Search the Insulator Patent Reference Library:

Build your search criteria. The patent must match all the values specified.
Select patent types: Utility   Design   Reissue
Patent number:
Date:
Year between: and
Patentee starting with:
City:
State:
Assigned To starting with:
Description containing:
Category:
Class:    Subclass:
Click Search when complete:
SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type ORDER BY last_name DESC, first_name, date, patent, type

Total of 3145 patents found where:

View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.

T / S Patent Date Description Patentee Category Assigned To
 ZURN, Charles M.
U 937,137 October 19, 1909 Machine for Producing Glass Insulators
Press for making glass insulators
ZURN, Charles M.
Press  
 ZIMMERMAN, George
U 2,995,184 August 8, 1961 Gas Burner Structures
Gas Burner for welding glass blocks
ZIMMERMAN, George
OI Owens-Illinois Glass Co.
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.
 ZIMMERMAN, Willard P.
D 84,313 June 2, 1931 Design for a Bottle or Similar Article
Universal Home Bottle
ZIMMERMAN, Willard P.
HI Hemingray Glass Co.
D 99,102 March 24, 1936 Design for a Glass Building Block
Block design similar to Fleur-De-Lis
ZIMMERMAN, Willard P.
OI Owens-Illinois Glass Co.
D 104,127 April 13, 1937 Design for a Hollow Glass Building Block
Block design with medium bars
ZIMMERMAN, Willard P.
OI Owens-Illinois Glass Co.
 ZIMMERMAN, Willard P.
HOLMES, Minot K.
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 2,105,174 January 11, 1938 Method of Manufacturing Multipart Glass Articles
Aluminum welding of blocks
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
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 2,127,150 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 2,149,246 February 28, 1939 Method of Manufacturing Hollow Glass Articles
Aluminum welding of blocks
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
 ZIESCHE, Otto Paul
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.
 ZIEG, Joseph
U 1,147,065 July 20, 1915 Insulator Clamp and Bracket
Steel bracket and pin combination that fits around the crossarm
ZIEG, Joseph
Bracket  
 ZERTUCHE, Emilio
U Specimen known 650,445 May 29, 1900 Insulator
Strain type with ""Z"" shaped groove
ZERTUCHE, Emilio
Strain  
 ZACHHUBER, Franz
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  
 YOUNG, George F.
U 954,490 April 12, 1910 Machine for Threading Porcelain Insulators
Machine to form threads in wet process porcelain
YOUNG, George F.
Thread Pittsburg High Voltage Insulator Co.
 YOUNG, Harry M.
U 2,213,425 September 3, 1940 Insulator Fastener
Knob and bracket pin
YOUNG, Harry M.
Knob Western Wire Products Co.
 YOUNG, Norton S.
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.
 YOUMANS, Salem L.
MCLAUGHLIN, James A.
U 1,188,599 June 27, 1916 Self-Tying Insulator
Cleat - self-tying
YOUMANS, Salem L.
MCLAUGHLIN, James A.
Cleat  
 YARSLEY, Thomas G.
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.
 YARIAN, Charles E.
U 984,175 February 14, 1911 Lightning Rod
Means of directing rain water down into the ground tip and retain the water in the ground to aid in conduction of the current to ground
YARIAN, Charles E.
Lightning Rod  
 YANDELL, John
U Specimen known 8,438 October 14, 1851 Improvement in Insulators for Telegraphs
CD 1012 & CD 1014, slotted glass tube mounted in a wooden bracket
YANDELL, John
Insulator  
 YANCEY, Edwin L.
U 132,615 October 29, 1872 Improvement in Lightning Rods
Lightning rod made of hollow or solid iron dipped several times in molten copper to coat entire surface with multiple layers
YANCEY, Edwin L.
Lightning Rod  
 WYMAN, Horace B.
U 518,907 April 24, 1894 Cleat for Supporting Conducting Wires for Electric Circuits
Cleat (hanger)
WYMAN, Horace B.
Cleat 1/2 to Albert Goodwin
 WYCHE, Daniel W.
U 1,041,937 October 22, 1912 Insulator Bracket
Cylinder split and held in a bracket
WYCHE, Daniel W.
Cylinder  
 WRIGLEY, George
U 887,896 May 19, 1908 Tie Wire Clamp
Cable clamp to hold conductor in top groove of insulator consisting of two flat metal strips with eyelets on each end to receive the cable clamp
WRIGLEY, George
Cable Clamp  
 WRIGHT, Augustus
D 22,876 November 7, 1893 Design for an Insulator
Square flat insulator with large center hole and small hole in each corner
WRIGHT, Augustus
Misc  
 WRIGHT, Evans C.
U 783,348 February 21, 1905 Insulator
Knob - self-tying
WRIGHT, Evans C.
Knob 1/2 to Francis McHenry
 WRIGHT, Homer
U 301,946 July 15, 1884 Jug Top
Syrup jug top
WRIGHT, Homer
HU  
 WRIGHT, Joseph F.
U 496,081 April 25, 1893 Insulator
Insulator mounted in a slot in the crossarm and secured with a hinged latching cover
WRIGHT, Joseph F.
Insulator  
 WRIGHT, William H.
U 317,479 May 5, 1885 Insulator for Electric Wires
Insulator with corrugations (vertical) inside skirt
WRIGHT, William H.
Insulator  
 WORTMANN, Adolf
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  
 WOOSTER, David
U 29,933 September 4, 1860 Improvement in Lightning Rods
Method of connecting hollow lightning rods
WOOSTER, David
Lightning Rod  
 WOOLSEY, Charles A.
U 595,827 December 21, 1897 Insulator Bracket
Clamp type composition insulator with top cable clamp
WOOLSEY, Charles A.
Clamp Type  
 WOOLLEY, Leonidas G.
U 293,612 February 12, 1884 Lightning Diffuser
Lightning rod with special bracket to hold the rod away from the building
WOOLLEY, Leonidas G.
Lightning Rod  
 WOOLBERT, Henry W.
U 666,586 January 22, 1901 Insulator
Insulator & crossarm (glass) reinforced with embedded metal wires
WOOLBERT, Henry W.
Insulator  
 WOODWARD, Theodore F.
U 196,733 October 30, 1877 Improvement in Forming Female Screw Threads in Glass Jars, Insulators, & c.
Method of forming female threads inside the neck of jars and insulators
WOODWARD, Theodore F.
Threads  
 WOODMANSEE, Fay
U Specimen known 927,701 July 13, 1909 Insulator Support
Pin bracket (metal) for insulator on crossarm
WOODMANSEE, Fay
Pin John Porter and Electric Service Supplies Co.
 WOOD, Fremont E.
U 401,095 April 9, 1889 Lightning Conductor for Wire Fences
Lightning rod connecting all strands of barbed wire fencing to ground to prevent lightning killing cattle which are standing near the fence
WOOD, Fremont E.
Lightning Rod Fence  
 WOOD, James J.
U Specimen known 736,049 August 11, 1903 Electric Fuse Box
Fuse cutout
WOOD, James J.
Fuse Holder  
 WOOD, Merritt L.
