron  
U 1,625,645 April 19, 1927 Insulator
Clamp type
FORT, Louis
Clamp Type  
U 1,625,601 April 19, 1927 Insulator
Suspension insulator made of multiple sections that are clamped together in the field
GODDARD, Walter T.
Suspension Locke Insulator Corp.
U 1,625,514 April 19, 1927 Apparatus for Forming Plastic Materials
Improved press to form insulator shape from wet process clay and cut in threaded pinhole
AUSTIN, Arthur O.
MACLEOD, Donald Keith
Press The Ohio Brass co.
U 1,625,266 April 19, 1927 Rod Coupling
Lightning rod made solid with parallel fins and connected by coupling with matching male and female threads crimped over the ends of the rod sections
MAST, Charles O.
Lightning Rod Coupling Mast Lightning Rod Co.
U 1,623,301 April 5, 1927 Heat Resisting Glass
Glass of nearly opaque nature, probably that used for Fry insulators
BRENNER, Ralph F.
Glass H. C. Fry Glass Co.
U 1,622,648 March 29, 1927 Insulator
Suspension similar to Hewlett with uniform thickness of porcelain
JACKSON, Ray P.
Suspension Westinghouse Electric & Mfg. Co.
U 1,621,246 March 15, 1927 Insulator
High tension insulator made of parts with metal plates bolted to upper and lower surface or suspension disks bolted together
GODDARD, Walter T.
Multipart Locke Insulator Corp.
U 1,621,016 March 15, 1927 Method of and Means for Coating Inner Surfaces of Hollow Bodies
Manufacturing method of spraying gummy coating to the inside of the cement joint of an insulator
JACKSON, Ray P.
Manufacturing Westinghouse Electric & Mfg. Co.
U Specimen known 1,620,804 March 15, 1927 Insulator
Tree insulator bracket for CD 1038 (see 1,721,657)
CUTTER, Scott C.
Insulator  
U 1,620,392 March 8, 1927 Insulator
Radio strain with special pointed metal clips to minimize leakage
RIDER, Hebert E.
Radio Edward L. Hall
U 1,617,154 February 8, 1927 Insulator
Suspension with metal eye-bolt pin and cap with special securing clips
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U 1,613,464 January 4, 1927 Reinforced Insulator
Wireholder with lag screw and or U-shaped metal bracket
KYLE, William D.
Wireholder Line Material Co.
 1926
U 1,612,358 December 28, 1926 Insulator
Pin with cup below the threads to cover the inner skirt of the insulator and help secure the insulator to the pin
BROWN, James M.
Pin Westinghouse Electric & Mfg. Co.
U 1,611,871 December 28, 1926 High Tension Installation
Use of flux control insulators and arcing horns on transmission lines
AUSTIN, Arthur O.
Transmission The Ohio Brass Co.
U 1,611,464 December 21, 1926 Insulator Support Fixture
Bracket for rack spool wireholders
LEMONT, Clarence J.
Bracket Line Material Co.
U 1,610,085 December 7, 1926 Insulator
Multipart, alternating elastic bands & roughened surface aids cementing
GODDARD, Walter T.
Multipart Locke Insulator Corp.
U 1,609,598 December 7, 1926 Process of Assembling Insulator Parts
Cementing method in that the cement is cured in a bath of heated water
AUSTIN, Arthur O.
Cement The Ohio Brass Co.
U 1,608,029 November 23, 1926 Insulator
Suspension insulator
LOCKE, Fred M.
Suspension  
U 1,603,003 October 12, 1926 Fixing Means for Bolts
Steel pin designed with flanges on top and bottom of hole bored in crossarm to keep out water
ENNIS, William F.
Pin  
U 1,602,918 October 12, 1926 Insulator
Knob
MARTINEZ, Woodward J.
Knob  
U 1,602,873 October 12, 1926 Support for Electrical Fixtures
Bus bar support for top of insulator
ANSINGH, Herman K.
Bus Bar Westinghouse Electric & Mfg. Co.
U 1,599,580 September 14, 1926 Insulator
Multipart insulator with bowl underneath to balance electrical field
MILLER, Frederick H.
Multipart Westinghouse Electric & Mfg. Co.
U 1,596,931 August 24, 1926 Insulator
Slack wire cylindrical insulator and mounting clip
JOYCE, Bryan P.
Slack Wire  
U Specimen known 1,595,653 August 10, 1926 Tree Insulator
Tree hanger - self-tying twist lock with lag screw
GAMMON, Thomas E.
AVERILL, Henry D.
Tree 1/2 to Line Material Co.
U 1,594,207 July 27, 1926 Insulator
Wireholder with lag screw and ring
KYLE, William D.
Wireholder Line Material Co.
U 1,594,015 July 27, 1926 Beverage Cooler and Dispenser
Beverage cooler and dispenser for orange and other fruit juices that have sediment
MCLAUGHLIN, William
McLaughlin  
U 1,592,042 July 13, 1926 Insulator
Knob
NEWMAN, Maurice H.
GILARDIN, William A.
Knob  
U 1,591,883 July 6, 1926 Insulator Pin
Steel pin with lag screw and spring for threads
PEIRCE, JR., Charles L.
Pin  
U 1,590,457 June 29, 1926 Method of Testing Insulators
Manufacturing method of cutting a plastic insulator body to inspect it internally then put the parts back together before drying and firing
VAUPEL, Albert
Manufacturing Westinghouse Electric & Mfg. Co.
U 1,590,381 June 29, 1926 Insulator Cap
Iron insulator cap cemented to top of insulator to support electrical equipment
KERR, Benjamin W.
Cap Railway and Industrial Engineering Co.
U 1,589,940 June 22, 1926 Nail Knob Assembling and Securing Machine
Machine to manufacture nail-knobs
CASE, Francis M.
Knob Federal Porcelain Co.
U 1,589,939 June 22, 1926 Nail Knob Assembly
Machine to manufacture nail-knobs
CASE, Francis M.
Knob Federal Porcelain Co.
U 1,589,617 June 22, 1926 Process for Preparing Material for Ceramic Articles
Vacuum pugging after mixing dry ingredients with exact percent water needed
AUSTIN, Arthur O.
Vacuum The Ohio Brass Co.
U 1,586,642 June 1, 1926 Insulator Pin
Steel pin and bracket combination stamped out of sheet metal and bolted around the crossarm
ARNDT, John P.
Pin  
U 1,583,462 May 4, 1926 Supporting Pin for Insulators
Pin bracket that fits around and bolts to crossarm
HENDEE, Lem E.
Pin Line Material Co.
U 1,583,458 May 4, 1926 Nail Knob Assembling Machine
Machine for making nail-knobs
HANLEY, Timothy Henry
Knob Federal Porcelain Co.
U 1,579,174 March 30, 1926 Insulator
Suspension with metal eye-bolt pin
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U 1,578,526 March 30, 1926 Insulator
Suspension string composed of multiple porcelain disks with a hook-like link on top and bottom to allow them to be quickly strung together
JACKSON, Ray P.
Suspension Westinghouse Electric & Mfg. Co.
U 1,578,508 March 30, 1926 Insulator
Suspension, multipart with top/bottom grooves to attach support rings
GARBUTT, Harry L.
Suspension Westinghouse Electric & Mfg. Co.
U 1,575,484 March 2, 1926 Insulator Bracket
Bracket with lag screw for wireholder knob
HOENIG, Harry E.
Bracket  
U 1,574,964 March 2, 1926 Insulation Equipment
Special insulator design for bus bar and equipment support (see 1,274,555 and 1,663,007)
GETTS, Frank E.
Insulator Electrical Engineers Equipment Co.
U 1,574,883 March 2, 1926 Method and Apparatus for Cementing Insulators
Machine to vibrate insulator to improve cementing of the parts
HARVEY, William F.
Manufacturing  
U 1,574,495 February 23, 1926 Beverage Dispenser
Syrup dispenser for beverages
LOOK, Carrol A.
McLaughlin  
U 1,572,730 February 9, 1926 Batch for Making Ceramic Material and to a Ceramic Material Made Therefrom
Porcelain composition for insulator using manganese
LOCKE, Fred M.
LOCKE, Fred J.
Porcelain  
U 1,572,242 February 9, 1926 Beverage Cooler and Dispenser
Beverage cooler
MCLAUGHLIN, William
McLaughlin  
U 1,569,251 January 12, 1926 Method of Preparing Clay or Body Composition for Ceramic Articles
Method of preparing plastic clay without the use of filter presses by mixing dry ingredients with water, filtering, and evaporation of water with heat and vacuum before sending to the pug mill
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
 1925
U 1,567,027 December 29, 1925 Insulator Threading Machine
Machine to form threads in plastic clay
BENNETT, Cornelius Van Dyke
Press The Porcelain Insulator Corp.
U 1,566,070 December 15, 1925 Sagger
Sagger to provide uniform distribution in the kiln
BUCKLEY, Lorenzo C.
Sagger The R. Thomas & Sons Co.
U 1,564,918 December 8, 1925 Insulator Clamp
Clamp fitting in tie-wire groove to hold conductor
WILLIAMS, Joseph Thomas
Clamp  
U Specimen known 1,563,377 December 1, 1925 Pulling and Transposing Mechanism for Line Wires
Mechanism for pulling multiple wires in order to string them for transposing.
KLEIN, Charles H.
Equipment American Telephone & Telegraph Co.
U 1,562,836 November 24, 1925 Pin for Insulators
Pin with 3 or 4 soft-metal ribs that form threads to screw into the insulator
KYLE, William D.
Pin Line Material Co.
U 1,562,817 November 24, 1925 Piano Glide
Glass shell with bottom made of polished hardwood to aid in moving piano and act as an insulator
WISMER, George C.
Piano  
U 1,561,002 November 10, 1925 Method of Producing Clay Bodies and Apparatus Used
Vacuum process for removing air from the clay
LAPP, Grover W.
Vacuum Lapp Insulator Co., Inc.
U 1,558,499 October 27, 1925 Insulator Construction
Multipart cementing of sections using resilient cement and non-resilient cement
PECK, John M.
Multipart The Porcelain Insulator Corp.
U 1,558,498 October 27, 1925 Method of Making Insulators
Multipart, cementing of sections (see Pinco catalog page 3)
PECK, John M.
BENNETT, Cornelius Van Dyke
RYAN, James W.
Multipart The Porcelain Insulator Corp.
U 1,558,268 October 20, 1925 Coupling for Sectional Rods
Lightning rod coupling the fits over spiralled rods and crimps tight against the end and screws to other couplings (see 1,140,052)
MAST, Louis L.
Lightning Rod Coupling  
U 1,556,570 October 6, 1925 Impregnated Wood and Process of Treating Wood
Treating wood pins and the like under high temperature with Montan wax and a solvent that penetrates the grain and protects it from weather and decay
COOLIDGE, Joseph R.
Pin Montan, Inc.
U 1,556,440 October 6, 1925 Press for Making Insulators and the Like
Press for forming threads in porcelain insulators and to prevent damaging the threaded pinhole once formed
HIBBARD, Robert L.
Press  
U 1,556,029 October 6, 1925 Method of Connecting Insulator Units
Suspension, card used to keep cement off top surface around cap
REAGAN, Frank H.
Suspension Locke Insulator Corp.
U 1,555,289 September 29, 1925 Insulator
Strain insulator connecting hardware
JACKSON, Ray P.
Strain Westinghouse Electric & Mfg. Co.
U 1,553,356 September 15, 1925 Machine for Producing Threads or Grooves in Plastic Articles
Threading method whereby mandrel rotates (similar to Lapp wobbler method)
BENNETT, Cornelius Van Dyke
Thread The Porcelain Insulator Corp.
U Specimen known 1,552,664 September 8, 1925 Insulator
Suspension arcing horn insulator (see 1,521,743 and 1,783,271)
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,552,663 September 8, 1925 Insulator Cap
Metal cap for suspension insulator disks
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,546,591 July 21, 1925 Cushion Head Insulator Pin
Threads on a pin made of soft metal wire such as lead
KYLE, William D.
Pin Line Material Co.
U 1,544,148 June 30, 1925 Method of Connecting Insulators
Multipart, method of cementing sections with solder
GOUVERNEUR, Minor F. H.
Multipart Locke Insulator Corp.
U 1,543,779 June 30, 1925 Manufacture of Insulators
Suspension glass insulator with pin molded in the glass
LITTLETON, Jesse T.
FULCHER, Gordon S.
Suspension Corning Glass Works
U 1,543,313 June 23, 1925 Insulator
Suspension metal pin and cementing technique
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,542,588 June 16, 1925 Method of Making Suspension Insulators of Glass
Suspension glass insulator with glass pressed around mounting pin
SCHOTT, Erich
Suspension Jenaer Glaswerk Schott & Gen.
U 1,538,946 May 26, 1925 Lightning Rod Connector
Lightning rod with Y-shaped connector pressed out of sheet metal, folded in half around the conductor, and halves secured together by bending over the metal tabs
MOORE, Ira M.
Lightning Rod  
U 1,538,428 May 19, 1925 Pole Line Insulator
Self-tying odd insulator screwed into cut-out in top of crossarm
EMMONS, Albert F.
Self-tying Miscellaneous  
U 1,538,238 May 19, 1925 Machine for Assembling Insulator Knobs
Machine for assembling nail-knobs, inserting the nail and crimping it so the nail cannot be removed, thus holding the parts together.
CARPENTER, Alexander
Manufacturing C. A. C. Automatic Machine Co.
U 1,536,749 May 5, 1925 Insulator
Multipart (RFI) with sanded, metal coated groove & cement (see 1,284,975)
AUSTIN, Arthur O.
Multipart The Ohio Brass Co.
U 1,532,111 March 31, 1925 Machine for Assembling Nail Knobs
Machine for assembling nail-knobs
LOY, John G.
Knob Federal Porcelain Co.
U 1,532,110 March 31, 1925 Apparatus for Assembling Nail Knobs
Machine for assembling nail-knobs
LOY, John G.
Knob Federal Porcelain Co.
U 1,530,298 March 17, 1925 Knob
Knob with side grooves
CHAMBLESS, Young J.
LEE, Ammie L.
Knob  
U 1,529,259 March 10, 1925 Glass
Alumino-silicate glass (Corning's Flameware)
LOCKE, Fred M.
LOCKE, Fred J.
Alumino  
U 1,528,908 March 10, 1925 Process of Forming Ceramic Products
Process of adding reagents to accelerate hardening of the clay to reduce the time body is in mold
BLEININGER, Albert V.