U Specimen known 71,564 November 26, 1867 Improvement in Telegraph Insulators
Metal shell lined with glass or porcelain with wooden pin and paraffin cavity
WOOD, Merritt L.
Metal 2/3 to S. Porter & L. M. Monroe
 WOOD, Montraville M.
U 545,620 September 3, 1895 Cleat for Electric Wires
Self tying cleat known as the ""Eureka""
WOOD, Montraville M.
Cleat  
U 779,828 January 10, 1905 Insulator Pin
Pin composed of bolt and threads formed in split metal tube
WOOD, Montraville M.
Pin General Electric Co.
 WOOD, William
U 568,060 September 22, 1896 Insulator
Cylindrical block in crossarm
WOOD, William
Cylinder  
 WOOD, William D.
U 665,986 January 15, 1901 Lightning Arrester
Metal lightning rod crest along the roof peaks connected to ground
WOOD, William D.
Lightning Rod Crest Henry B. Roach and William M. Potts
 WITHYCOMBE, Frederick H.
U Specimen known 633,173 September 19, 1899 Insulator
CD 143 with external projections to absorb mechanical shock - horizontal ridges
WITHYCOMBE, Frederick H.
Insulator 11/20 to Clement H. McLeod
U Specimen known 633,174 September 19, 1899 Insulator
CD 143 with external projections to absorb mechanical shock - spiral ridges
WITHYCOMBE, Frederick H.
Insulator 11/20 to Clement H. McLeod
U Specimen known 633,175 September 19, 1899 Insulator
CD 143 with external projections to absorb mechanical shock - projections
WITHYCOMBE, Frederick H.
Insulator 11/20 to Clement H. McLeod
U Specimen known 633,176 September 19, 1899 Insulator
CD 143 with external depressions to absorb mechanical Shock
WITHYCOMBE, Frederick H.
Insulator 11/20 to Clement H. McLeod
D Specimen known 31,798 November 7, 1899 Design for an Insulator
CD 143 with diagonal spiral ridges
WITHYCOMBE, Frederick H.
Pin-type 11/20 to Clement Henry McLeod
D Specimen known 31,799 November 7, 1899 Design for an Insulator
CD 143 with vertical ridges
WITHYCOMBE, Frederick H.
Pin-type 11/20 to Clement Henry McLeod
 WISTNER, Harvey W.
U 870,486 November 5, 1907 Conducting Wire Support and Insulator
Split insulator with external threads to screw into hole in crossarm to hold line wire
WISTNER, Harvey W.
Miscellaneous  
 WISMER, George C.
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  
 WISEMAN, Thomas A.
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
 WIRT, Charles
D 21,377 March 8, 1892 Design for an Insulator Bracket
Bracket for insulator
WIRT, Charles
Bracket  
D 21,378 March 8, 1892 Design for an Insulator Bracket
Bracket for two insulators
WIRT, Charles
Bracket  
D 21,379 March 8, 1892 Design for an Insulator Bracket
Bracket for insulator
WIRT, Charles
Bracket  
D 21,380 March 8, 1892 Design for an Insulator Bracket
Bracket for insulator
WIRT, Charles
Bracket  
D 21,439 March 29, 1892 Design for an Insulator Bracket
Bracket for insulator
WIRT, Charles
Bracket  
D 21,454 April 12, 1892 Design for an Insulator Bracket
Bracket for insulator
WIRT, Charles
Bracket  
D 21,455 April 12, 1892 Design for an Insulator Bracket
Bracket for two insulators
WIRT, Charles
Bracket  
U 488,046 December 13, 1892 Insulator
Strain type
WIRT, Charles
Strain  
U 1,040,971 October 8, 1912 Insulating Joint
miscellaneous - insulating joint
WIRT, Charles
Miscellaneous Wirt Electric Specialty
 WIRT, Herbert C.
U 448,703 March 24, 1891 Support for Electric Line Wires
Hanger insulator for trolley conductor
WIRT, Herbert C.
Hanger  
U 477,980 June 28, 1892 Insulator
Knob
WIRT, Herbert C.
Knob The Thomson-Houston Electric Co.
U Specimen known 518,301 April 17, 1894 Ceiling Cleat
Cleat - 2 piece
WIRT, Herbert C.
Cleat General Electric Co.
 WINTON, Henry D.
U 352,436 November 9, 1886 Electric Insulator
Strain type
WINTON, Henry D.
Strain  
U 352,437 November 9, 1886 Electric Insulator
Strain type
WINTON, Henry D.
Strain  
U 445,790 February 3, 1891 Insulator
Strain type with ramshorn ends
WINTON, Henry D.
Strain  
 WINSOR, Paul
U 780,316 January 17, 1905 Third Rail Insulator
Cylindrical third rail insulator with inner core of cement to secure the metal cap and metal support to the insulator.
WINSOR, Paul
Third Rail  
 WINSLOW, George H.
U 517,634 April 3, 1894 Pin for Insulators
Pin for use with oil cup, CD 244 (see 524,659)
WINSLOW, George H.
Insulator  
U Specimen known 524,659 August 14, 1894 Insulator
Oil cup with means to support the cup from the insulator (see 517,634)
WINSLOW, George H.
Oil  
 WINGARD, Charles L.
U 607,315 July 12, 1898 Insulator
Wall tube of two split pieces [Scientific American 8-6-1898]
WINGARD, Charles L.
Wall Tube 1/2 to Luella Wingard
 WILSON, James Leslie
U 1,509,074 September 16, 1924 Insulator
Self-tying clamp top
WILSON, James Leslie
Self-tying Miscellaneous  
 WILSON, James O.
U 708,188 September 2, 1902 Lightning Rod
Lightning rod system with better grounding to make it more sensitive to passing storm
WILSON, James O.
Lightning Rod  
 WILSON, John
U 336,276 February 16, 1886 Insulator for Telegraph Wires
miscellaneous - groove in crown for 2 or more wires of different size
WILSON, John
Miscellaneous  
U 346,971 August 10, 1886 Telegraph Insulator
Spout each end of groove for rain; barbed top groove; hole for tie wire
WILSON, John
Spout  
U 346,972 August 10, 1886 Telegraph Insulator
Self-tying via bolt in crown
WILSON, John
Self-tying Miscellaneous  
U 347,454 August 17, 1886 Telegraph Wire and Insulator Fastening
Self-tying with retainer for holding wire in groove
WILSON, John
Self-tying Miscellaneous  
U 349,022 September 14, 1886 Telegraph Wire and Insulator Fastening
Self-tying via a spiral of wire that fits in the top groove or notch holding the line wire within
WILSON, John
Self-tying Miscellaneous  
 WILSON, Leon T.
U 1,678,663 July 31, 1928 Insulator
Protective shield
WILSON, Leon T.
Protective Shield American Telephone & Telegraph 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 1,710,756 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 1,927,106 September 19, 1933 Insulator
Carrier circuit insulator with metal skirt coated with insulating material
WILSON, Leon T.
Carrier American Telephone & Telegraph Co.
 WILSON, Robert M.
PHILLIPS, Goddie F.
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  
 WILSON, Walter J.
U 1,013,250 January 2, 1912 Insulator Pin
Pin for mine insulator comprised of split sheet metal
WILSON, Walter J.
Pin  
 WILSON, William E.
U 1,208,874 December 19, 1916 Insulator
Self-tying
WILSON, William E.
Self-tying Miscellaneous  
 WILMOT, Samuel R.
U 159,007 January 19, 1875 Improvement in Lightning Rods
Lightning rod made of sheet metal formed with spiral-fluted sides with edges locking together and crimping the edges of the star wings to on each end of two sections to secure them together
WILMOT, Samuel R.
Lightning Rod  
 WILLMS, Charles
U 572,285 December 1, 1896 Battery Cell
Battery cell
WILLMS, Charles
Battery  
 WILLIS, George W.
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  
 WILLIAMSON, Charles
U 317,908 May 12, 1885 Electric Conductor for Wire Fence
Lightning protection for wire fence
WILLIAMSON, Charles
Lightning Rod Fence  
 WILLIAMS, Joseph Thomas
U 1,564,918 December 8, 1925 Insulator Clamp
Clamp fitting in tie-wire groove to hold conductor
WILLIAMS, Joseph Thomas
Clamp  
 WILLIAMS, Mowry S.
U 507,299 October 24, 1893 Trolley Wire Insulator
Cylinder of wood used for trolley wire hanger
WILLIAMS, Mowry S.
Wood 1/2 to Stewart Worden
 WILLIAMS, Richard H.
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.
 WILLIAMS, Roger A.
U 1,205,069 November 14, 1916 Insulator
Self-tying slot top
WILLIAMS, Roger A.
Self-tying Slot Top  
 WILLIAMS, William H.
U Specimen known 1,176,801 March 28, 1916 Insulator
Crossover block (see reissue 14,256 on 2-6-1917)
WILLIAMS, William H.
Crossover  
R Specimen known 14,256 February 6, 1917 Insulator
Crossover block (reissue of 1,176,801)
WILLIAMS, William H.
Crossover  
 WILLEM, Michel
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)
 WILLARD, Ben
D 28,981 July 5, 1898 Design for a Cap for Insulators
Third rail insulator metal cap
WILLARD, Ben
Third Rail General Electric Co.
U 606,830 July 5, 1898 Insulator
Third rail insulator mounted on a wooden block with metal cap on top to support the rail
WILLARD, Ben
Third Rail General Electric Co.
 WILGUS, William J.
SPRAGUE, Frank J.
U 908,180 December 29, 1908 Third Rail
Third rail insulator system (Ohio Brass)
WILGUS, William J.
SPRAGUE, Frank J.
Third Rail  
 WILCOCK, John Edward
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.
 WILCOCK, John Edward
BAILLIE, Granville Hugh
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.
 WILCOCK, John Edward
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 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 3,185,560 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 3,416,909 December 17, 1968 Apparatus for Molding Glass Articles
Glass press that can be adapted for insulator manufacture
WILCOCK, John Edward
Press Pilkington Brothers Ltd.
 WIDMYER, James L.
U 1,361,948 December 14, 1920 Insulator
Pin with spring wire extending beyond edge of bottom pin hole
WIDMYER, James L.
Pin  
 WHITMORE, Paul G.
U 2,372,995 April 3, 1945 Tap-Isolating Conductor Support
miscellaneous
WHITMORE, Paul G.
Miscellaneous  
 WHITE, Joseph J.
U 143,862 October 21, 1873 Improvement in Lightning Rods
Lightning rod with twisted flanges that is split on the ends where it fits snugly with the split in the adjoining rod with said joint secured with metal pins
WHITE, Joseph J.
Lightning Rod  
 WHITE, Leonard H.
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.
 WHITE, Oren
U 19,819 March 30, 1858 Improvement in Lightning Conductors
Lightning rod made of iron wires wrapped with copper sheets
WHITE, Oren
Lightning Rod Henry C. Janes
 WHITE, Thomas C.
U Specimen known 822,642 June 5, 1906 Wood Strain Insulator
Wood strain insulator with metal caps on the ends
WHITE, Thomas C.
Strain  
D Specimen known 44,118 May 27, 1913 Design for an Insulator
Strain
WHITE, Thomas C.
Strain  
D Specimen known 45,172 January 20, 1914 Design for an Insulator
Strain
WHITE, Thomas C.
Strain  
 WHITAKER, Alfred J. P.
TREHARNE, Frederick G.
U 566,045 August 18, 1896 Insulator for Electrical Purposes
Protective shield of metal with non-conducting enameled coating
WHITAKER, Alfred J. P.
TREHARNE, Frederick G.
Protective Shield  
 WHISLER, George M.
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.
 WHEELER, George K.
U 448,395 March 17, 1891 Insulator
Suspension type (2-part wooden) for trolley wires
WHEELER, George K.
Suspension  
 WHEELER, Herbert H.
MCGINNIS, Orris
THORDARSON, William
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.
 WHEELER, Herbert H.
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.
 WHEELER, Herbert H.
MARKLEY, William F.
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.
 WHEEER, Herbert H.
MCGINNIS, Orris
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.
 WHEALE, George
U 1,144,672 June 29, 1915 Fused Test Clamp Insulator
miscellaneous fused test clamp-insulator
WHEALE, George
Miscellaneous  
 WEYMAN, George W.
U 310,484 January 6, 1885 Press for the Manufacture of Insulators and other Glass Articles
Press for making insulators
WEYMAN, George W.
Press 1/2 to Charles T. Weyman
 WESTON, James H.
U 139,841 June 10, 1873 Improvement in Coupling Tubular Lightning Rods
Means of coupling tubular lightning rods
WESTON, James H.
Lightning Rod  
U 174,451 March 7, 1876 Improvement in Lightning Rods
Lightning rod ground point made of sheet copper arranged concave or fluted
WESTON, James H.
Lightning Rod  
U 185,272 December 12, 1876 Improvement in Couplings for Applying Weather Vane Pointers to Lightning Rods, &c.
Coupling to attach weather vane to the lightning rod
WESTON, James H.
Weathervane  
U 231,203 August 17, 1880 Lightning Rod Coupling
Screw coupling for ""star"" rods
WESTON, James H.
Lightning Rod Coupling  
 WESTCOTT, Fred
U 362,801 May 10, 1887 Lightning Rod
Lightning rod a water tank with overflow pipes to ensure tank is full of water
WESTCOTT, Fred
Lightning Rod  
 WEST, J. D.
U 99,381 February 1, 1870 Improvement in Lightning Rods
Square hollow lightning rod connected with square plug that fits inside the ends and secured by crimping with a punch
WEST, J. D.
Lightning Rod  
 WERTS, William
U 270,526 January 9, 1883 Press for Molding Glass
Insulator press for molding glass or porcelain.
WERTS, William
Press  
 WENTWORTH, Fred W.
U 619,915 February 21, 1899 Tie-Wire or Clasp for Insulators
Tie wire clip
WENTWORTH, Fred W.
Tie Wire The Inventor's Novelty Mfg. Co.
 WELSH, Dwight F.