Manufacturing 1/2 to Frank H. Riddle
U 1,528,580 March 3, 1925 Insulator Pin
Unique hollow steel pin with bottom halves that widen when the insulator is screwed down on the pin thus gripping the hole in the crossarm and securing the pin and allowing a tap wire to run from the line conductor down through the center of the pin
STAUB, Arthur J.
Pin  
U 1,528,056 March 3, 1925 Golf Tee Marker
Porcelain golf tee marker
HERBERT, Joseph T.
Golf Tee The Brunt Porcelain Co.
U 1,527,346 February 24, 1925 Flexible Insulator
Wireholder with lag screw and metal bracket
BRADY, William P.
Wireholder Brady Electric & Mfg. Co.
U Specimen known 1,527,318 February 24, 1925 Insulator
Knob with multiple side grooves
LEWIS, Edwin
Knob American Telephone & Telegraph Co.
U Specimen known 1,526,168 February 10, 1925 Insulator Link
Suspension links for Hewlett disks
MARVIN, Richard H.
Suspension The R. Thomas & Sons Co.
U 1,525,229 February 3, 1925 Means for Mounting Insulator Pins
Steel pin and bracket for mounting on a crossarm with a clamping system not dependent on the size of the crossarm
COTTON, Charles S.
Pin  
U 1,524,407 January 27, 1925 Insulator for Suspended High Tension Electric Wires
Strain for horizontal with cupped ends with downward drip edges
RENAUDIN, Alfred
Strain  
U 1,524,141 January 27, 1925 Rack
Secondary rack bracket made by stamping sheet metal.
KYLE, William D.
Bracket/secondary Rack  
U 1,523,164 January 13, 1925 Insulator Supporting Bracket
Bracket made of stamped metal
BARNARD, Thomas H.
TAYLOR, Herbert M.
Bracket  
U 1,521,743 January 6, 1925 Insulator
Suspension arcing horn system and insulator (see 1,552,664 and 1,783,271)
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
 1924
U Specimen known 1,521,433 December 30, 1924 Indicating Insulator
Knob
CHARLTON, Robert W.
Knob  
U 1,520,984 December 30, 1924 Electric Insulator
Suspension insulator composed of several parts to withstand tension
THOMAS, Percy H.
Suspension Westinghouse Electric & Mfg. Co.
U 1,520,218 December 23, 1924 Insulator Bracket
Bracket made of stamped metal
BARNARD, Thomas A.
Bracket  
U 1,517,084 November 25, 1924 Spur Forming Machine
Machine for making nail-knobs (see 1,314,682)
MCKNIGHT, Oscar W.
Knob Brunt Tile & Porcelain Co.
U 1,516,884 November 25, 1924 Wireless Tie Insulator
Self-tying via side fingers
FREDERICK, Harry A.
Self-tying Miscellaneous  
U 1,516,585 November 25, 1924 Insulator
Cylindrical strain insulator with ribs and metal caps on the ends
AUSTIN, Arthur O.
Strain The Ohio Brass Co.
U 1,515,864 November 18, 1924 Method of Testing Insulators
Testing method by extending the flashover distance
LAPP, Grover W.
Testing  
U 1,515,755 November 18, 1924 Suspension Insulator
Suspension, special pin design
ROHDE, Fritz
SCHWINNING, Max
Suspension Nora Pfannenstiel
U 1,513,931 November 4, 1924 Lightning Rod Point Support
Lighting rod with supporting feet for tiled roof peaks that fit over ridge tiles and under the tile edges
REA, Ernest C.
Lightning Rod  
U 1,513,291 October 28, 1924 Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,512,944 October 28, 1924 Conductor Holder
Device to hold conductor of telephone and telegraphs lines while line is being strung
NESS, John A.
NESS, Walter
Miscellaneous  
U 1,512,430 October 21, 1924 Machine for Assembling Nail Knobs
Machine for assembling nail-knobs
LOY, John G.
Knob Federal Porcelain Co.
U 1,512,299 October 21, 1924 Temporary Binder for Ceramic Bodies
Use of wheat flour to act as an organic binder to aid in holding the shape of a ceramic material before it is fired
NAGLE, Josehp A.
Manufacturing Jeffery-Dewitt Co.
U 1,510,789 October 7, 1924 Electric Wire Cleat
Cleat with separate top part so one wire can be removed without disturbing the other
LEVANDOFSKY, John
Cleat  
U 1,510,521 October 7, 1924 Glass
Boro-silicate glass
LOCKE, Fred M.
Boron  
U 1,509,645 September 23, 1924 Insulator
Self-tying
FOSS, Marvin J.
Self-tying Miscellaneous  
U 1,509,279 September 23, 1924 Strain Insulator
Strain for guy wires using special connecting hardware
AUSTIN, Arthur O.
Strain The Ohio Brass Co.
U 1,509,074 September 16, 1924 Insulator
Self-tying clamp top
WILSON, James Leslie
Self-tying Miscellaneous  
U 1,508,158 September 9, 1924 Coupling for Insulators
Links to connect Hewlett suspension disks
BOWER, George W.
Suspension General Electric Co.
U 1,506,863 September 2, 1924 Suspension Insulator
Suspension with metal cap on top and underneath
PLIMPTON, Bentley A.
Suspension  
U 1,505,730 August 19, 1924 Insulator and Support Therefor
Wireholder with lag screw and metal bracket
ROCKWELL, Herbert O.
Wireholder Brady Electric & Mfg. Co.
U 1,505,537 August 19, 1924 Machine for Forming Glass Articles
Severing and delivering glass from a continuous flow. Press for making glass insulators
BROOKFIELD, Henry M.
Press Brookfield Glass Co.
U 1,504,859 August 12, 1924 Adjustable Secondary Rack
An adjustable wireholder rack bracket whick allows the spool insulators to be adjusted up or down.
BRADY, William P.
Bracket  
U 1,501,732 July 15, 1924 Column Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,501,602 July 15, 1924 Leer Feeder
Automatic leer feeder
HOLMES, Minot K.
Manufacturing Hemingray Glass Co.
U 1,501,107 July 15, 1924 Method of Connecting Insulator Parts
Method of making a cement impervious to water
GOUVERNEUR, Minor F. H.
Cement Locke Insulator Corp.
U Specimen known 1,500,814 July 8, 1924 Link Insulator
Suspension link strain
HEWLETT, Edward M.
Suspension General Electric Co.
U 1,500,626 July 8, 1924 Supporting Insulator
Bracket for wireholder knobs and knob with lag screw
KYLE, William D.
Bracket  
U 1,498,622 June 24, 1924 Strain Insulator
Strain insulator for high tension lines that is strong and lightweight
GODDARD, Walter T.
Strain Locke Insulator Corp.
U 1,497,319 June 10, 1924 Insulator
Improved construction of a high tension strain insulator for long spans
AUSTIN, Arthur O.
Strain The Ohio Brass Co.
U 1,497,318 June 10, 1924 Cover for Strain Insulators
Cover for a guy strain insulator to keep it dry
AUSTIN, Arthur O.
Strain The Ohio Brass Co.
U 1,494,766 May 20, 1924 Insulating Support
Battery rest insulator sitting on a foot to allow movement
BENJAMIN, Edward O.
Battery International Oxygen Co.
U 1,494,023 May 13, 1924 Insulator Bracket
Bracket made of stamped metal to fit upright in hole in crossarm or over top of crossarm to hang down and spool insulator mounted underneath
ROLFE, Charles A.
Bracket  
U 1,493,054 May 6, 1924 Ball and Socket Insulator Connection
Ball and socket connection for an Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,492,496 April 29, 1924 Insulator and Transposition Device
Transposition insulator with internal channels to transpose the wires
VERNOR, Thomas A.
Transposition  
U 1,491,385 April 22, 1924 Insulator
Wall or roof bushing to bring conductor into the building
FACCILOI, Giuseppe
Miscellaneous General Electric Co.
U 1,490,080 April 15, 1924 Insulator
Suspension with ribbed pin and cap & notched cap for better adhesion of cement
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,489,809 April 8, 1924 Insulator
Suspension with ribbed sheet metal in pin and cap for better adhesion of cement
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,489,690 April 8, 1924 Insulator and Method of Assembling the Same
Suspension with sanded joints & soft coating for better adhesion of cement
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,489,689 April 8, 1924 Insulator
Suspension with ribbed pin and cap for better adhesion of cement
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,488,474 April 1, 1924 Machine for Molding Insulators
Press and molding machine for porcelain insulators
BURNS, James A.
Press Westinghouse Electric & Mfg. Co.
U Specimen known 1,487,355 March 18, 1924 Drawer Knob
Glass drawer knob with screw threads for screwing into the drawer
OVERMYER, Charles G.
Drawer Knob  
U 1,486,664 March 11, 1924 Assembling Machine for Insulator Knobs
Machine to assemble nail-knobs
HIRES, John Edgar
Knob Automatic Machinery and Equipment Co., Inc.
U 1,484,569 February 19, 1924 Ceramic Body
Method of making a suspension disk by inserting a fired porcelain part inside the bottom of an unfired disk, then firing the disk, which shrinks around the insert securing a cemented pin inside
SCHEID, Johannes Friedrich
Suspension H. Schomburg & Shone
U 1,484,051 February 19, 1924 Insulator
Cylindrical H-T ins, inner section to receive strain if outer is broken
AUSTIN, Arthur O.
Cylinder The Ohio Brass Co.
U 1,481,080 January 15, 1924 Insulator
Antenna or guy strain insulator consisting of a bar of porcelain with longitudinal ribs and metal caps on the ends
AUSTIN, Arthur O.
Antenna The Ohio Brass Co.
U 1,479,155 January 1, 1924 Insulator Support or Bracket
Bracket for wireholder knobs
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
 1923
U Specimen known 1,478,912 December 25, 1923 Insulator
Multipart with cement around lower edge of shell
PLIMPTON, Bentley A.
Multipart 1/2 to The Porcelain Insulator Co.
U 1,477,800 December 18, 1923 Connecting Joint
Cementing procedure using elastic and sanded cement joint
AUSTIN, Arthur O.
Cement The Ohio Brass Co.
U 1,475,722 November 27, 1923 Insulator for Telephone and High Tension Conductors
Self-tying slot top and clip
ROMANDY, Joseph
Self-tying Slot Top  
U 1,474,736 November 20, 1923 Insulator
Knob
SCHAUB, Ferdinand
Knob  
U 1,474,256 November 13, 1923 Insulator
Special columnar insulators to support structure for a radio transmitter
GODDARD, Walter T.
Radio Locke Insulator Corp.
U 1,471,907 October 23, 1923 Machine for Heading Porcelain Tubes and the Like
Machine to make porcelain wall tubes
MASON, Albert G.
BUCKLEY, Lorenzo C.
Wall Tube The R. Thomas & Sons Co.
U 1,470,322 October 9, 1923 Wireless Tie Insulator
Self-tying via fingers
FREDERICK, Harry A.
Self-tying Miscellaneous  
U 1,469,584 October 2, 1923 Tube Forming Machine
Machine for making porcelain wall tubes
CASE, Francis M.
Wall Tube Federal Porcelain Co.
U 1,468,947 September 25, 1923 Furnace for Decorating Ceramic Ware
Kiln for firing porcelain spark plug insulators
JEFFERY, Joseph A.
Manufacturing Jeffery-Dewitt Co.
U 1,468,044 September 18, 1923 Line Insulator
Metal thimble in Electrose pintype insulator and internal cavity to cool insulator
STEINBERGER, Louis
Electrose  
U 1,468,043 September 18, 1923 Insulator Supporting Pin
Electrose pin
STEINBERGER, Louis
Pin  
U 1,468,042 September 18, 1923 Column Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,467,922 September 11, 1923 Lightning Rod
Lightning rod for roof peaks with Y-shaped connector bolted below the conductor and nailed to the roof
CREIGHTON, Melvin
Lightning Rod  
U 1,466,674 September 4, 1923 Storage Battery
Battery electrodes and container. However, the little porcelain insulators cataloged as SP17-01 were used to support glass rods for the battery to set on.
STANLEY, Vincent C.
Battery The Gamewell Fire Alarm Telegraph Co.
U 1,465,157 August 14, 1923 Apparatus for Shaping Insulators
Machine to shape to crown of a small pin-type insulator
BUCKLEY, Lorenzo C.
Machine The R. Thomas & Sons Co.
U 1,463,852 August 7, 1923 Electric Line Insulator
Insulator with fuse inserted between the petticoats and a plug to hold it in place
STEPHENS, Benjamin George Claude
Fuse Holder  
U 1,458,811 June 12, 1923 Insulator Connector
Link for Hewlett suspension disk (see 1,633,399)
ECKERT, Grandon E.
Suspension The R. Thomas & Sons Co.
U 1,458,756 June 12, 1923 Strain Insulator
Strain insulator with improved method of connecting the metal caps
GODDARD, Walter T.
Strain Locke Insulator Corp.
U 1,458,755 June 12, 1923 Insulator
Improved method of connection sections of strain insulators
GODDARD, Walter T.
Multipart Locke Insulator Corp.
U Specimen known 1,458,754 June 12, 1923 Insulator
Multipart with outer angular, flush, mating surfaces and cemented
GODDARD, Walter T.
Multipart Locke Insulator Corp.
U 1,456,960 May 29, 1923 Joint for Articles of Ceramic and Similar Materials and Method of Producing Same
Multipart joined by sand, glaze-welding and/or differential shrinkage
AUSTIN, Arthur O.
Multipart The Ohio Brass Co.
U 1,456,716 May 29, 1923 Bail Attaching Means
Kerosene jar bail
RESEK, Marc
HU The Cleveland Metal Products Co.
U 1,454,634 May 8, 1923 Insulator
Suspension or multipart attachment using wire lacing
GODDARD, Walter T.
Suspension Locke Insulator Corp.
U 1,453,201 April 24, 1923 Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,451,968 April 17, 1923 Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,451,815 April 17, 1923 Rapid Decorating Firing Furnace or Kiln
Kiln for firing porcelain spark plug insulators
DAVENPORT, Ransom W.
Manufacturing Jeffery-Dewitt Co.
U 1,449,808 March 27, 1923 Mold
Machine press to form the glass lid to a dish and the handle knob on top
BOALS, Harry R.
Manufacturing Corning Glass Works
U 1,449,793 March 27, 1923 Glass and Process of Making Same
Boro-silicate glass made colorless by adding neodymium oxide
TAYLOR, William C.