U 123,958 February 20, 1872 Improvement in Lightning Rods
Lightning rod made of sheet metal crimped multiple times and curved to a circle to form a hollow rod with multiple deep flutes
WELSH, Dwight F.
Lightning Rod  
 WELLS, Martin
U 79,618 July 7, 1868 Improvement in Pointed Brackets for Lightning Rods
Lightning rod brass supporting bracket with point attached
WELLS, Martin
Lightning Rod  
 WELLS, Warren A.
HOUSE, George
U 123,600 February 13, 1872 Improvement in Lightning Rods
Lightning rod made of soft iron flat on the back side and fluted on the front side then covered completely with sheet copper
WELLS, Warren A.
HOUSE, George
Lightning Rod  
 WELIN, Andrew J.
U 243,021 June 14, 1881 Lightning Rod Ornament
Lightning rod ornament consisting of a skeleton of metal wires in the shape of a ball
WELIN, Andrew J.
Lightning Rod Ornament  
 WELCH, Walter J.
TRACY, Atlee H.
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.
 WEIR, Charles S.
U 228,962 June 15, 1880 Musical Instrument Insulator
Glass insulator for piano legs
WEIR, Charles S.
Piano  
 WEIMAR, Robert
U 1,712,860 May 14, 1929 Transposition Pin
Pin (metal) through crossarm for transposition
WEIMAR, Robert
Pin  
 WEILL, Robert
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  
 WEIKMAN, Augustus H.
U 601,454 March 29, 1898 Clamping Buckle for Electric Line Wires
Bail wire system for tie wire
WEIKMAN, Augustus H.
Bail Wire  
 WEICKER, William
U 992,462 May 16, 1911 Insulator
Shield acting as a roof over the insulator
WEICKER, William
Shield Porzellanfabrik Kahla, Filiale Hermsdorf Klosterlausnitz
 WEED, James Murray
U 838,482 December 11, 1906 Insulator for Line Conductors
Insulator formed with recesses for pipe pin and metal insert crown
WEED, James Murray
Insulator  
 WECKERLE, Ferdinand
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.
 WEBSTER, George
U 526,472 September 25, 1894 Insulator for Electric Conductors
Knob - self-tying
WEBSTER, George
Knob 1/2 to Arthur Ingraham & Samuel Brown
 WEBSTER, William
U 39,853 September 8, 1863 Improvement in Closing Fruit Cans
Closure for fruit jar with metal locking bar
WEBSTER, William
HU  
U 41,657 February 16, 1864 Improvement in Closing Fruit Cans
Closure for fruit jar with metal locking bar
WEBSTER, William
HU  
 WEBER, JR., August
U Specimen known 917,207 April 6, 1909 Insulator
Knob with offset screw
WEBER, JR., August
Knob August Weber, Sr.
 WEBER, Walter C.
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
 WEBB, Timothy U.
U 11,539 August 15, 1854 Insulator for Lightning Rods
Lightning rod insulator (split circular) with metal screw bracket
WEBB, Timothy U.
Lightning Rod Insulator  
 WEAVER, David
U 851,577 April 23, 1907 Cross Arm Pin
Steel pin with clips at the bottom to secure the pin and ribs at the top to prevent turning
WEAVER, David
Pin  
 WEAVER, Eugene M.
U 932,523 August 31, 1909 Insulator for Third Rails
Third rail insulator.
WEAVER, Eugene M.
Third Rail  
 WAY, Sylvester B.
U Specimen known 928,010 July 13, 1909 Cross Arm Fitting and Insulator Support
Steel bracket that fits and clamps around the crossarm, specimens manufactured by St. Louis Malleable Casting Co., St. Louis, MO
WAY, Sylvester B.
Bracket  
 WATTS, Arthur S.
U 811,602 February 6, 1906 Mold for Plastic Materials
Press mold for forming insulators
WATTS, Arthur S.
Press The Locke Insulator Mfg. Co.
 WATTS, John Henry Charles
U 406,681 July 9, 1889 Lightning Rod
Coupling with flat resilent spring between the sections
WATTS, John Henry Charles
Lightning Rod Coupling  
 WATSON, George B.
U 428,979 May 27, 1890 Electric Insulator
Blocks coated with composition material to support overhead lines for electric railway
WATSON, George B.
Composition The Gould & Watson Co.
 WATKINS, George E.
POND, Leander N.
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
 WATKINS, Thomas H.
U 1,009,810 November 28, 1911 Insulator
Self-tying top groove with metal clip
WATKINS, Thomas H.
Self-tying Miscellaneous  
 WATERS, James
U 735,429 August 4, 1903 Insulator Machine
Plunger for press
WATERS, James
Plunger  
 WATERMAN, Charles H.
D 44,117 May 27, 1913 Design for a Wiring Cleat
Wiring cleat
WATERMAN, Charles H.
Cleat  
 WATANABE, Akihiro
MORI, Shigeo
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.
 WARTENBERG, Erwin W.
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  
 WARREN, Frederic A.
U 1,031,975 July 9, 1912 Mine insulator
Mine insulator
WARREN, Frederic A.
Mine  
U 1,175,849 March 14, 1916 Insulator Base
miscellaneous circular holder with metal support
WARREN, Frederic A.
Miscellaneous  
 WARREN, Pickett L.
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.
 WARNER, Ernest P.
U 593,625 November 16, 1897 Insulated Hanger
Hanger insulator of glass or porcelain encased in metal for arc lamps
WARNER, Ernest P.
Hanger Western Electric Co.
 WARE, Henry Bowles
CORNELL, Chauncey Cortez
U Specimen known 651,680 June 12, 1900 Electric Battery Attachment
Ware battery rest
WARE, Henry Bowles
CORNELL, Chauncey Cortez
Battery  
 WARD, Frank D.
FURNISS, Harry C.
U 786,472 April 4, 1905 Insulator for the Conductors of Electric Railways
Third rail insulator (England; Ohio Brass) (Brown p. 75)
WARD, Frank D.
FURNISS, Harry C.
Third Rail 1/3 to Henry Bradford
 WARD, Henry H.
U 49,482 August 15, 1865 Improvement in Insulators for Telegraph Wires
Hook encased in insulating material with metal covering with dead air space
WARD, Henry H.
Hook S. F. Van Choate & Stuart Gwynne
 WARD, John W.
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.
 WARD, Leonard
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  
 WALTHER, William J.
U Specimen known 700,463 May 20, 1902 Insulator for Electric Circuits
CD 301, CD 321 & U-938 (Strengthening ribs skirt to petticoat)
WALTHER, William J.
Insulator  
 WALLACE, William H.
U 1,176,629 March 21, 1916 Tree Insulator and Wire Supporter
Tree hanger
WALLACE, William H.
Tree  
 WALLACE, William M.
U 264,379 September 12, 1882 Mode of Making Glass Screw Caps
Mode of making glass screw caps for jars. Patent was used by the Cadiz Glass Co.
WALLACE, William M.
Jars 1/2 to Charles M. Rhodes
U 270,162 January 2, 1883 Mold for Forming Glass Screw Caps
Mold for making glass screw caps for jars. Patent was used by the Cadiz Glass Co.
WALLACE, William M.
Jars Charles M. Rhodes
U 275,298 April 3, 1883 Manufacture of Glassware
Method of forming threads in mouth of jars. Patent was used by the Cadiz Glass Co.
WALLACE, William M.
Press  
U 278,472 May 29, 1883 Manufacturing Glass Articles
Method of making a screw top for jars. Patent was used by the Cadiz Glass Co.
WALLACE, William M.
Press  
U 281,740 July 24, 1883 Glass Press
Glass press that can be adapted for insulator manufacture. Patent was used by the Cadiz Glass Co.
WALLACE, William M.
Press  
 WALKER, Oral B.
U 1,032,715 July 16, 1912 Insulator
Crossarms formed from metal pipe with insulators molded on the metal pins
WALKER, Oral B.
Crossarm  
 WALKER, Robert H.
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.
 WALCH, Gustav Theodor
U 508,068 November 7, 1893 Lightning Conductor
Strong, durable lightning rod easily attached to a building with conductor passing through the hollow casing (also patented in England, Switzerland, Belgium, Italy, Spain, France)
WALCH, Gustav Theodor
Lightning Rod  
 WALBERG, Nils A.
U 1,794,934 March 3, 1931 Insulator Connector
Bracket for strain insulator
WALBERG, Nils A.
Bracket Westinghouse Electric & Mfg. Co.
 WAITE, John L.
U Specimen known 70,052 October 22, 1867 Improvement in Telegraph Insulators
Hook in insulating material inserted into crossarm (references Wade insulator) [Smithsonian]
WAITE, John L.
Hook  
 WAHLBERG, Nils A.
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 1,652,506 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 1,730,180 October 1, 1929 Insulator
Suspension insulator made of cylindrical insulator and metal hoods on each end
WAHLBERG, Nils A.
Suspension Westinghouse Electric & Mfg. Co.
 WAGNER, Henry
U 880,343 February 25, 1908 Press Mold for Making Insulators
Insulator mold
WAGNER, Henry
Mold  
 WAGNER, Robert A.
SCHWEDTMANN, Ferdinand
U Specimen known 538,090 April 23, 1895 Electric Cut-Out
Fuse cut-out for transformer (see patent 552,680)
WAGNER, Robert A.
SCHWEDTMANN, Ferdinand
Fuse Holder  
U Specimen known 552,680 January 7, 1896 Electric Cut-Out and Insulator
Cut-out for transformer mounted on and integral to the transformer. (see patent 538,090)
WAGNER, Robert A.
SCHWEDTMANN, Ferdinand
Fuse Holder  
 WADDELL, William W.
U 53,201 March 13, 1866 Telegraph Insulator
Hook with glazed enamel at right angle to square pointed shank
WADDELL, William W.
Hook  
 VROOMAN, Edward C.
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 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 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.
 VOSE, Fred C.
BURNIE, Glen
RUTH, Bernard W.
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.
 VON CRON, Hans
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
 VOGLER, William
U 445,008 January 20, 1891 Insulator
Protective shield for trolley hanger insulator
VOGLER, William
Protective Shield  
 VOGELPHOL, Rol L.
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.
 VINCENT, Harold B.
MCDAVITT, Murray
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.
 VINCENT, Harold Blanchard
SLEEMAN, Harold Parker
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.
 VINCENT, Harvard B.
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 2,861,392 November 25, 1958 Method of sealing TV tubes
Apparatus for Sealing Picture Tubes
VINCENT, Harvard B.
OI Owens-Illinois Glass Co.
 VINCELL, Lafayette M.
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  
 VINCE, Patrick Michael
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.
 VIGNERON, Charles
U 150,112 April 21, 1874 Improvement in Piano Forte Insulators
Glass cup to insulate a piano leg from sending musical vibrations to the floor
VIGNERON, Charles
Piano  
 VICKERS, Antrim L.
U 910,975 January 26, 1909 Cleat for Electric Wires
Cleat
VICKERS, Antrim L.
Cleat  
 VERNOR, Thomas A.
U 1,492,496 April 29, 1924 Insulator and Transposition Device
Transposition insulator with internal channels to transpose the wires
VERNOR, Thomas A.
Transposition  
 VERMILYA, Leland D.
REYBURN, William S.
HUNTER, Edmund A. W.
U 92,551 July 13, 1869 Improvement in Lightning Rods
Star shaped lightning rod made of 4-edged angle iron with a sheet of copper pressed over the outer surface and then twisted (see reissue 8,429)
VERMILYA, Leland D.
REYBURN, William S.
HUNTER, Edmund A. W.
Lightning Rod  
 VERMILYA, Leland D.
U 176,820 May 2, 1876 Improvement in Lightning Rods
Lightning rod made by bending a strip of metal to form two right angle triangles placed back to back and twisted
VERMILYA, Leland D.
Lightning Rod 2/3 to Edwin Pickering and Barton Pickering
U 189,286 April 3, 1877 Improvement in Lightning Rods
Lightning rod of twisted sheet metal fitted with a serrated strip
VERMILYA, Leland D.
Lightning Rod 1/2 to Henry Webbert
 VERMILYA, Leland D.
REYBURN, William S.
HUNTER, Edmund A. W.
R 8,429 September 24, 1878 Improvement in Lightning Rods
Star shaped lightning rod made of 4-edged angle iron with a sheet of copper pressed over the outer surface and then twisted (see 92,551)
VERMILYA, Leland D.
REYBURN, William S.
HUNTER, Edmund A. W.
Lightning Rod Rights of Vermilya to Reyburn, Hunter, and Byron P. Moulton
 VERMA, Mandranjan
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  
 VERES, Frank
U 3,089,051 May 7, 1963 Catadioptric Electroluminescent Glass Block
Glass Block with internal illumination
VERES, Frank
OI Owens-Illinois Glass Co.
U 3,166,687 January 19, 1965 Transparent Electroluminescent Cell and Glass Block
Glass Block with internal illumination
VERES, Frank
OI Owens-Illinois Glass Co.
 VELAZQUEZ, Carlos M.
D 25,830 July 21, 1896 Design for an Insulator Bracket
Bracket (stirrup-shaped) for non-pintype insulator
VELAZQUEZ, Carlos M.
Bracket Charles H. Lockett
 VAUPEL, Albert
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.
 VARNEY, Theodore
U 794,435 July 11, 1905 Thermal Cut-Out
Fuse holder (Westinghouse -- see photo)
VARNEY, Theodore
Fuse Holder Westinghouse Elec. & Mfg. Co.
U 946,623 January 18, 1910 Insulator for Electric lines
Metal cap cemented on crown to hold wire in crown or side groove
VARNEY, Theodore
Cap Westinghouse Electric & Mfg. Co.
 VARLEY, Cromwell F.
U 75,492 March 10, 1868 Improvement in Telegraph Poles
Wire wrapped pole and crossarms to carry leaking electricity to ground
VARLEY, Cromwell F.
Wire  
U Specimen known 75,815 March 24, 1868 Improvement in Insulators for Telegraphs
Earthenware insulator, cemented galvanized pin coated with paraffin (Brown p. 57)
VARLEY, Cromwell F.