Boron Corning Glass Works
U 1,449,694 March 27, 1923 Protective Device
Protective device to prevent arcing
PEEK, JR., Frank W.
Miscellaneous General Electric Co.
U 1,448,604 March 13, 1923 Column Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,448,096 March 13, 1923 Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,447,359 March 6, 1923 Ventilated Line Insulator
Electrose pintype insulator with holes in the center to ventilate and reduce heat
STEINBERGER, Louis
Electrose  
U 1,446,523 February 27, 1923 Insulator
Suspension, disk made of Electrose with metal cap
STEINBERGER, Louis
Suspension  
U 1,446,135 February 20, 1923 Insulator
Electrose high voltage insulator with special steel pin threaded at the bottom
STEINBERGER, Louis
Electrose  
U 1,446,067 February 20, 1923 Method of Connecting Insulator Units
Suspension, method of cementing pin
REAGAN, Frank H.
Suspension Locke Insulator Corp.
U 1,444,434 February 6, 1923 Insulator Supporting Pin
Pin with corkscrew for threading into bottom of Electrose insulator
STEINBERGER, Louis
Pin  
U 1,443,657 January 30, 1923 Insulator
Electrose suspension insulator
STEINBERGER, Louis
Suspension  
U 1,441,990 January 9, 1923 Insulator Connector
Connector for the U-bolt links for Hewlett suspension disk
MARVIN, Richard H.
Suspension The R. Thomas & Sons Co.
 1922
U 1,435,225 November 14, 1922 Insulator
Pin, wooded covered with metal for strength and to keep wood dry
GILCHREST, George Irving
Pin Westinghouse Electric & Mfg. Co.
U 1,432,706 October 17, 1922 Recuperator for Glass Furnaces and the Like
Glass furnace design
MCLAUGHLIN, William
McLaughlin 1/2 to Charles E. Norton
U 1,431,166 October 10, 1922 Glass
Boro-silicate glass
LOCKE, Fred M.
Boron  
U Specimen known 1,431,137 October 3, 1922 Joint for Articles of Ceramic and Similar Materials and Method of Producing Same
Multipart joined by sand, glaze-welding and/or differential shrinkage
AUSTIN, Arthur O.
Multipart The Ohio Brass Co.
U 1,429,369 September 19, 1922 Attaching Device
Knob
PARKER, William M.
Knob J. H. Parker & Son, Inc.
U 1,429,110 September 12, 1922 Insulator
Suspension, special U-bolt links and hook for Hewlett disks
SEAVEY, Haller D.
Suspension Maxwell Engr & Mfg. Co.
U 1,429,079 September 12, 1922 Split Insulator
Knob
KETTRON, Charles W.
Knob Illinois Electric Porcelain Co.
U 1,427,953 September 5, 1922 Attaching Device
Knob
HARRISON, Arthur W.
Knob Porcelain Appliance Corp.
U 1,427,213 August 29, 1922 Lathe
Lathe to cut insulator profile using a profile template
LAPP, John S.
Lathe Lapp Insulator Co.
U 1,426,981 August 22, 1922 Insulator
High tension strain made up of one or more ribbed insulators
GODDARD, Walter T.
Strain Locke Insulator Corp.
U 1,426,788 August 22, 1922 Insulator Strain Member
Metal interlocking members for an Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,426,516 August 22, 1922 Insulator
Electrose strain insulator with side ribs
STEINBERGER, Louis
Electrose  
U 1,426,421 August 22, 1922 Condenser Cemented Sectional Insulator
Multipart using metallic cement and metal sheath covering skirts
SONNEBORN, Sol S.
Multipart Hopewell Insulation & Mfg. Co.
U Specimen known 1,424,924 August 8, 1922 Method of Producing Clay Bodies
Vacuum process for removing air from the clay. Patent was owned by Lapp Insulator Co.
LAPP, Grover W.
Vacuum  
U 1,413,023 April 18, 1922 Method and Means for Forming Passages in Plastic Material
Suspension Hewlett design, method of cutting ring hole
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U 1,412,759 April 11, 1922 Cementless Strain Insulator
Suspension disks connected by circular clamps
STEVENS, Frank J.
Suspension Locke Insulator Corp.
U 1,409,953 March 21, 1922 Ceramic Insulating Material
Porcelain composition using Sillimanite for high electrical and mechanical strength and low coefficient of expansion, which is particularly suitable for spark plugs
JEFFERY, Joseph A.
Porcelain Jeffery-Dewitt Co.
U 1,409,091 March 7, 1922 Cement
Cement composition
GODDARD, Walter T.
Cement Locke Insulator Corp.
U Specimen known 1,407,550 February 21, 1922 Method and Machine for Forming Impressions in Plastic Articles
Threading porcelain by gyrating the thread mandrel (""wobbler"" method)
LAPP, John
Thread  
U 1,406,953 February 14, 1922 Strain Insulator
Suspension with special slotted cap and pin to improve cement joint
GODDARD, Walter T.
Suspension Locke Insulator Corp.
U 1,406,697 February 14, 1922 Self-Cooling Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,406,696 February 14, 1922 Self-Cooling Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,403,717 January 17, 1922 Insulator
Strain or suspension in compression
STEINBERGER, Louis
Electrose  
 1921
U 1,393,330 October 11, 1921 Electrical Insulator
Links for Hewlett suspension disks (see 1,110,934)
WELCH, Walter J.
TRACY, Atlee H.
Suspension H. M. Byllesby & Co.
U 1,390,118 September 6, 1921 Insulator
Knob
FRIDRICHSEN, Peter Christian Carl
Knob  
U 1,388,217 August 23, 1921 Insulator
Metal cap to secure conductor to the top of the insulator
THOMAS, Cyril H.
Miscellaneous  
U 1,385,638 July 26, 1921 Supporting Bracket
Steel pin with lag screw and spring for threads
MILLER, Charles E.
Pin  
U 1,382,483 June 21, 1921 Electric Line Wire Insulator
Self-tying slot top with circular slot
DECKER, John G.
Self-tying Slot Top  
U 1,381,838 June 14, 1921 Insulator Support
Steel pins for crossarm made from one metal rod integral to the wooden crossarm and acts a braces for the crossarm.
JACKSON, Berry B.
Pin  
U 1,381,695 June 14, 1921 Porcelain Tube Heading Machine
Machine for making wall tubes
BEATTY, Thomas W.
Wall Tube  
U Specimen known 1,381,594 June 14, 1921 Strain-Insulator Sign
Combination strain insulator and sign to indicate voltage, etc. Car-Stop They were made by the American Porcelain Co.
SAUEREISEN, Christian F.
Strain  
U 1,378,667 May 17, 1921 Cable Clamp
Cable clamp to hold the conductor under the insulator.
ECKERT, Grandon E.
Clamp The R. Thomas & Sons Co.
U 1,376,307 April 26, 1921 Insulator
Knob
AMOS, Frank M.
Knob Wheeling Tile Co.
U 1,375,974 April 26, 1921 Insulator Connector
Links for Hewlett suspension disks
PIERCE, Henry T.
MCPHEE, Angus D.
Suspension General Electric Co.
U Specimen known 1,374,998 April 19, 1921 Insulator
Multipart porcelain insulator of Faradoid design (spelling for other patents: GILCHREST, George Irving)
FORTESCUE, Charles Le G.
GILCHREST, George I.
Multipart Westinghouse Electric & Mfg. Co.
U 1,374,029 April 5, 1921 Tone Foot for Phonographs
A rubber base with glass insert to support phonograph legs
PRICKETT, William H.
Piano  
U 1,373,576 April 5, 1921 Electric Insulator
Suspension insulator composed of several parts to withstand tension
THOMAS, Percy H.
Suspension  
U 1,373,519 April 5, 1921 Lightning Rod Connector
Lightning rod coupling composed of a Y-shaped channel to hold the conductor and provide two connections
MEYER, George
Lightning Rod Coupling  
U 1,371,855 March 15, 1921 Insulator
Self-tying slot top
BULLER, Henry W.
Self-tying Slot Top  
U Specimen known 1,365,411 January 11, 1921 Guy Clamp
A strong and durable guy strain clamp.
KEARNEY, Samuel G.
Clamp  
 1920
U 1,363,673 December 28, 1920 Insulator
Suspension with internal ribbed cap and ribbed pin to improve cement joint
SCHAAKE, William
Suspension Westinghouse Electric & Mfg. Co.
U 1,362,388 December 14, 1920 High Tension Insulator
Suspension or strain of resin rod covered with ceramic to keep rod dry
BLACKWELL, Francis O.
BUCK, Harold W.
Suspension General Electric Co.
U 1,362,221 December 14, 1920 Compensating Wire Support
Metal bracket composed of two curved angle supports for three insulators to yield and absorb the strain and weight of telephone and telegraph lines
BLACKMORE, Charles C.
Bracket  
U 1,362,038 December 14, 1920 Support for Electric Conductors
Metal strap type support bracket for a pole top to support an insulator.
PLIMPTON, Bentley A.
Bracket  
U 1,361,948 December 14, 1920 Insulator
Pin with spring wire extending beyond edge of bottom pin hole
WIDMYER, James L.
Pin  
U 1,360,896 November 30, 1920 Cemented Insulator
Multipart cementing procedure evacuate air from cement, coat with tar
CREIGHTON, Elmer
Multipart General Electric Co.
U Specimen known 1,360,352 November 30, 1920 Insulator
Suspension sanded under cap and pin to improve cement adhesion
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,358,521 November 9, 1920 Device for Attaching Wires to Insulators
Tie wire using a double loop of wire
CLARK, Robert L.
Tie Wire  
U Specimen known 1,354,396 September 28, 1920 Fastening Device
Knob with ribs on nail to prevent separation
HOENIG, Harry E.
Knob 1/2 to Josiat Smith
U 1,348,534 August 3, 1920 Insulator Bracket
Bracket to attach to a cable to lead a telephone wire down to a building
BEINE, Charles H.
Bracket 1/2 to George C. Brown
U 1,348,249 August 3, 1920 Insulator Knob
Electrose knob
STEINBERGER, Louis
Knob  
U 1,348,248 August 3, 1920 Disk Suspension Insulator
Suspension, Electrose similar to Hewlett
STEINBERGER, Louis
Suspension  
U 1,346,128 July 13, 1920 Device for Attachment of Electric Conductors to Insulators
Tie wire clip
KREBS, Frederick H.
Tie Wire  
U 1,345,987 July 6, 1920 Cushion Support
Square of layered rubber with depression in the center to hold caster wheel from movement
BOCKING, Frederick William
Piano  
U 1,343,343 June 15, 1920 Fuel Reservoir
Kerosene jar
BRENNEN, John S.
HU  
U 1,342,053 June 1, 1920 Bushing Forming Machine
Machine to manufacture wall tubes and bushings
MCKNIGHT, Oscar W.
Wall Tube Brunt Tile & Porcelain Co.
U 1,339,391 May 11, 1920 Support for Line Conductors
Bracket with insulator attached to eye formed in the bracket allowing the insulator to swing freely.
HENDEE, Lem E.
   
U 1,335,801 April 6, 1920 Insulator
Electrose strain (Brown p. 69)
STEINBERGER, Louis
Electrose  
U 1,335,634 March 30, 1920 Insulator
Knob
AMOS, Frank M.
Knob Wheeling Tile Co.
U 1,333,640 March 16, 1920 Electric Insulator
Suspension with bolted on metal cap (Italy)
SEMENZA, Guido
Suspension  
U 1,333,420 March 9, 1920 Insulator Bracket
Bracket that fits around crossarm to support egg-shaped insulators
ILES, Charley S.
Bracket  
U 1,333,188 March 9, 1920 Manufacture of Hollow Articles from Horn
Manufacture of insulators from animal horn (see 1,227,680)
SEGRE, Mario
Horn  
U Specimen known 1,329,770 February 3, 1920 Insulator
Suspension type for J-D
JOHNSTON, Robert M.
Suspension Jeffery-Dewitt Co.
U Specimen known 1,329,656 February 3, 1920 Insulator
Nail knob made by Triangle M (Illinois Electric Porcelain Co.) with captivated nail. (DIXIE NAILIT)
FARGO, Arthur H.
Knob Charles Tremain
U 1,328,732 January 20, 1920 Insulator Pin
Improvement of the Lee pin (see 855,253) to allow adjustment of the insulator
HARMS, Rhinehart W.
Pin The R. Thomas & Sons Co.
U 1,328,687 January 20, 1920 Insulator Support
Thimble of metal for multipart insulator
PLIMPTON, Bentley A.
Thimble  
U 1,327,782 January 13, 1920 Process of Obtaining Combined Potassium from Minerals
Process of extracting potassium to be used in glass manufacture (see patent 1,312,053; 1,327,781)
SCHOLES, Samuel R.
Glass  
U 1,327,781 January 13, 1920 Process of Extracting Potassium from Potash-Bearing Silicate Minerals
Process of extracting potassium to be used in glass manufacture (see patent 1,312,053; 1,327,782)
SCHOLES, Samuel R.
BRENNER, Ralph F.
Glass  
U 1,326,962 January 6, 1920 Sectional Non-Rotative Insulating Knob for Supporting Electric Wires
nail-knob with nail split in the center
POINDEXTER, Alfred M.
Knob  
 1919
U 1,326,307 December 30, 1919 Method of and Means for Supporting Electric Conductors
Rod type insulators used as suspension insulators for high voltage conductors.
THOMAS, Percy H.
Suspension  
U 1,324,559 December 9, 1919 Insulating Support
Suspension cap and pin to improve strength of connection
LANYON, Samuel H.
Suspension  
U 1,315,998 September 16, 1919 Insulator Support Thimble
Thimble with standard external threads pressed out of sheet metal and attached to a steel pin
SOUTHGATE, George T.
Thimble  
U 1,315,633 September 9, 1919 Insulator Support
Bracket for knobs
MCFEATERS, George H.
Bracket  
U 1,314,682 September 2, 1919 Spur Forming Machine
Machine for making nail-knobs (see 1,517,084)
MCKNIGHT, Oscar W.
Knob Brunt Tile & Porcelain Co.
U 1,313,391 August 19, 1919 Lightning Rod Coupling
Lightning rod coupling for spiralled ""star"" shaped lightning rods to allow the ends to be screwed together
KRETZER, Sidney D.
Lightning Rod Coupling  
U 1,313,384 August 19, 1919 Battery Supporting Device
CD 40; Battery for submarines using a special battery rest insulator
HUTCHISON, Miller Reese
NORTON, Charles W.
Battery Edison Storage Battery Co.