Earthenware  
U 76,358 April 7, 1868 Improvement in Electric Telegraphs
Rubber in porcelain or glass shell; glazed shell; sharp drip edge; ears
VARLEY, Cromwell F.
Rubber  
U 76,960 April 21, 1868 Improvement in Insulators for Telegraphs
Oil, wax or rubber saturated insulator to improve same (Brown p. 57)
VARLEY, Cromwell F.
Oil  
 VAN TUYL, Thomas Oliver
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  
 VAN LOON, Nicholas
U 188,444 March 13, 1877 Improvement in Lightning Rods
Lightning rod made of copper sheathed iron wire with several iron wires twisted and wrapped around it
VAN LOON, Nicholas
Lightning Rod  
U 190,391 May 1, 1877 Improvement in Lightning Rods
Lightning rod made of a central galvanized iron rod twisted around with several galvanized rods all soldered together then intertwined with strips of copper that are soldered to the core
VAN LOON, Nicholas
Lightning Rod  
 VAN ETTEN, Frank C.
U 1,013,241 January 2, 1912 Insulator
Clamp type
VAN ETTEN, Frank C.
Clamp Type  
 VAN CHOATE, S. F.
U Specimen known 47,141 April 4, 1865 Improvement in Insulators for Telegraphs
Bracket (wooden) with recessed bowl to hold ramshorn [Smithsonian]
VAN CHOATE, S. F.
Bracket  
 VAN ATTA, Cloyd A.
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 1,778,176 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.
 VAN ATTA, Cloyd B.
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 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.
 VALE, Theodore N.
U 279,289 June 12, 1883 Telegraph and Telephone Line
Use of copper wire instead of iron and crossarms between poles to keep the wires separated
VALE, Theodore N.
Miscellaneous  
 VAIL, Jonathan H.
U Specimen known 357,050 February 1, 1887 Lightning Protector for Electrical Conductors
Barbed wire as a conductor for lightning protection placed above the electrical conductors on poles
VAIL, Jonathan H.
Lightning  
 UPTON, Francis R.
U 315,679 April 14, 1885 Lightning Conductor
Barbed wire conductor and netting array to protect buildings or tanks
UPTON, Francis R.
Lightning Rod  
 UNDERWOOD, Alvah W.
U 732,665 June 30, 1903 Insulating System for Electric Transmission Circuits
Bracket to hold multiple insulators for high tension line
UNDERWOOD, Alvah W.
Bracket  
 TWIGGS, William R.
U Specimen known 798,235 August 29, 1905 Insulator
CD 141.7
TWIGGS, William R.
Insulator  
 TURNER, Edward S.
U 211,441 January 14, 1879 Improvement in Lightning Rod Couplings
Coupling for lightning rod that is cast in iron on the ends of the rods and provided with male and female threaded ends
TURNER, Edward S.
Lightning Rod Coupling  
U 215,028 May 6, 1879 Improvement in Weather Vanes
Metallic weather vane fitted with panes of colored glass in the tail
TURNER, Edward S.
Lightning Rod Ornament  
 TURNER, John P.
U 895,916 August 11, 1908 Lightning Rod Terminal
Lightning rod terminal with a broad compartment filled with charcoal to aid in conductivity
TURNER, John P.
Lightning Rod  
 TUFTS, JR., John R.
U 964,586 July 19, 1910 Insulator
Knob - self-tying
TUFTS, JR., John R.
Knob 1/2 to F. W. Clark
 TRUNNELL, Harold K.
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  
 TRINGHAM, John Watson
U 296,485 April 8, 1884 Means for Supporting and Insulating Electrical Wires
Wedge block for side of pole or driven in hole in crossarm
TRINGHAM, John Watson
Wedge  
U 330,173 November 10, 1885 Means for Supporting Electrical Wires
Pin split with metal cap to hold wire
TRINGHAM, John Watson
Pin  
 TRIMBLE, William D.
U 503,778 August 22, 1893 Insulator for Electric Wires
Clamp type cylindrical 2 piece
TRIMBLE, William D.
Clamp Type  
U 527,254 October 9, 1894 Insulator
Cleat - 2 piece
TRIMBLE, William D.
Cleat  
 TRELEAVEN, John
U 627,366 June 20, 1899 Insulator for Fastening Electric Wires
Knob - self-tying
TRELEAVEN, John
Knob Harry Painter and Christopher Turton
 TREHARNE, Frederick G.
U 580,628 April 13, 1897 Insulator and Insulating Conduit or Tubing for Electrical Purposes
Composition insulator of asbestos and cement
TREHARNE, Frederick G.
Composition  
 TRAVIS, Charles L.
U 336,828 February 23, 1886 Insulator
Hanger for lamp
TRAVIS, Charles L.
Hanger  
 TRACY, John J.
U 586,700 July 20, 1897 Electric Line Insulator
Bracket for insulator on moveable (adjustable angle) base
TRACY, John J.
Bracket  
 TOWARD, Charles P.
U 565,944 August 18, 1896 Insulator Support
Pin
TOWARD, Charles P.
Pin  
 TOTTEN, Robert C.
U 926,521 June 29, 1909 Method of Protecting Buildings from Lightning
Method of improving lightning protection by keeping the roof cool with air or water
TOTTEN, Robert C.
Lightning Rod System  
 TOROK, Julius J.
U 2,383,090 August 21, 1945 Electric Insulator
Suspension insulator with improved cementing methods
TOROK, Julius J.
Suspension Corning Glass Works
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 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 3,129,089 April 14, 1964 Forming Glass Articles
Press for glass blocks & TV faceplates
TOROK, Julius J.
OI Owens-Illinois Glass Co.
U 3,148,047 September 8, 1964 Press-Molding Machine With Heat Flow Control
TV Faceplate molding machine
TOROK, Julius J.
OI Owens-Illinois Glass Co.
U 3,202,498 August 24, 1965 Glass Forming Plunger
Glass press for TV faceplates and glass block
TOROK, Julius J.
OI Owens-Illinois Glass Co.
 TOMPKINS, Edward M.
U 893,285 July 14, 1908 Electric Cable Insulator
Terminal insulator providing a tight seal between conductor running down through the center of the insulator
TOMPKINS, Edward M.
Insulator  
 TOEPFER, Walter J.
STUTSKE, William A.
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.
 TOEPFER, Walter J.
PRENDERGAST, John R.
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.
 TINSLEY, Addison B.
U 945,350 January 4, 1910 Insulator
Two part insulator fitted in the underside of the crossarm.
TINSLEY, Addison B.
Under Crossarm  
U 999,683 August 1, 1911 Insulator
Clamp type
TINSLEY, Addison B.
Clamp Type  
 TILGHMAN, Benjamin C.
U 108,408 October 18, 1870 Improvement in Cutting and Engraving Stone, Metal, Glass &c.
Method of sandblashing to cut or engrave
TILGHMAN, Benjamin C.
Engraving  
 THOMS, Alexander P.
KELLER, Carl A.
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  
 THOMPSON, George E.
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  
D 56,715 November 30, 1920 Design for a Ball for Lightning Rods and Barn Ventilators
Glass ball with spiralling and intersecting grooves on the surface
THOMPSON, George E.