U 1,312,053 August 5, 1919 Process of Decomposing Potassium Silicates
Process of extracting potassium to be used in glass manufacture (see patent 1,327,781; 1,327,782)
SCHOLES, Samuel R.
Glass H. C. Fry Glass Co.
U 1,311,977 August 5, 1919 Insulator Bracket
Bracket with lag screw fixed with nails for small spool insulator
KYLE, William D.
Bracket  
U Specimen known 1,311,483 July 29, 1919 Insulator
nail-knob, cap has radial ridges flush with rim of cap and base has ribbed grooves.
AMOS, Frank M.
Knob Wheeling Tile Co.
U Specimen known 1,311,067 July 22, 1919 Insulator
Multipart similar to Faradoid patent 1,374,998 (see reissue 14,888 on 6-22-1920)
GODDARD, Walter T.
Multipart  
U 1,307,878 June 24, 1919 Reservoir For Oil Stoves
Kerosene jar
PERLICK, Robert
HU  
U 1,306,670 June 10, 1919 Insulating Support
Suspension cap and pin to improve strength of connection
LANYON, Samuel H.
Suspension  
U 1,305,712 June 3, 1919 Insulator Cap
Suspension cap to receive hook with pin to fin in cap
GODDARD, Walter T.
Suspension  
U Specimen known 1,305,168 May 27, 1919 Insulator
U-124A/B, U-182A/B self-tying screw top similar to Prenzel patent 315,660
ROBERTS, Omer L.
Insulator  
U Specimen known 1,304,623 May 27, 1919 Glass
Boro-silicate glass (Corning Pyrex glass)
SULLIVAN, Eugene C.
TAYLOR, William C.
Boron Corning Glass Works
U 1,304,622 May 27, 1919 Heating Vessel
Production of glass baking dishes from Pyrex glass
SULLIVAN, Eugene C.
TAYLOR, William C.
Non-electrical Corning Glass Works
U 1,304,571 May 27, 1919 Mold for Forming Insulators or Other Porcelain Objects
Mold for bushing with undercut petticoats formed by the casting process by pouring in clay slip
KIRK, Charles J.
BRAIN, GEORGE
Mold  
U 1,303,739 May 13, 1919 Lightning Rod
Tubular lightning rod with flat end that is folded around the conductor and secured with a screw
SWENSON, John S.
STEHLIK, Frank E.
Lightning Rod  
U 1,303,324 May 13, 1919 Electric Insulator
Suspension tubular insulator with flanged top metal cap and bottom metal cap
JACKSON, Ray P.
Suspension Westinghouse Electric & Mfg. Co.
U 1,302,796 May 6, 1919 Insulator
Self-tying
HEARD, Thomas J.
Self-tying Miscellaneous  
U 1,302,158 April 29, 1919 Insulator
Knob
HARRIS, John R.
Knob  
U 1,299,914 April 8, 1919 Dispensing Receptacle
Kerosene jar
CHADWICK, Lee S.
HU The Cleveland Metal Products Co.
U 1,296,587 March 4, 1919 Insulator
Clamp for crown of large insulator to resist strain of curves
SCHAAKE, William
Clamp Westinghouse Electric & Mfg. Co.
U 1,292,451 January 28, 1919 Line Wire Insulator
miscellaneous
FORT, Louis
Miscellaneous  
U 1,291,713 January 21, 1919 Separable Part Insulator
Multipart (& suspension) with cemented, threaded metal shells screwed together
AUSTIN, Arthur O.
Multipart The Ohio Brass Co.
U 1,291,217 January 14, 1919 Adjustable Suspension Insulator
Suspension disk with adjustable length pin to equalize the potential across each disk to reduce arc-over
SONNEBORN, Sol S.
Suspension  
U 1,291,139 January 14, 1919 Insulator
Self-tying slot top with keeper nail
REESE, Rudolph R.
Self-tying Slot Top  
U 1,290,673 January 7, 1919 Sectional Pin Insulator
Multipart with sections screwed together with threaded metal bands
SONNEBORN, Sol S.
Multipart  
U Specimen known 1,290,540 January 7, 1919 Knob Insulator
Knob with 6-prong star under cap (DIXIE NAIL-IT and DIXIE SCREW-IT)
GLOCKER, Gustave
Knob  
U 1,290,147 January 7, 1919 Dead End for Electric and Telephone Wires
Dead-ending method using two strain insulators
FAIRCLOUGH, Harry
Dead-end  
 1918
U 1,286,207 December 3, 1918 Insulator Bracket
Bracket with special threaded thimble that will resist turning
BENEDICT, Paul M.
Bracket Barnes & Kobert Mfg. Co.
U 1,286,010 November 26, 1918 Suspension Device
Suspension pin to link disks
JACKSON, Ray P.
Suspension Westinghouse Electric & Mfg. Co.
U Specimen known 1,284,976 November 19, 1918 Insulator
Multipart and suspension cemented metal part designs
AUSTIN, Arthur O.
Multipart The Ohio Brass Co.
U Specimen known 1,284,975 November 19, 1918 Sanded Insulator and Method of Making Same
Multipart and suspension sanded joints (see 1,536,749)
AUSTIN, Arthur O.
Multipart The Ohio Brass Co.
U Specimen known 1,284,974 November 19, 1918 Strain Insulator
Strain, guy insulator attachment
AUSTIN, Arthur O.
Strain The Ohio Brass Co.
U 1,284,799 November 12, 1918 Knob and the Like
Knob with two vertical grooves and lag screw for mounting to building
SINDELAR, Lambert J.
Knob  
U 1,284,110 November 5, 1918 Insulator and Bracket
Bracket for spool type insulator
JOHNSON, Ewald E.
Bracket  
U 1,283,651 November 5, 1918 Lightning Arrester
Lightning arrester with hole through top of insulator similar to U-70.
BUCHANAN, Sutton R.
Lightning Arrester/U-70  
U 1,282,876 October 29, 1918 Line Conductor Support
Tree hanger with spool and lag screw
KYLE, William D.
Tree  
U 1,282,481 October 22, 1918 Multiple Section Suspension Insulator
Suspension insulator with symmetrical metal parts to reduce electrical strain
SONNEBORN, Sol S.
Suspension  
U 1,281,268 October 15, 1918 Insulator
Suspension cap and pin to improve strength of connection
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,280,172 October 1, 1918 Insulator Protector
Protective shield surrounding the insulator to protect it from damage.
CULLIGAN, Charles A.
Protective Shield  
U 1,277,304 August 27, 1918 Metal Protected High Voltage Insulator
Protective shield of metal to protect insulator
GATI, Bila
Protective Shield  
U 1,276,228 August 20, 1918 Line Wire Connector
Tie wire replacement using a preformed sheet metal loop with curved ends that fit over the line wire
KEENAN, James Condon
KEENAN, Michael Henry
Tie Wire  
U 1,274,555 August 6, 1918 Choke Coil Mounting
Secure mounting of a choke coil on top of two multipart insulators fitted with metal brackets clamped to the crown (see 1,574,964 and 1,663,007)
JACOBS, Ernest H.
Choke Coil Electrical Engineers Equipment Co.
U 1,273,313 July 23, 1918 Insulator
Knob with metal clip
BEATTY, Thomas W.
Knob  
U 1,273,015 July 16, 1918 Electric Insulator
Suspension made of several parts bolted together
THOMAS, Percy H.
Suspension  
U 1,271,596 July 9, 1918 Insulator Support
Bracket for knobs
MAYER, Walter S.
Bracket Electric Service Supplies Co.
U Specimen known 1,270,335 June 25, 1918 Fuse Device
Fuse holder or cut-out with knife insert. (See patent 1,144,732)
SCHWEITZER, Edmund O.
HERZ, Alfred
Fuse Holder  
U 1,268,981 June 11, 1918 Strain Clamp for Aerial Cables
Clamp to securely fasten high tension conductors to suspension insulators.
LAPP, John S.
Suspension Clamp Locke Insulator Mfg. Co.
U 1,268,972 June 11, 1918 Insulator Support
Bracket support for spool insulator
HENDEE, Lem E.
Bracket  
U 1,268,315 June 4, 1918 Insulator Thimble
Thimble (threaded) for cementing in pin hole
BECKER, Raymond A.
MADDEX, Thomas E.
Thimble  
U 1,266,711 May 21, 1918 Strain Insulator
Suspension metal cap design
PLIMPTON, Bentley A.
Suspension  
U 1,266,615 May 21, 1918 Insulator Clamp
Clamp for crown of large insulator
NICOL, David S.
Clamp Shawinigan Water & Power Co.
U 1,266,435 May 14, 1918 Telephone Insulator
Self-tying screw top
ENGLISH, Roy W.
Self-tying Screw Top  
U 1,266,175 May 14, 1918 Lightning Protector
Lightning rod elevated above the building with multiple downwardly curving points
TESLA, Nikola
Lightning Rod  
U 1,264,396 April 30, 1918 Lightning Arrester
Lightning arrester attached to M-3021
HAYS, Frederick W.
Lightning Arrester/M-3021  
U 1,263,746 April 23, 1918 Insulator
Self-tying screw top with slotted pin for holding wire
CREAMER, William H.
Self-tying Screw Top  
U 1,260,160 March 19, 1918 Insulator
Self-tying
DISBENNET, Charles
Self-tying Miscellaneous  
U 1,259,385 March 12, 1918 Suspension Insulator
Suspension insulator (see 1,129,520)
FORTESCUE, Charles Le G.
Suspension Westinghouse Electric & Mfg. Co.
U 1,258,816 March 12, 1918 Insulator Pin
Steel pin with conical support base that fits in grooved steel base that fits over the top of the crossarm
ROSENFELD, Mortimer C.
Pin  
U Specimen known 1,258,802 March 12, 1918 Insulator Support
Tree type - swinging type with bracket and roller on pin type insulator
MORGAN, Andrew J.
Tree  
U 1,258,211 March 5, 1918 Insulator Support
Multipart supporting pin
GODDARD, Walter T.
Multipart Locke Insulator Mfg. Co.
U 1,257,983 March 5, 1918 Insulator
Self-tying
DE VAUGHN, Clyde T.
Self-tying Miscellaneous  
U 1,257,769 February 26, 1918 Telephone Pole Cross Arm
Crossarm made of U-shaped metal channel iron fitted with knob insulators bolted to the crossarm. A lower crossarm is then bolted on its ends to the upper crossarm.
VINCELL, Lafayette M.
Crossarm  
 1917
U Specimen known 1,251,416 December 25, 1917 Insulator
U-186 (improved)
PURKEY, Benjamin S.
U-186  
U 1,251,097 December 25, 1917 Strain Insulator
Suspension using metal rings to secure pin and cap
PECK, John M.
Suspension Locke Insulator Mfg. Co.
U 1,251,013 December 25, 1917 Insulator Joint
Multipart without cement held by adjoining metal bands
GODDARD, Walter T.
Multipart  
U 1,250,387 December 18, 1917 Electric Insulator
Suspension made of several parts bolted together
THOMAS, Percy H.
Suspension  
U Specimen known 1,249,820 December 11, 1917 Insulator
Composition insulator with side cable clamp
PHARO, Harry A.
SCHAAKE, William
Composition Westinghouse Electric & Mfg. Co.
U 1,248,498 December 4, 1917 Suspension Device for Insulators
Suspension pin to link disks
JACKSON, Ray P.
SCHAAKE, William
Suspension Westinghouse Electric & Mfg. Co.
U 1,247,531 November 20, 1917 Support for Line Wires
Tie wire clip
HEAD, Vernon
Tie Wire  
U 1,246,879 November 20, 1917 Valve
Kerosene jar valve
CHADWICK, Lee S.
HU The Cleveland Metal Products Co.
U 1,246,461 November 13, 1917 Strain Insulator
Suspension metal cap design
PLIMPTON, Bentley A.
Suspension  
U 1,246,304 November 13, 1917 Support for Electric Conductors
Bracket for 3 large insulators for pole top
MUELLER, Otto
HAMER, William D.
Bracket Electric Service Supplies Co.
U 1,245,940 November 6, 1917 Insulator
Suspension string of various size disks to balance electrical capacitance
MARVIN, Richard H.
Suspension The R. Thomas & Sons Co.
U 1,244,118 October 23, 1917 System of Lightning Conductors
System of lightning rods to form a metallic cage surrounding the building
MULLEN, George Allen
Lightning Rod  
U 1,242,907 October 16, 1917 Insulator
Suspension cap and pin to improve strength of connection
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,241,929 October 2, 1917 Insulator
Self-tying slot top and clip
DADE, William A.
MORGAN, Richard E.
Self-tying Slot Top  
U 1,241,528 October 2, 1917 Insulator
Suspension with shells nested together by means of external threads
LINCOLN, Paul M.
Suspension Westinghouse Electric & Mfg. Co.
U 1,240,575 September 18, 1917 Method of Preparing Ceramic Articles for Handling
Method of manufacturing clay bodies for porcelain insulators
JEFFERY, Joseph A.
Manufacturing  
U Specimen known 1,240,330 September 18, 1917 Insulator and Support Therefor
Clamp type
FORT, Louis
Clamp Type  
U 1,239,902 September 11, 1917 Insulator
Radio strain insulator
GODDARD, Walter T.
Radio  
U 1,238,768 September 4, 1917 Insulator
Suspension cap and pin to improve strength of connection
HILL, Gregory C.
Suspension  
U 1,237,843 August 21, 1917 Insulator Support for Towers
An insulator to support radio antenna towers composed of a metal base and several porcelain sections that are cemented together.
WARD, John W.
Antenna Support Pittsburg High Voltage Insulator Co.
U 1,236,886 August 14, 1917 Insulator for Telegraph and Telephone Wires
Bracket composed of three grooved spool insulators arranged to allow the line wire to move horizontally to maintain the tautness of the line.
SORENSEN, Arvid C.
Bracket  
U 1,236,668 August 14, 1917 Insulator Clamping Device
Clamp for crown of large insulator
BROWN, James M.
Clamp Westinghouse Electric & Mfg. Co.
U 1,235,592 August 7, 1917 Device for Attaching Conductors to Insulators
Tie wire preformed in such a way to make attachment easier
PARRA, Henri
Tie Wire Soc. H. Parra & Cie.
U 1,235,106 July 31, 1917 Insulator Attachment
Metal clip mounted in top of insulator to secure the conductor
BURNETT, Adelbert C.
Tie Wire  
U 1,234,313 July 24, 1917 Insulator
Self-tying
EFFRIG, Anthony F.
Self-tying Miscellaneous  
U 1,234,205 July 24, 1917 Strain Insulator
Suspension using metal jaws inside to secure pin instead of using cement
OSBORNE, David H.
Suspension Locke Insulator Mfg. Co.
U 1,233,486 July 17, 1917 Electrical Insulator
Boro-silicate glass
LOCKE, Fred M.
Boron  
U 1,233,475 July 17, 1917 Insulator
Clamp type with lag screw
HUDSON, Christopher C.
Clamp Type  
U Specimen known 1,233,296 July 17, 1917 High Tension Insulator
Suspension disk with petticoats and metal cap with projecting flange
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U Specimen known 1,232,354 July 3, 1917 Insulator
nail-knob
MAIR, John E.
Knob Brunt Tile & Porcelain Co.
U 1,232,278 July 3, 1917 Insulator
Suspension disk cementing method & split, eye-ring pin design
GODDARD, Walter T.
Suspension  
U 1,231,090 June 26, 1917 Suspension Means for Strain Insulators
Link connectors for suspension disks
STEINBERGER, Louis
Suspension  
U 1,231,068 June 26, 1917 Insulator Support for Cross Arms
Bracket with insulator pins that fits around the crossarm
SAYLOR, Charles C.
Bracket  
U 1,230,521 June 19, 1917 Bracket
Tree insulator similar to the Cutter CD 1038 except with diagonal slot to secure wire, two holes for nails and two holes for tying to tree limbs
ROSS, George
Insulator  
U Specimen known 1,229,272 June 12, 1917 Insulator
CD 210 with top saddle groove (see 954,350)
IRWIN, John J.
Insulator  
U 1,228,711 June 5, 1917 Connecting Device for Chain-Type Insulators
Suspension link coupling
STEINBERGER, Louis
Suspension  
U 1,228,349 May 29, 1917 Electric Insulator
Self-tying screw top
MUELLER, Auguste Robert
Self-tying Screw Top  
U 1,227,680 May 29, 1917 Method of Screw-Threading Articles Made of Horn
Method of threading insulators made of animal horn (see 1,333,188)
SEGRE, Mario
Horn  
U 1,226,795 May 22, 1917 Insulator Press
Insulator press
NEWBY, William
Press William I. Lourie
U 1,226,088 May 15, 1917 Insulator and Composition Material for Insulating and Other Purposes
Boro-silicate glass
LOCKE, Fred M.
Boron  
U 1,225,460 May 8, 1917 Insulator Wall Bracket
Bracket for rack knobs
MCCARTHY, James B.
Bracket National Metal Molding Co.
U 1,225,147 May 8, 1917 Insulator
Boro-silicate glass
LOCKE, Fred M.
Boron  
U 1,223,909 April 24, 1917 Disk Strain Insulator
Suspension or disk strain made of Electrose with spiraling ridges on each side
STEINBERGER, Louis
Suspension  
U 1,223,792 April 24, 1917 Apparatus for Use in Manufacturing Articles of Ceramic Material
Machine for manufacturing spark plugs
JEFFERY, Joseph A.
JEFFERY, Benjamin A.
Manufacturing  
U 1,222,952 April 17, 1917 Fuse Device
Fuse holder with plug insert to hold the fuse. (see reissue 14,844)
HERZ, Alfred
Fuse Holder 1/2 to Edmund O. Schweitzer
U 1,222,255 April 10, 1917 Standard Fence Stay Anchor Rod and Lightning Rod
Lightning rod for barbed wire fence
ALVERSON, Lewis
Lightning Rod Fence  
U 1,221,893 April 10, 1917 Safety Repair Device for High Voltage Transmission Lines
Clamp to hold conductor to insulator while repairs are made
NEELEY, George S.
Clamp 1/2 to Thomas O. Moloney
U 1,221,225 April 3, 1917 Floor Protecting Attachment for Furniture
Cup of wood or rubber to hold caster wheel and sheet metal insert to secure caster from movement
SCHAUERMANN, Edward
Piano The Hold Fast Caster Cup Co.
U 1,220,333 March 27, 1917 Insulator Clamp
Clamp, metal to secure conductor to insulator
HATCH, Edwin G.
Clamp  
U 1,219,862 March 20, 1917 Separable Insulator Thimble Structure
Thimble designed to be removable with external & internal threads
PEIRCE, JR., Charles L.
Thimble Hubbard & Co.
U 1,219,746 March 20, 1917 Insulator Bracket
Pin, side pin type made of sheet metal
KEPPLER, Lewis F.
Pin  
U 1,219,450 March 20, 1917 Insulator
Suspension with interlocking linkage similar to Hewlett and hog liver
FOWLE, Frank F.
Suspension  
U Specimen known 1,218,181 March 6, 1917 Insulator Knob
nail-knob made by Cook Pottery Co. known as the ""Wedge"".
HOMER, John W.
Knob  
U 1,217,508 February 27, 1917 Insulator
Strain and suspension with special metal links for superior strength
SCHAAKE, William
Strain/suspension Westinghouse Electric & Mfg. Co.
U 1,217,315 February 27, 1917 Insulator
Knob
KENDIG, Julian H.
Knob  
U 1,217,032 February 20, 1917 Insulator for Electric Wires
Self-tying twist lock type
LYON, Cody
Self-tying Twist  
U 1,216,170 February 13, 1917 Lightning Rod Connector
Lightning rod connector made of sheet metal and folded at various points to secure the rod to the conductor
RUSSELL, William F.
Lightning Rod Coupling  
U Specimen known 1,216,000 February 13, 1917 Electrical Insulator
Strain with drain holes
SCULLY, Thomas
Strain  
U 1,215,883 February 13, 1917 Crosstree for Telegraph Poles
Large blocks of wood securing in between the blocks halves of a stone or porcelain insulator mounted on a crossarm to secure the wire
SIMPSON, John Stewart
Insulator  
U 1,215,549 February 13, 1917 Electric Conductor Insulating Support
Suspension with method of balancing the electrical load across the string
KOONTZ, JR., John A.
Suspension 1/2 to Beardsley/1/4 to Shoemaker
U 1,215,245 February 6, 1917 Tie Wire for Insulators
Tie wire clip
BOYTER, Robert L.
Tie Wire  
U 1,214,652 February 6, 1917 Lightning Rod Structure
Tubular lightning rod points with Y-shaped attachment to conductor by means of a sheet metal connector folded at various points during installation to secure the rod to the conductor
CURTI, John E.
Lightning Rod  
U 1,213,211 January 23, 1917 Current Distributing Apparatus
Bracket attached below the insulator to allow tie-off and running of multiple service wires from the same main power conductor
KLAUBER, Laurence M.
CAVELL, Ray C.
Service Drop San Diego Consolidated Gas and Electric Co.
U Specimen known 1,213,011 January 16, 1917 Device for Connecting Outside Wires to Buildings
Odd cylindrical knob with off-center screw hole and external grooves for attaching wires to buildings (see reissue 14,312 on 6-5-1917) [Angle Insulator Co.]
RAGOTZKY, Philip C.
Knob  
U 1,213,002 January 16, 1917 Insulator
Mine insulator
PIERCE, Frank C.
Mine  
U 1,212,708 January 16, 1917 Wire Clamp
Cable clamp for Electrose suspension disks
STEINBERGER, Louis
Suspension  
U 1,212,707 January 16, 1917 Detachable Connection for Chain Links
Link connectors for Electrose suspension disks
STEINBERGER, Louis
Suspension  
U 1,212,706 January 16, 1917 Disk Strain Insulator
Suspension or disk strain made of Electrose with spring bar to allow slight vertical movement
STEINBERGER, Louis
Suspension  
U 1,212,704 January 16, 1917 Disk Strain Insulator
Suspension or disk strain made of Electrose with corrugations top and bottom
STEINBERGER, Louis
Suspension  
U 1,212,703 January 16, 1917 Disk Type Chain Insulator
Suspension made of Electrose with special interlocking links
STEINBERGER, Louis
Suspension  
U 1,212,673 January 16, 1917 Insulator Supporting Bracket
Bracket, sheet metal U-shaped to fit over crossarm and threads made of a spring to secure insulator
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,212,547 January 16, 1917 Automatic Insulator
Clamp type
PARENT, Rufus A.
Clamp Type  
U 1,212,394 January 16, 1917 Insulator Support
Bracket, sheet metal U-shaped with spring clip to secure insulator
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,210,687 January 2, 1917 Insulator Suspension Bracket
Bracket, sheet metal U-shaped for long spans attached to a cable
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,210,686 January 2, 1917 Insulator Support
Bracket, sheet metal U-shaped with yielding split threaded thimble
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,210,685 January 2, 1917 Insulator Support
Bracket, sheet metal U-shaped with attached threaded wood thimble
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
 1916
U 1,208,874 December 19, 1916 Insulator
Self-tying
WILSON, William E.
Self-tying Miscellaneous  
U 1,207,321 December 5, 1916 Insulator Support
Pin, metal to fit loose in sheet metal thimble
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,206,882 December 5, 1916 Insulating Tube
Wall tube with wedge projections
MORENE, Carl T.
Wall Tube  
U 1,206,846 December 5, 1916 Insulator
Hole in crown with mercury receiving ends of line wires & clamp
HOPKINS, Roy S.
Hole  
U 1,206,160 November 28, 1916 High Potential Insulator
Electrose modified pin type
STEINBERGER, Louis
Electrose  
U 1,206,159 November 28, 1916 Safety Strain Disk Insulator
Strain made of Electrose with special interlocking links
STEINBERGER, Louis
Strain  
U 1,206,158 November 28, 1916 Safety Strain Insulator
Suspension made of Electrose with special interlocking links
STEINBERGER, Louis
Suspension  
U 1,205,971 November 28, 1916 Electric Insulator
Threads (metallic) or sleeve attached electrolytically
BUSCHETTI, Claudis
Thread  
U 1,205,812 November 21, 1916 Strain Insulator
Suspension made of Electrose similar to Hewlett with interlocking links
STEINBERGER, Louis
Suspension  
U 1,205,069 November 14, 1916 Insulator
Self-tying slot top
WILLIAMS, Roger A.
Self-tying Slot Top  
U 1,204,745 November 14, 1916 Pressure Die for Insulator Pressing Molds
Insulator threading press
DAHL-JENSEN, Jens Peter
Press  
U 1,204,196 November 7, 1916 Adjustable Support for Insulators
Pin made of two parts and loop on one end to clamp the insulator.
SCHULZ, Rudolf W.
Pin  
U 1,202,885 October 31, 1916 Insulator Pin
Pin, metal with bolting bracket and spring for threads
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,202,419 October 24, 1916 Insulator Supporting Pin
Pin, metal with bolting bracket and spring for threads
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,202,418 October 24, 1916 Insulator Support
Pin, metal with bolting bracket and threaded for cementing type thimble
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,201,325 October 17, 1916 Insulator
Knob
MARKEL, Harley R.
Knob  
U 1,201,295 October 17, 1916 Insulator Support
Pin, cast metal with lag screw
HENDEE, Lem E.
Pin  
U 1,200,294 October 3, 1916 Insulator
Self-tying slot top
AYRE, William G.
SHAW, Frederick L.
Self-tying Slot Top  
U 1,199,735 September 26, 1916 Insulator Pin
Pin, metal to prevent turning of threaded head (improvement of 1,094,852)
PORTER, John W.
Pin Electric Service Supplies Co.
U 1,198,732 September 19, 1916 Plunger for Forming Insulators
Plunger with holes to release pressure (see 838,727 and reissue 12,934)
LOCKE, Louis Peer
Plunger Locke Insulator Mfg. Co.
U 1,198,137 September 12, 1916 Insulator
Suspension insulator with an outer covering of spun steel or iron.
LINCOLN, Paul M.
Suspension Westinghouse Electric & Mfg. Co.
U 1,198,131 September 12, 1916 Insulator
Method of cementing and attaching nested porcelain shells
JACKSON, Ray P.
  Westinghouse Electric & Mfg. Co.
U 1,197,660 September 12, 1916 Insulator Support
Bracket, sheet metal stamped in U-bracket with attached threads
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,197,659 September 12, 1916 Insulator Support
Bracket, sheet metal stamped in U-bracket with attached threads
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,196,273 August 29, 1916 Cross Arm Saddle
Saddle for pin that fits on top of crossarm
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,196,272 August 29, 1916 Insulator Pin
Pin, metal with sheet metal support cone and threads
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,195,263 August 22, 1916 Insulator Support
Bracket, sheet metal stamped in U-bracket with attached threads
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U Specimen known 1,194,957 August 15, 1916 Insulator
Cochrane Bell suspension.
COCHRANE, Harry H.
Suspension  
U 1,194,747 August 15, 1916 Insulator
Knob
KELLS, Herbert R.
Knob  
U 1,194,690 August 15, 1916 Telephone and Telegraph Pole Construction
Bracket and pin supports made of metal and attached to crossarm whereby the pins slide on the bracket for adjustment of position
ADAMS, Harry E.
Pin/bracket  
U 1,193,788 August 8, 1916 Glass Furnace
Glass furnace design with large doghouse
HOLMES, Minot K.
HI Hemingray Glass Co.
U 1,193,787 August 8, 1916 Glass Working Machine
Press for making insulators
HOLMES, Minot K.
Press Hemingray Glass Co.
U 1,193,602 August 8, 1916 Insulator Supporting Fixture
Bracket, composed of sheet metal parts easily assembled
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,193,521 August 8, 1916 Wire Hanger
Wire hanger for catenary suspension of trolley wires
CUNNINGHAM, Edward Robert
Wire Hanger  
U 1,193,185 August 1, 1916 Machine for Internally Shaping Telegraph Insulators and the Like
Machine to cut out and shape the internals of an insulator
PODMORE, William
Press 1/2 to Henry Lewis Doulton
U 1,192,690 July 25, 1916 Insulator Supporting Structure
Pin (metal) for mounting on crossarm in combination with a threaded thimble
SCHAAKE, William
Pin Westinghouse Electric & Mfg. Co.
U 1,191,595 July 18, 1916 Machine for Forming Porcelain Ware
Machine to cut out and shape the Hewlett suspension disk
HEWLETT, Edward M.
Suspension General Electric Co.
U 1,191,186 July 18, 1916 Insulator
Multipart insulator composed of easily assembled identical shells
JACKSON, Ray P.
Multipart Westinghouse Electric & Mfg. Co.
U Specimen known 1,190,766 July 11, 1916 Insulating Support
Battery support insulator
HUBBARD, Albert S.