Lightning Rod Ornament  
 THOMPSON, Thomas
U 963,830 July 12, 1910 Lightning Rod Construction
Lightning rod Y-shaped tubular support for points
THOMPSON, Thomas
Lightning Rod  
 THOMPSON, Warren Ray
U 974,207 November 1, 1910 Insulator Support
Bracket for 3-phase circuit using multipart insulator oriented in shape of >
THOMPSON, Warren Ray
Bracket H. M. Byllesby & Co.
 THOMAS, Cyril H.
U 1,388,217 August 23, 1921 Insulator
Metal cap to secure conductor to the top of the insulator
THOMAS, Cyril H.
Miscellaneous  
 THOMAS, George W.
U 788,120 April 25, 1905 Press for Plastic Material
Insulator press for forming the bottom shell and threaded pinhole of multipart porcelain insulators (Thomas blue jean seam impression in bottom skirt)
THOMAS, George W.
Press The R. Thomas & Sons Co.
U 806,717 December 5, 1905 High Voltage Insulator
Skirt (inner) cemented to insulator & extending to crossarm
THOMAS, George W.
Skirt The R. Thomas & Sons Co.
U 878,910 February 11, 1908 Die for Saggers and the Like
Metal dies for making saggers.
THOMAS, George W.
Sagger The R. Thomas & Sons Co.
 THOMAS, James
THOMAS, William R.
U 644,646 March 6, 1900 Insulator for Use on Electric Railways
Third rail insulator
THOMAS, James
THOMAS, William R.
Third Rail  
 THOMAS, James H.
U 136,191 February 25, 1873 Improvement in Insulators for Battery Cups
Battery insulator cup to collect moisture or acid
THOMAS, James H.
Battery 1/2 to A. G. Tomay
 THOMAS, Noah T.
U 1,860,791 May 31, 1932 Lighting Fixture
Porcelain lighting fixture.
THOMAS, Noah T.
Fixture The Hartford Faience Co.
U 1,947,118 February 13, 1934 Lighting Fixture
Porcelain lighting fixture
THOMAS, Noah T.
Fixture The Hartford Faience Co.
 THOMAS, Percy H.
U 1,250,387 December 18, 1917 Electric Insulator
Suspension made of several parts bolted together
THOMAS, Percy H.
Suspension  
U 1,273,015 July 16, 1918 Electric Insulator
Suspension made of several parts bolted together
THOMAS, Percy H.
Suspension  
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 1,373,576 April 5, 1921 Electric Insulator
Suspension insulator composed of several parts to withstand tension
THOMAS, Percy H.
Suspension  
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.
 THOMAS, Van A.
U 459,843 September 22, 1891 Insulator
Hanger knob
THOMAS, Van A.
Hanger 1/2 to Andrew Ross
U 463,587 November 17, 1891 Insulator Bracket
Bracket
THOMAS, Van A.
Bracket 1/2 to Andrew D. Ross
U 463,588 November 17, 1891 Insulator Bracket
Bracket
THOMAS, Van A.
Bracket 1/2 to Andrew D. Ross
 THIRY, Leon
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  
 TESLA, Nikola
U 1,266,175 May 14, 1918 Lightning Protector
Lightning rod elevated above the building with multiple downwardly curving points
TESLA, Nikola
Lightning Rod  
 TERRY, William C.
U 882,979 March 24, 1908 Strain Insulator
Wood strain insulator with metal caps on each end and special eye to receive a hook
TERRY, William C.
Strain The MacAllen Co.
 TELLER, Daniel W.
SAVAGE, William L.
U 70,132 October 22, 1867 Improvement in Telegraph Insulators
Slotted, flanged insulator in slot in crossarm
TELLER, Daniel W.
SAVAGE, William L.
Slotted Themselves and W. H. Hoag
 TEAGUE, Walter D.
D 112,746 December 27, 1938 Design for a Hollow Glass Building Block
Block design with wave design
TEAGUE, Walter D.
OI Owens-Illinois Glass Co.
 TAYLOR, Arch B.
LONG, Cornelia Taylor
SOHN, Archie C.
D 72,459 April 12, 1927 Design for a Bottle
Design for Bottle (Big Boy)
TAYLOR, Arch B.
LONG, Cornelia Taylor
SOHN, Archie C.
HU Taylor-Long Co.
 TAYLOR, Arch B.
D 78,667 May 28, 1929 Design for a Bottle
Design for Bottle (Billy Boy)
TAYLOR, Arch B.
HU  
 TAYLOR, Burnley
U 217,427 July 8, 1879 Improvement in Telegraph Insulators
Self-tying screw top
TAYLOR, Burnley
Self-tying Screw Top  
 TAYLOR, Edward L.
U 121,686 December 5, 1871 Improvement in Sounding Boards for Pianos
Support for piano comprised of three layers of wooden boards
TAYLOR, Edward L.
Piano  
 TAYLOR, John J.
U 1,937,731 December 5, 1933 Insulator
Pin for suspension disk
TAYLOR, John J.
Suspension The Ohio Brass Co.
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 1,994,292 March 12, 1935 Insulator
Special design of pin for suspension insulator
TAYLOR, John J.
Suspension The Ohio Brass 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 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.
 TAYLOR, John J.
BOVARD, Floyd D.
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.
 TAYLOR, John J.
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 2,135,362 November 1, 1938 Insulator
Fog type suspension insulator
TAYLOR, John J.
Fog Type The Ohio Brass 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.
U 2,155,848 April 25, 1939 Insulator
Helical suspension & helical post type
TAYLOR, John J.
Helical The Ohio Brass 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 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 2,275,208 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 2,443,435 June 15, 1948 Insulator
Suspension, pin design to prevent expansion stress from corrosion
TAYLOR, John J.
Suspension The Ohio Brass Co.
U 2,443,436 June 15, 1948 Insulator
Suspension with moisture resistant cushion at bottom of cap and pin
TAYLOR, John J.
Suspension The Ohio Brass Co.
 TAYLOR, John L.
D 114,352 April 18, 1939 Design for an Electric Insulator
Suspension insulator
TAYLOR, John L.
Suspension  
 TAYLOR, William C.
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
 TAUBOLD, John F.
U 805,169 November 21, 1905 Insulator and Wire Clamp
Self-tying clamping with lever (see 552,501)
TAUBOLD, John F.
Self-tying Miscellaneous  
 TATOM, Isaac I.
U 139,436 May 27, 1873 Improvement in Insulators for Telegraph lines
Cylinder insulator held by threaded wooden pin bracket
TATOM, Isaac I.
Cylinder  
 TATEM, William A.
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.
 TAPLIN, Alvin
U 161,912 April 13, 1875 Improvement in Modes of Forming Sheet Metal Threaded Collars
Oil lamp collar
TAPLIN, Alvin
HU  
 TALLMAN, Oscar F.
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.
 SYNAR, Joseph
U 266,552 October 24, 1882 Insulator for Musical Instruments
Hollow glass insulator for piano legs
SYNAR, Joseph
Piano 2/3 to Henry B. Synar and John T. Synar
 SWORTFIGER, George F.