Battery Gould Storage Battery Co.
U 1,190,763 July 11, 1916 Insulator Clamp
Insulator clamp to secure the conductor in the top groove of a multipart insulator.
HATCH, Edwin G.
Clamp Clark Electric and Mfg. Co.
U 1,190,286 July 11, 1916 Insulator
Self-tying non-pintype
HARLAN, Earle
Self-tying Miscellaneous  
U 1,189,088 June 27, 1916 Bracket for Electrical Wire Construction
Bracket that bolts through the crossarm with pin above and below the crossarm
GARDNER, George Stafford
Bracket John Randolph Fletcher
U 1,188,599 June 27, 1916 Self-Tying Insulator
Cleat - self-tying
YOUMANS, Salem L.
MCLAUGHLIN, James A.
Cleat  
U Specimen known 1,187,378 June 13, 1916 Sliding Shoe for Furniture
Glass slider for end of furniture leg
OSBORN, Alexander F.
Miscellaneous Hard Manufacturing Co.
U 1,186,862 June 13, 1916 Insulator
Knob
SWARTZ, Otto P.
Knob  
U 1,186,857 June 13, 1916 High Tension Strain Insulator
Rigid suspension insulator made of multiple units
STEINBERGER, Louis
Electrose  
U 1,186,203 June 6, 1916 Apparatus for Use in Manufacturing Articles of Ceramic Material
Method of manufacturing spark plugs
JEFFERY, Joseph A.
JEFFERY, Benjamin A.
Manufacturing  
U 1,185,700 June 6, 1916 Insulator for Trolley Wires
Trolley hanger insulator
MOSS, Benton C.
Trolley 1/2 to Charles Fritts
U 1,185,687 June 6, 1916 Glass Gathering and Shaping Machine
Improvement in Owens bottle-blowing machine (see patent 1,764,268)
LA FRANCE, Richard
Manufacturing The Toledo Glass Co.
U 1,184,963 May 30, 1916 Insulator Pin
Pin, metal with circular groove to receive threaded wooden pin
KENNEDY, Matthew G.
Pin  
U 1,184,336 May 23, 1916 Combination Wire Support for Electric Distribution
Pin bracket for poles
FAY, John L.
Bracket W. N. Matthews & Brother Inc.
U 1,182,940 May 16, 1916 High Voltage Insulator
Suspension, two part made of Electrose
STEINBERGER, Louis
Suspension  
U 1,182,191 May 9, 1916 Support for Insulators
Bracket, metal with spring to relieve horizontal strain
MALLOY, John W.
GILMAN, John
Bracket  
U 1,181,399 May 2, 1916 Lightning Rod Connecting Clamp
Coupling for connecting lightning rods to conductor which clamps around both ends
MCCULLOUGH, William H.
Lightning Rod Coupling J. W. Moorehead, Rayburn Hunter & Co.
U 1,181,362 May 2, 1916 Insulating Support for Storage Batteries
Battery insulator support cup made of earthenware (see 1,146,298)
AMBRUSTER, Cornelius
Battery  
U 1,179,395 April 18, 1916 Insulating Support for Storage Battery Tanks
Battery support insulator with lead cup underneath
BECK, Harold M.
Battery  
U Specimen known 1,179,127 April 11, 1916 Insulator
Knob, split with metal clip to hold the parts together
MARKEL, Harley R.
Knob  
U 1,178,539 April 11, 1916 Insulator
Cleat
SCHAUB, Ferdinand
Cleat  
U 1,178,383 April 4, 1916 Insulator
Self-tying cylindrical insulator with slot for line wire and bracket that fits around the insulator to hold the wire in place
CASLOW, William H.
Self-tying Miscellaneous  
U 1,177,996 April 4, 1916 Insulator
Knob with two nail holes
CURRY, William J.
ANDREWS, William A.
Knob  
U 1,177,867 April 4, 1916 Insulator Protector
Protective shield of metal to protect glass insulator
JOHNSON, August
Protective Shield  
U 1,177,354 March 28, 1916 Line Insulator
Suspension interconnecting linking device
RANSOM, Daniel Parke
Suspension  
U 1,177,315 March 28, 1916 Insulator
Self-tying via side fingers
GEE, Warn George
Self-tying Miscellaneous 1/2 to W. A. Snapp
U Specimen known 1,176,801 March 28, 1916 Insulator
Crossover block (see reissue 14,256 on 2-6-1917)
WILLIAMS, William H.
Crossover  
U 1,176,629 March 21, 1916 Tree Insulator and Wire Supporter
Tree hanger
WALLACE, William H.
Tree  
U 1,176,618 March 21, 1916 Insulator
Self-tying
SWEARINGEN, Walter E.
Self-tying Miscellaneous  
U 1,176,590 March 21, 1916 Protected Insulator
Two part round or ball-shaped insulator secured with a metal cover. The line wire is clamped between the two insulator parts and the metal protective cover holds the parts securely against the wire.
MOCK, John H.
Protective Shield  
U 1,176,333 March 21, 1916 Insulator Pin
Pin formed of sheet metal fitting around crossarm
BAKER, Jason
Pin  
U 1,176,137 March 21, 1916 Insulator Bracket
Bracket, metal with detachable pins
ETTE, Charles G.
Bracket St. Louis Malleable Casting Co.
U 1,175,849 March 14, 1916 Insulator Base
miscellaneous circular holder with metal support
WARREN, Frederic A.
Miscellaneous  
U 1,175,078 March 14, 1916 Insulator Supporting Fixture
Bracket, metal pipe to support three insulators at top of pole
PEIRCE, JR., Charles L.
Bracket  
U 1,175,077 March 14, 1916 Sheet Metal Pole Arm
Crossarm made of sheet metal.
PEIRCE, JR., Charles L.
Crossarm  
U 1,174,607 March 7, 1916 Insulator Supporting Pin
Pin, metal threaded to receive metal bushing cemented in insulator
PEIRCE, JR., Charles L.
Pin  
U 1,174,287 March 7, 1916 Insulator Support
Pin - hollow metal & bolted to crossarm for CD 257
ROSENFELD, Mortimer C.
Insulator  
U 1,174,002 February 29, 1916 Insulator
Self-tying ""T"" top
ETTINGER, Victor P.
Self-tying Miscellaneous  
U 1,173,994 February 29, 1916 High Tension Insulator
Suspension with ribbed tubes and interlocking links
BARFOED, Svend
Suspension 2/5 to Otis Gibson
U 1,172,963 February 22, 1916 Insulator
Self-tying miscellaneous using odd projections on top and wire clamping device
ENGELHARDT, August J.
Self-tying Miscellaneous  
U 1,171,267 February 8, 1916 Insulator for Electrically Charged Wires
Wall tube with metal gripping strip
SMITH, George R.
Wall Tube  
U 1,171,205 February 8, 1916 Process of Manufacturing Porcelain Articles
Method of forming the shape of a spark plug insulator from a dry blank
JEFFERY, Joseph Arthur
JEFFERY, Benjamin Alfred
Manufacturing  
U 1,171,127 February 8, 1916 Metallic Cross Arm Pin
Pin, sheet metal formed ribs and threads
LINDHOLM, John G. S.
Pin Anders P. Lindholm
U 1,171,126 February 8, 1916 Insulator Pin
Pin, sheet metal formed cone and threads
LINDHOLM, John G. S.
LINDHOLM, Anders P.
Pin Anders P. Lindholm
U 1,170,287 February 1, 1916 Method of Making Insulators
Suspension cementing method (high temp and humidity)
LAPP, John S.
Suspension Locke Insulator Mfg. Co.
U 1,170,260 February 1, 1916 Lightning Rod
Tubular lightning rod points with Y-shaped attachment to conductor
HOOVENS, Amasa G.
Lightning Rod  
U 1,169,545 January 25, 1916 Insulator Bracket
Bracket attached to pole or wall
KOBERT, Frank P.
Bracket  
U Specimen known 1,169,246 January 25, 1916 Insulator
Wire hanger [only 5 known]
FOLSTAD, Almer J.
Wire  
U 1,169,011 January 18, 1916 Insulator
Glass insulator with internal reinforcement for strength
COOK, Harry A.
Glass  
U 1,168,796 January 18, 1916 Wire Holder and Insulator
Self-tying
FRENCH, Clarkson S.
Self-tying Miscellaneous  
U 1,168,031 January 11, 1916 Suspension Type Insulator
Suspension bell-shaped insulators
RANDALL, Karl C.
Suspension Westinghouse Electric & Mfg. Co.
U 1,167,208 January 4, 1916 Insulator
Self-tying screw top
OPPELT, William
Self-tying Screw Top 1/3 to Harry Gamber
U 1,167,042 January 4, 1916 Insulator Support
Bracket for large multipart porcelain insulators
BOOZER, Ralph C.
Bracket Joslyn Mfg. & Supply Co.
U 1,167,041 January 4, 1916 Insulator Support
Pin, split metal bolted together below threads
BOOZER, Ralph C.
Pin Joslyn Mfg. & Supply Co.
U 1,166,928 January 4, 1916 Insulator Supporting Bracket
Bracket mounted on side of pole for one insulator
PEIRCE, JR., Charles L.
Bracket  
 1915
U 1,166,394 December 28, 1915 Spool Type Disk Strain Insulator
Suspension composed of ribbed spools made of Electrose
STEINBERGER, Louis
Electrose  
U 1,166,393 December 28, 1915 Insulator
Electrose high tension pintype insulator
STEINBERGER, Louis
Electrose  
U 1,166,392 December 28, 1915 Insulator
Electrose strain that can be bolted between two crossarms
STEINBERGER, Louis
Electrose  
U 1,166,391 December 28, 1915 Insulator
Disk type strain with petticoats
STEINBERGER, Louis
Electrose  
U 1,164,739 December 21, 1915 Method of Making Insulating Devices
Manufacturing technique to make long bushings with petticoats by stacking them on a fired core and fusing the petticoats to the core
MERSHON, Ralph D.
Manufacturing  
U 1,163,181 December 7, 1915 Lightning Rod Coupling
Coupling for spiral ""star"" shaped lightning rods (see 297,290)
SCHMITT, Eugene A.
Lightning Rod Coupling Cole Brothers Lightning Rod Co.
U 1,163,132 December 7, 1915 Insulator Pin
Insulator pin with two shanks that are driven into the mine ceiling or wall at right angles to each other in order to more securely hold the insulator.
ETTE, Charles G.
Pin/mine St. Louis Malleable Casting Co.
U 1,163,114 December 7, 1915 Insulator
Cleat
STAHL, Loren
Cleat  
U 1,162,855 December 7, 1915 Lightning Rod
Coupling for lightning rods and conductors whether hollow or cable design
GOETZ, Julius F.
Lightning Rod Coupling  
U 1,161,080 November 23, 1915 Insulator
Self-tying screw top
SPICER, Frank M.
Self-tying Screw Top  
U 1,160,546 November 16, 1915 Disk Strain Insulator
Suspension made of Electrose like fishtail Hewlett
STEINBERGER, Louis
Electrose  
U 1,160,543 November 16, 1915 High Voltage Strain Insulator
Suspension made of Electrose units
STEINBERGER, Louis
Electrose  
U 1,159,825 November 9, 1915 Receptacle Closure
Fruit jar closure (the Bloom Jar Co. took over the California Glass Insulator Co.)
BLOOM, David
Jar  
U 1,159,798 November 9, 1915 Insulating Tube
Tubes (insulating) made by winding long strips of paper (machine for making)
REYNDERS, Arthur B.
Wall Tube Westinghouse Electric & Mfg. Co.
U 1,159,409 November 9, 1915 Electric Insulator
Multipart bus bar type that can be screwed together
MULLER, Auguste R.
Multipart  
U 1,158,149 October 26, 1915 Insulator Support
Pin, metal with spring for threads (improvement on 856,488)
PEIRCE, JR., Charles L.
Pin  
U 1,158,105 October 26, 1915 Insulating Tube
Wall tube with wedge projections (made by Illinois Electric Porcelain Co.)
CALLENDER, Edwin F.
Wall Tube 1/2 to Belle Callender
U 1,157,612 October 19, 1915 Die for Insulators
Plunger to form suspension petticoats and threaded pinhole
BENNETT, Cornelius Van Dyke
Plunger Locke Insulator Mfg. Co.
U 1,157,037 October 19, 1915 Insulator Supporting Structure
Bracket stamped from sheet metal and curved upward with spring for threads
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,157,036 October 19, 1915 Insulator Supporting Fixture
Bracket for holding spool insulator vertically and supported with a rod
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,156,442 October 12, 1915 Insulator
Electrose suspension with U-bolt connectors, arcing hood over the top and arcing ring below the insulator
STEINBERGER, Louis
Electrose  
U Specimen known 1,156,163 October 12, 1915 Manufacture of High Potential Electric Conductors
Boro-silicate glass & porcelain
LOCKE, Fred M.
Boron  
U 1,153,617 September 14, 1915 Lightning Rod
Lightning rod made of flat metal coiled helically to form a hollow tube and then wires spiralled around the outside
GOETZ, Julius F.
Lightning Rod  
U 1,152,211 August 31, 1915 Secondary Rack
Secondary rack built away from the pole.
PEIRCE, JR., Charles L.
Secondary Rack  
U 1,151,179 August 24, 1915 Insulator
Self-tying slot top
HARRIS, Edwin D.
Self-tying Slot Top 1/2 to Arthur Mueller
U 1,150,907 August 24, 1915 Lightning Rod Terminal
Lightning rod ground terminal to keep the earth wet to improve conduction to ground
THOMPSON, George E.
Lightning Rod  
U 1,150,697 August 17, 1915 Insulator
Self-tying screw top
NEELY, Zen W.
LEWIS, George A.
Self-tying Screw Top  
U 1,149,282 August 10, 1915 Insulator Supporting Fixture
Bracket (various styles) made by bending pipe
PEIRCE, JR., Charles L.
Bracket  
U 1,149,017 August 3, 1915 Insulator
Self-tying via side slot
BALLIET, Ray
Self-tying Miscellaneous  
U 1,147,757 July 27, 1915 Insulator Supporting Structure
Bracket for 3-phase circuit using multipart insulator oriented in shape of >
SEYLER, Carl P.
Bracket  
U Specimen known 1,147,498 July 20, 1915 Divided Insulator
Reversible nail-knob
FREEMAN, Edgar H.
Knob Trenton Porcelain Co.
U 1,147,065 July 20, 1915 Insulator Clamp and Bracket
Steel bracket and pin combination that fits around the crossarm
ZIEG, Joseph
Bracket  
U 1,146,298 July 13, 1915 Insulating Support for Storage Batteries
CD 35, CD 36; Battery insulator with a lead cup sitting on an earthenware pedestal cup (see 1,181,362)
AMBRUSTER, Cornelius
Battery  
U 1,146,201 July 13, 1915 Electric Wire Insulator
Self-tying screw top with slotted top
NUNN, Silvester
Self-tying Screw Top  
U Specimen known 1,144,732 June 29, 1915 Fuse Device
Fuse holder or cut-out with knife insert to hold the fuse (see reissue ) (see patent 1,270,335)
SCHWEITZER, Edmund O.
HERZ, Alfred
Fuse Holder  
U 1,144,672 June 29, 1915 Fused Test Clamp Insulator
miscellaneous fused test clamp-insulator
WHEALE, George
Miscellaneous  
U 1,144,527 June 29, 1915 Mold
Press for making glass insulators
BROOKFIELD, Henry M.
OLSEN, Sigward
Press Brookfield Glass Co.
U Specimen known 1,144,153 June 22, 1915 Insulator
Knob
NICHOLS, William H.
Knob  
U 1,143,983 June 22, 1915 Insulator Support
Pin with metal spring coil of varying diameter for threads
MILLER, Charles E.
Pin  
U 1,143,885 June 22, 1915 Process for Making a Compound of Glass
Glass made from cullet with large amount of lime added for toughness
BROOKFIELD, Henry M.
Glass  
U 1,143,149 June 15, 1915 Insulator
Electrose strain that can be bolted between two crossarms
STEINBERGER, Louis
Electrose  
U 1,140,603 May 25, 1915 Insulator Clamp
Tie wire clamp for multipart insulator that clamps around the crown and hold the cable in the top groove
LEE, William S.
Tie Wire  
U 1,140,582 May 25, 1915 Bracket for Lightning Rod Points
Support or bracket for lightning rod point made of flat copper that can be easily bent for installation
DODD, Thomas W.
Lightning Rod Dodd & Struthers
U 1,140,052 May 18, 1915 Coupling for Sectional Rods
Lightning rod coupling the fits over spiralled rods and crimps tight against the end and screws to other couplings (see 1,558,268)
MAST, Louis L.
Lightning Rod Coupling  
U Specimen known 1,140,050 May 18, 1915 Insulator
U-189 & U-189A, CD 175.5 The insulator was designed to support the power line to street lights. Only pieces of a specimen have been found. (see 1,101,802)
MANWARING, Robert A.
HESSEL, James T.
Insulator  
U 1,139,950 May 18, 1915 Insulator Bracket
Bracket, metal to fit around pole to hold one insulator
BOWDLE, Frank A.
Bracket  
U Specimen known 1,139,748 May 18, 1915 Insulator
Knob
BEATTY, Thomas W.
Knob  
U 1,139,142 May 11, 1915 Locking Clip
Locking clip for an Electrose hanger insulator
STEINBERGER, Louis
Hanger  
U 1,137,000 April 27, 1915 Fluid Molding Press
Press for making glass insulators
BROOKFIELD, Henry M.
OLSEN, Sigward
Press Brookfield Glass Co.
U 1,136,504 April 20, 1915 Glass and Art of Making the Same
Glass made from cullet with lime and clay added
BROOKFIELD, Henry M.
Glass  
U 1,136,275 April 20, 1915 Press for Making Glass Insulators
Press for making glass insulators
ROEHRICH, Frank N.
Press Brookfield Glass Co.
U 1,135,940 April 13, 1915 Lightning Rod Cable
Flexible lightning rod conductor made of twisted and spiralled wire cable
JUEL, Peter J.
Lightning Rod H. S. Rottenborg and H. C. Hansen
U 1,133,244 March 23, 1915 Glass Working
Machine for making bottles
HOLMES, Minot K.
HI Hemingray Glass Co.
U 1,133,176 March 23, 1915 Lightning Rod Coupling
Lightning rod coupling made of sheet metal and bent over and attached with slipover fitting
OWEN, Edward Glen
Lightning Rod Coupling  
U 1,132,281 March 16, 1915 Reactive Coil
Odd arrangement for a choke coil around Hewlett fish-tail strain insulators.
MOODY, Walter S.
Coil General Electric Co.
U 1,129,520 February 23, 1915 Insulating Body for Electrical Apparatus
Multipart, theory to shape insulator to conform to electrical fields (typical spelling is FORTESCUE, Charles Le G.) (see 1,259,385)
RANDALL, Karl C.
FARNSWORTH, Sidney W.
FORTESCUE, Charles Le Geyt
Multipart Westinghouse Electric & Mfg. Co.
U 1,129,358 February 23, 1915 Lightning Rod Conductor
Lightning rod attached to conductor with flat sheet metal end
MITCHELL, Melvin G.
Lightning Rod National-Standard Co.
U 1,128,747 February 16, 1915 Method of Manufacturing Porcelain Insulators
Manufacturing process for porcelain insulator firing unglazed, then filling porous porcelain with oxidizable oil and rendering the oil stable with ozone to form a coating to replace expense of firing on a glaze
BOEHM, Wilhelm
Manufacturing  
U 1,128,424 February 16, 1915 Insulator
Suspension multipart insulator fitted with arcing horns
DUNCAN, John D. E.
Suspension  
U 1,128,261 February 9, 1915 Lightning Rod High Top
Lightning rod tripod attached to peak of roof and Y-connection for rod to conductor
SWENSON, John S.
Lightning Rod Electra Lightning Rod Co.
U Specimen known 1,127,776 February 9, 1915 Insulator
Reversible nail-knob
KETTRON, Charles W.
Knob Illinois Electric Porcelain Co.
U 1,127,696 February 9, 1915 Lightning Rod Low Top
Lightning rod attached to peak of roof with four feet
SWENSON, John S.
Lightning Rod Electra Lightning Rod Co.
U 1,127,474 February 9, 1915 Insulator Support
Glass insulator with tapered pin base that fits inside the insulator to secure the wire which passes through a vertical slot in the sides of insulator and wedged between the base and insulator held together by a bolt that runs through the insulator and an
MARDOCK, Guy
Insulator  
U Specimen known 1,127,044 February 2, 1915 Insulator
Boro-silicate glass
LOCKE, Fred M.
Boron  
U 1,127,043 February 2, 1915 Electric Arc Extinguisher
Use of explosive to break the arcing around a multipart insulator (see 1,116,303)
LOCKE, Fred M.
Transmission  
U Specimen known 1,127,042 February 2, 1915 Manufacture of High Potential Porcelain and Glass Insulators
Boro-silicate glass
LOCKE, Fred M.
Boron  
U 1,125,742 January 19, 1915 Cable Supporting Insulator
Clamp type
SESSIONS, Edson O.
Clamp Type Electrical Engineers Equipment Co.
U 1,125,064 January 19, 1915 Lightning Rod Fastener
Flat spring metal clip easily fastened to walls with screws and lightning rod snaps into the clip for easy installation
CONNELL, James R.
Lightning Rod Wisconsin Iron and Wire Works
 1914
U 1,122,434 December 29, 1914 Lightning Rod Brace
Lightning rod with short bracket to attach to roof peak with weathervane arrow
STEFFES, Anton J.
Lightning Rod  
U 1,122,326 December 29, 1914 High Potential Insulator
Multipart insulator made of Electrose
STEINBERGER, Louis
Multipart  
U 1,122,030 December 22, 1914 Suspension Insulator Eyebolt
Steel eyebolt pin for suspension insulators
STANFORD, JR., Joseph Addison
Suspension The R. Thomas & Sons Co.
U Specimen known 1,120,951 December 15, 1914 Manufacture of Insulators for High Potential Electric Conductors
Boron used in porcelain insulators
LOCKE, Fred M.
Boron  
U 1,119,973 December 8, 1914 Lightning Conductor
Conductor composed of a strong metal core covered with a sheath of copper to form a ""star"" shaped lightning rod
MAST, Louis L.
Lightning Rod Delbert H. Mast
U 1,119,049 December 1, 1914 Insulator Clamp
Tie wire crank lever
SMITH, Amos L.
Tie Wire  
U 1,118,694 November 24, 1914 Disk Strain Insulator
Suspension made of Electrose like fishtail Hewlett
STEINBERGER, Louis
Suspension  
U 1,118,545 November 24, 1914 Wire Clamp for Insulators
Complicated tie wire replacement with U-bolt and metal strap to secure and clamp to the line wire
GIOVANNONI, Charles
Tie Wire  
U 1,116,631 November 10, 1914 Insulator
Self-tying slot top for slack wire use
SCHISLER, Frank J.
Self-tying Slot Top  
U 1,116,303 November 3, 1914 Arc Extinguisher
Use of explosive to break the arcing around a multipart insulator (see 1,127,043)
LOCKE, Fred M.
Transmission  
U 1,112,634 October 6, 1914 Lightning Conductor
Improvement of a previous application (see 1,119,973) by inserting a metallic disc in the coupling to aid in conduction through the coupling
MAST, Louis L.
Lightning Rod Delbert H. Mast
U 1,111,570 September 22, 1914 Insulator
Third rail insulator with bolt holes on top and bottom side and flange projecting out in the center of the side designed to carry the rail on top
FRIEDLAENDER, Eugene
Third Rail  
U Specimen known 1,110,934 September 15, 1914 Insulator
Suspension disk
HEWLETT, Edward M.
Suspension General Electric Co.
U 1,110,496 September 15, 1914 Insulator Support for Electric Wires
Pin and metal bracket to fit around crossarm
KOBERT, Frank P.
Pin Barnes & Kobert Mfg. Co.
U 1,110,495 September 15, 1914 Insulator Support
Pin, pressed metal to form bin and support
KOBERT, Frank P.
Pin Barnes & Kobert Mfg. Co.
U 1,109,586 September 1, 1914 Line Disconnecting Switch
Switch to disconnect line for repairs. Composed of several multipart insulators, knife switch, and handles near the ground to operate the switch.
HEWLETT, Edward M.
Switch General Electric Co.
U 1,109,470 September 1, 1914 Post Insulator
Multipart insulator to support high tension conductors in substation
SANFORD, JR., Joseph A.
Multipart The R. Thomas & Sons Co.
U 1,109,058 September 1, 1914 Insulator
Self-tying slot top
FRITZ, Osville J.
Self-tying Slot Top  
U Specimen known 1,107,111 August 11, 1914 Insulator
U-186
PURKEY, Benjamin S.
Insulator  
U 1,106,797 August 11, 1914 Electric Insulator
Suspension insulators
FAY, John L.
WAY, Sylvester B.
Suspension  
U 1,106,095 August 4, 1914 Electrical Battery
Battery insulators with oil inside
HUBBARD, Albert S.
Battery Gould Storage Battery Co.
U 1,105,521 July 28, 1914 Insulator Attachment
Tie wire clamp
KEPHART, John A.
Tie Wire  
U 1,102,656 July 7, 1914 Insulator
Insulator with hole in center and method to clamp conductor securely and the metal bracket with two bolts to secure the insulator
HADEN, Robert B.
Insulator  
U 1,101,802 June 30, 1914 Conductor Clamp
Clamp attached to insulator wire groove to hold a vertivcal duplex conductor to street lamp (see 1,140,050)
KENNEDY, Matthew G.
Clamp The States Co.
U 1,100,859 June 23, 1914 Line Wire Fastener
Complicated tie wire replacement with cam lever on each side of the insulator to pull the tie wire tight
WISEMAN, Thomas A.
Tie Wire 1/2 to Robert T. Wiseman
U 1,099,421 June 9, 1914 High Voltage Switch
High voltage switch mounted on multipart insulators composed of triangle shaped metal rods and insulators that rotate to open or close the switch.
BURKE, Alfred Woodard
Switch  
U 1,099,374 June 9, 1914 Insulator
Block in crossarm
HUNTER, Ira
Block 2/3 to Rafferty, 1/3 to Wells
U 1,098,738 June 2, 1914 Lightning Rod
Lightning rod system with multiple points along the crest and eaves and conductor with multiple ground connections
KRETZER, Sidney D.
Lightning Rod  
U 1,097,414 May 19, 1914 Adjustable Insulator Support
Bracket, metal to fit around crossarm for two insulators
FORT, Louis
Bracket  
U 1,097,392 May 19, 1914 Battery Box Support and Insulator
Battery rest insulator with screw to hold under foot of table
CREMER, August C.
MOLANDER, Gustaf F.
Battery  
U 1,095,860 May 5, 1914 Insulator Holder
Pin composed of metal wire
HEFFNER, Herman C.
Pin  
U Specimen known 1,094,852 April 28, 1914 Insulator Pin
Pin, metal flanged to fit crossarm and interior bolt for attachment to thimble
HECHT, Julius L.
GAPEN, Jotham C.
Pin 1/2 to Electric Service Supplies Co.
U 1,093,480 April 14, 1914 Insulator
Multipart same as 1,093,479 with plug to block cement from air pocket
SANFORD, JR., Joseph A.
Multipart The R. Thomas & Sons Co.
U 1,093,479 April 14, 1914 Insulator
Multipart using interchangeable shells cemented to leave air pocket
SANFORD, JR., Joseph A.
Multipart The R. Thomas & Sons Co.
U Specimen known 1,091,679 March 31, 1914 Insulator
Boro-silicate glass
LOCKE, Fred M.
Boron  
U Specimen known 1,091,678 March 31, 1914 Insulating Composition
Boro-silicate glass
LOCKE, Fred M.
Boron  
U 1,090,686 March 17, 1914 Insulator Clamp
Self-tying via clamp
COOK, William A.
Self-tying Miscellaneous  
U Specimen known 1,090,234 March 17, 1914 Insulating and Supporting Mechanism
Ohio Brass third rail support insulator designed to be use on narrower ties
ROGERS, Joseph W.
Third Rail 1/2 to Nathan Shute
U 1,088,278 February 24, 1914 Rain Guard for Insulators
Protective metal rain guard for bottom of skirt
HOLMES, Minot K.
Protective Shield Hemingray Glass Co.
U 1,085,813 February 3, 1914 Insulator and Current Distributor
Miscellaneous style with attachment for multiple current distributors (see 1,043,321)
KNUTZ, Ernest H.
Miscellaneous  
U 1,084,147 January 13, 1914 Support for Electric Service Wires
Bulbous insulator mounted on a crossarm pin to allow tie-off and running multiple service wires from the main power conductor
HOPKINS, Guy
Service Drop  
 1913
U 1,080,257 December 2, 1913 Insulator
Wall tube with metal clip
BRUCHSALER, Karl
Wall Tube  
U Specimen known 1,079,239 November 18, 1913 Insulator
Knob with tube of metal surrounding the nail to aid in keeping parts together.
HARRIS, John R.
Knob  
U 1,075,217 October 7, 1913 High Voltage Insulator
Suspension, cap design to allow easy connection using a spring-loaded clip
MAXWELL, Marshall P.
Suspension  
U 1,072,999 September 9, 1913 Tubular Insulator
miscellaneous
SIMCOE, George
Miscellaneous  
U 1,072,525 September 9, 1913 Suspension Insulator
Odd system for suspending power lines
STEINBERGER, Louis
Electrose  
U 1,072,524 September 9, 1913 Insulator
Odd system for suspending power lines
STEINBERGER, Louis
Electrose  
U 1,071,419 August 26, 1913 Insulator
Self-tying miscellaneous slotted cube
HETHERINGTON, Bert
Self-tying Miscellaneous  
U 1,070,948 August 19, 1913 Cable and Tube Coupling
Lightning rod coupling formed from sheet metal with flaps that fold over the conductor
DODD, Thomas W.
Lightning Rod Coupling  
U Specimen known 1,070,452 August 19, 1913 Fusible Cut-Out
Conical shaped fuse holder or cut-out with knife insert to hold the fuse.
GRIFFIN, George B.
Fuse Holder Westinghouse Electric & Mfg. Co.
U 1,070,151 August 12, 1913 Insulator
Clamp type
MARTIN, William H.
Clamp Type 1/2 to Newman, 1/2 to Knupp
U 1,069,782 August 12, 1913 Electric Insulator
Multipart cable clamp using metal crown cap
HILLIARD, John D.
Multipart  
U 1,067,246 July 15, 1913 Wire Clamp for Insulators
Tie wire camming lever
HUBBARD, John H.
Tie Wire 1/2 to H. A. Dusky
U 1,065,983 July 1, 1913 Insulator
Pin (metal) formed from sheet metal
STOCKWELL, Millard E.
Pin  
U 1,065,737 June 24, 1913 Insulator and Support
Spiral conical insulator for tightening of line wire
SLONECKER, Abiram J.
Spiral  
U 1,061,824 May 13, 1913 Lightning Rod
Lightning rod point made of sheet metal formed in two halves, bend around the conductor, and clipped together to form a hole rod
CURNUTT, John Z.
LLOYD, Eldon E.
Lightning Rod Point  
U 1,061,823 May 13, 1913 Tie Wire for High Voltage Circuits
Tie wire for high voltage multipart insulators that can be changed safely with power still on
CRONIN, Jeremiah
Tie Wire The Cronin Electrical Appliances Co.
U 1,061,620 May 13, 1913 Insulator
Cleat
MARKEL, Harley R.
Cleat  
U 1,061,311 May 13, 1913 Line Wire Fastener
Tie wire replacement consisting of a metal U that clips the wire and lever to tighten around the insulator
MORGAN, Arthur M.
Tie Wire  
U 1,060,886 May 6, 1913 Insulator
Interchangeable nail-knob parts
BICKNELL, John E.
Knob Findlay Electric Porcelain Co.
U 1,059,903 April 22, 1913 Insulator with Fuse
Insulator with fuse in the bottom
PETTERSEN, Kristian
Fuse Holder  
U 1,059,629 April 22, 1913 Insulator
Self-tying twist lock type
PLATT, Thomas M.
Self-tying Twist  
U 1,057,184 March 25, 1913 Insulating Means
Odd system for suspending power lines
STEINBERGER, Louis
Electrose  
U 1,056,998 March 25, 1913 Insulator
Means of insulating and supporting a bussbar.
JAMIESON, Bertrand G.
KELLER, Carl A.
Bussbar  
U 1,056,711 March 18, 1913 Crossover Insulator for Electrical Conductors
Crossover
SCHAUB, Ferdinand
Crossover  
U 1,056,392 March 18, 1913 Insulator
Bushing
BARR, Carl A.
KOREN, Jerome H.
Bushing  
U 1,055,322 March 11, 1913 Insulator
Holes (2) through insulator to pin allows lightning to pass to pin & ground
DE LONG, Harry A.
Hole  
U 1,054,690 March 4, 1913 Electric Wire Supporting Device
U-shaped block insulator fitted into slots in the crossarm to hold telegraph and telephone lines.
HICKS, Henry A.
Block  
U 1,054,469 February 25, 1913 High Voltage Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,054,148 February 25, 1913 High Voltage Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,054,138 February 25, 1913 Means for Attaching Wires and Cables to Insulators
Clamping wire device to eliminate tie wire (French gingerbread man)
PARRA, Henri
Clamp Type Societe H. Parra Et. Cie.
U 1,049,594 January 7, 1913 Press for Molding Insulators or Similar Articles
Press for making glass insulators
OLSEN, Sigward
Press Brookfield Glass Co.
U 1,049,405 January 7, 1913 Insulator
Knob
SCHAUB, Ferdinand
Knob  
 1912
U 1,049,005 December 31, 1912 Insulating Composition and Process of Making the Same
Artificial reconstructed lava made from combining soapstone or talc (hydrated silicate of magnesia), with a binder which is the precipitate of a mixture of magnesium sulfate and sodium silicate. The combination is then molded to the desired shape and fire
STEINMETZ, Charles P.
Composition General Electric Co.
U Specimen known 1,048,992 December 31, 1912 Insulator
Strain, interlocking type (OB hog liver)
MEAD, George A.
Strain The Ohio Brass Co.
U Specimen known 1,048,850 December 31, 1912 Insulator
Findlay reversible ""Buckeye"" split-knob for crossovers
MOORE, John W.
Knob  
U 1,048,736 December 31, 1912 Insulating Cleat
Cleat for corners
RICHARDS, Benjamin
Cleat  
U 1,048,706 December 31, 1912 Bracket for Current Conducting Wires
Side pin with notch cut out to allow a splice to pull through before mounting wire on the glass insulators
KLEINHESSELINK, Arie
Pin  
U 1,048,587 December 31, 1912 Wire Holder for Insulators
Tie wire clip
REIFFER, Anthony J.
MAYS, David P.
Tie Wire  
U 1,048,390 December 24, 1912 Insulator
Self-tying screw top with slotted top
BROWN, Fred
Self-tying Screw Top  
U 1,047,176 December 17, 1912 Cross Arm
Crossarm stamped out of sheet metal and easy to install
CRABTREE, Lawrence L.
RIPLEY, T. Charley
Crossarm  
U 1,047,059 December 10, 1912 Insulator Support for Line Wires
Clamp type
HOYBROOK, Henry L.
Clamp Type  
U 1,046,868 December 10, 1912 Strain Insulator
Strain, interlocking type with ribs and metal connectors
SCHMID, Ernest Emmel
Strain Shield Electric Co.
U 1,045,536 November 26, 1912 Insulator Pin
Pin (metal) with elastic washer under threads to firmly hold insulator, prevent breakage
ETTE, Charles G.
Pin Ette Investment Co.
U 1,045,353 November 26, 1912 Insulator for Automatically Securing Conducting Wires
Self-tying miscellaneous non-pin type slot-top
ZACHHUBER, Franz
Self-tying Miscellaneous  
U 1,043,916 November 12, 1912 Insulator
Self-tying screw top with slotted top
FARWELL, Frank M.
Self-tying Screw Top  
U 1,043,321 November 5, 1912 Combined Insulator and Current Distributor
Miscellaneous style with attachment for multiple current distributors (see 1,085,813)
KNUTZ, Ernest H.
Miscellaneous  
U 1,042,902 October 29, 1912 Insulator
Miscellaneous using Mason jar lid base attached to support
FOUTZ, Jeremiah N.
Miscellaneous  
U 1,042,677 October 29, 1912 Insulating Cleat
Cleat
HILTY, Robert D.
Cleat 1/2 to Ira Zeis
U 1,042,372 October 22, 1912 Split Insulator
Knob
HARRIS, John R.
Knob  
U 1,042,199 October 22, 1912 Wire Clamp
Tie wire loop and lever
CARROLL, Harry L.
Tie Wire  
U 1,041,937 October 22, 1912 Insulator Bracket
Cylinder split and held in a bracket
WYCHE, Daniel W.
Cylinder  
U 1,040,971 October 8, 1912 Insulating Joint
miscellaneous - insulating joint
WIRT, Charles
Miscellaneous Wirt Electric Specialty
U 1,040,620 October 8, 1912 Insulator Clamp
Clamp, metal to secure conductor to insulator
CLARK, Walter G.
Clamp  
U Specimen known 1,039,799 October 1, 1912 Insulator Chain for High Pressure Electric Transmission Lines
Suspension chain (pork liver)
PRIESTLEY, Charles M. E.
Suspension Societe Vedovelli Priestley
U 1,038,473 September 10, 1912 Insulator
Suspension insulator of insulating rope and hoods
ALSBERG, Julius
Suspension  
U 1,038,418 September 10, 1912 Insulator
Self-tying slot top
NELSON, William H. S.
Self-tying Slot Top  
U 1,036,136 August 20, 1912 Tool for Stringing Line Wires
Special bracket that fits around the insulator and crossarm to loosely hold the line wire during stringing and before the line is tied to the insulator
MENAGER, Henry A.
Bracket 91/100 to John A. Menager
U 1,035,415 August 13, 1912 Insulator
Self-tying miscellaneous
BROWN, Robert L.
BROWN, Gus
Self-tying Miscellaneous  
U 1,035,231 August 13, 1912 Insulator
Use of varnish residue to secure hold metal suspension parts to a porcelain hood or skirt
RANDOLPH, Leonard M.
Miscellaneous  
U 1,034,888 August 6, 1912 Section-Insulator for Overhead Structures
Catenary arrangement using deadend spools
DENNEEN, Francis S.
MEAD, George A.
Catenary The Ohio Brass Co.
U 1,034,518 August 6, 1912 Hanger for Electrical Apparatus
Hanger for street lights composed of a bell insulator, cross arm with spool insulators on each end, and a hook to support the lamp.
SCHEIBLE, Albert
Hanger  
U 1,034,394 July 30, 1912 Insulating Support for Storage Battery Tanks
CD 35, CD 36; Battery insulator with soft metal cap
MORRIS, George H.
Battery The Electric Storage Battery Co.
U 1,033,019 July 16, 1912 Insulator
Cover for bridle wire drop
JEWETT, Frank B.
Miscellaneous American Telephone & Telegraph Co.
U 1,032,715 July 16, 1912 Insulator
Crossarms formed from metal pipe with insulators molded on the metal pins
WALKER, Oral B.
Crossarm  
U Specimen known 1,032,545 July 16, 1912 Insulator
Knob
HILTY, Robert D.
Knob 1/2 to Ira Zeis
U 1,032,153 July 9, 1912 Insulator
Self-tying miscellaneous
NEMES, Mike
Self-tying Miscellaneous  
U 1,031,975 July 9, 1912 Mine insulator
Mine insulator
WARREN, Frederic A.
Mine  
U 1,030,574 June 25, 1912 Insulator Supporting Device
Bracket (metal) that slides along crossarm for insulator above and below crossarm
ETTE, Charles G.
Bracket Ette Investment Co.
U 1,029,980 June 18, 1912 Insulator
Knob - self-tying (see reissue 13,748 on 6-16-1914)
ELLIS, John
Knob  
U 1,029,207 June 11, 1912 Insulator Support
Crossarm composed of reinforced concrete
MEGAHAN, Oliver P.
Crossarm  
U 1,028,534 June 4, 1912 Insulator
Miscellaneous
BRADY, Charles C.
Miscellaneous  
U 1,028,104 June 4, 1912 Strain Insulator
Strain type
FLETCHER, Olive L.
Strain The Peru Electric Mfg. Co.
U 1,027,712 May 28, 1912 Insulator Supporting Device
Metal pin to clamp around metal crossarm with hinged side part
ETTE, Charles G.
Pin Ette Investment Co.
U 1,027,711 May 28, 1912 Pole Cross Arm
Metal crossarm with metal pins
ETTE, Charles G.
Pin Ette Investment Co.
U 1,027,710 May 28, 1912 Pole Cross Arm
Metal crossarm with metal pins
ETTE, Charles G.
Pin Ette Investment Co.
U 1,027,709 May 28, 1912 Pole Cross Arm
Metal crossarm with metal pins
ETTE, Charles G.
Pin Ette Investment Co.
U 1,027,708 May 28, 1912 Metallic Crossarm for Poles
Metal crossarm with metal pins
ETTE, Charles G.
Pin Ette Investment Co.
U 1,027,601 May 28, 1912 Insulator and Support
Clamp type mounted in spike
GRESSETT, Lawrence F.
Clamp Type  
U 1,026,711 May 21, 1912 Sheet Metal Insulator Pin
Pin, metal composed of three flat strips
SHOVER, Barton R.
Pin  
U 1,022,993 April 9, 1912 Insulator
Insulator with external threads to be screwed into metal shield and entire unit screwed into underside of the crossarm
WILLIS, George W.
Insulator  
U 1,022,874 April 9, 1912 Machine for Drilling Porcelain
Machine for drilling U-shaped holes in Hewlett suspension disk
RIDDELL, John
Suspension General Electric Co.
U 1,022,121 April 2, 1912 Insulator Pin
Pin, metal with barbs to hold it in hole in crossarm
BOYLAND, Clarence Joseph
Pin  
U 1,022,026 April 2, 1912 Insulator
Block in crossarm
GUTHRIE, Joseph A.
Block Guthrie-Mitchell Co.
U Specimen known 1,021,059 March 26, 1912 Insulator
Knob
MARKLEY, Willis R.
Knob  
U 1,020,880 March 19, 1912 Insulator
Self-tying screw top
BOURKE, Alexander M.
Self-tying Screw Top  
U 1,020,122 March 12, 1912 Electrical Insulator
miscellaneous complicated design of multiple parts and cemented bushing
BOLTON, Daniel G.
Miscellaneous Frank S. Diener
U 1,019,451 March 5, 1912 Sectional Insulator
The GE breakaway insulator, M-2202 or M-2505, is shown in the catenary design
GILLETTE, John C.
Sectional Insulator General Electric Co.
U 1,017,308 February 13, 1912 Lightning Conductor
Lightning rod tip with clip fastener to attach to conductor
MITCHELL, Melvin G.
Lightning Rod Point Nation