U 887,358 May 12, 1908 Wall Bracket
Insulator pin bracket
SWORTFIGER, George F.
Bracket  
 SWIFT, Joseph H.
MAINTIEN, William F.
U 531,702 January 1, 1895 Cleat for Electric Wiring
Cleat - 2 piece
SWIFT, Joseph H.
MAINTIEN, William F.
Cleat  
 SWENSON, John S.
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 1,128,261 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.
 SWENSON, John S.
STEHLIK, Frank E.
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  
 SWEENEY, James M.
U 1,008,087 November 7, 1911 Insulator
Cleat - self-tying
SWEENEY, James M.
Cleat  
 SWEARINGEN, Walter E.
U 1,176,618 March 21, 1916 Insulator
Self-tying
SWEARINGEN, Walter E.
Self-tying Miscellaneous  
 SWARTZ, Otto P.
U 1,186,862 June 13, 1916 Insulator
Knob
SWARTZ, Otto P.
Knob  
 SWANSON, Hans
U 814,887 March 13, 1906 Insulator Attachment
Tie wire camming lever
SWANSON, Hans
Tie Wire  
 SUZUKI, Yoshihiro
KUTSUNA, Eiji
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.
 SUTTER, John H.
D 115,432 June 27, 1939 Design for a Hollow Glass Building Block
Square block design with quarter circle concave ridges
SUTTER, John H.
OI Owens-Illinois Glass Co.
D 151,797 November 16, 1948 Design for a Hollow Glass Building Block
Design for glass block
SUTTER, John H.
OI Owens-Illinois Glass Co.
D 151,798 November 16, 1948 Design for a Hollow Glass Building Block
Design for glass block
SUTTER, John H.
OI Owens-Illinois Glass Co.
D 151,799 November 16, 1948 Design for a Hollow Glass Building Block
Design for glass block
SUTTER, John H.
OI Owens-Illinois Glass Co.
U 2,738,838 March 20, 1956 Glass Block Ventiliating Device
Operable glass block vent
SUTTER, John H.
OI Owens-Illinois Glass Co.
 SULLIVAN, Eugene C.
TAYLOR, William C.
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 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
 STUTSKE, William A.
TOROK, Julius J.
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.
 STUTSKE, William A.
WOOD, JR., Frederick H.
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.
 STUBBINGS, Edwin L.
U 1,663,421 March 20, 1928 Line Breaker
Breaker insulator similar to guy strain
STUBBINGS, Edwin L.
Breaker  
 STUART, Harry J.
WOODMAN, David D.
U 636,081 October 31, 1899 Lightning Rod
Lightning rod and conductors with wind-powered current charging a battery to intermittently pass current through the system to aid in lightning protection
STUART, Harry J.
WOODMAN, David D.
Lightning Rod  
 STROUP, Charles L.
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 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 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 2,008,342 July 16, 1935 Insulator
Suspension disk with metal spider cap over crown cemented in porcelain
STROUP, Charles L.
Suspension Jeffery-Dewitt Insulator Co.
 STRONG, Justin E.
U 2,056 April 19, 1841 Improvement in the Mode of Connecting the Rods of Lightning Conductors, Etc.
Lightning rod attached to building with a hook clip
STRONG, Justin E.
Lightning Rod  
 STRONG, M. Harrison
U 889,884 June 2, 1908 Insulator
Wireholder comprising two spools and metal holder
STRONG, M. Harrison
Wireholder 1/2 to Solomon E. Bronson
 STROH, William G.
U 730,805 June 9, 1903 Insulator
Self-tying slot top
STROH, William G.
Self-tying Slot Top  
 STREET, Richard
U 106,426 August 16, 1870 Improvement in Clasps for Lightning Rods
A lightning rod holder made of two parts held together with a clip and point to drive into the building
STREET, Richard
Lightning Rod  
 STRAM, Charlie J.
U 587,614 August 3, 1897 Electric Wire Holder
Wireholder
STRAM, Charlie J.
Wireholder  
 STOTZ, Hugo
U 851,705 April 30, 1907 Insulator
Roof entry insulator
STOTZ, Hugo
Roof  
 STORROR, Leonard W.
U Specimen known 882,803 March 24, 1908 Insulator
CD 211
STORROR, Leonard W.
Insulator  
 STONE, Amasa
U 13,402 August 7, 1855 Forming Screw Threads, etc., in the Necks of Glass Bottles and Similar Articles
Threads formed internally in necks of bottles and insulators
STONE, Amasa
Thread  
 STONE, Ross C.
U 295,073 March 11, 1884 Telegraph Wire Supporter
Split insulator that fits around conductor and connected to adjacent split insulator with tie-wire
STONE, Ross C.
Miscellaneous  
 STOHL, Ludwig A.
D Specimen known 115,530 July 4, 1939 Design for a Porcelain Insulator
Fence knob (Wisconsin Porcelain Co. president)
STOHL, Ludwig A.
Knob Wisconsin Porcelain Co.
D 115,578 July 4, 1939 Design for a Porcelain Insulator
Fence knob (Wisconsin Porcelain Co. president)
STOHL, Ludwig A.
Knob  
 STOECKEL, Albert L.
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.
 STOCKWELL, Millard E.
U 1,065,983 July 1, 1913 Insulator
Pin (metal) formed from sheet metal
STOCKWELL, Millard E.
Pin  
 STINSON, William L.
STROUP, Charles L.
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.
 STINSON, William L.
U 1,976,418 October 9, 1934 Attachment for Insulators
Attachment for strain insulator
STINSON, William L.
Strain Jeffery-Dewitt Insulator Co.
 STILLWELL, Lewis B.
D Specimen known 34,211 March 12, 1901 Design for an Insulating Support for Electric Conductors
U-966 (see 689,218)
STILLWELL, Lewis B.
Pin-type  
 STEWART, JR., Samuel B.
U 723,062 March 17, 1903 Third Rail Insulator
Third rail insulator with ears that move in to secure the rail.
STEWART, JR., Samuel B.
Third Rail General Electric Co.
U 771,334 October 4, 1904 Third Rail Insulator
U-shaped third rail insulator metal caps fitting over each part to support rails.
STEWART, JR., Samuel B.
Third Rail General Electric Co.
U 808,222 December 26, 1905 Third Rail Insulator
Third rail insulator that fits in metal support and cemented metal cap to secure the rail.
STEWART, JR., Samuel B.
Third Rail General Electric Co.
 STEWART, Lory B.
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
 STEWART, Lory B.
STEWART, Alvin J.
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
 STEWARD, Demetrius M.
U 271,994 February 6, 1883 Electrical Insulator
Method of treating steatite to make artificial lava insulation
STEWARD, Demetrius M.
Lava  
U 816,270 March 27, 1906 Refractory Material for Electric Insulation and Other Purposes
Insulating material made of steatite and water glass known as artificial lava
STEWARD, Demetrius M.
Misc  
U 816,271 March 27, 1906 Process of Producing New Refractory Material for the Manufacture of Insulators and Other Uses
Insulating material made of steatite and water glass known as artificial lava
STEWARD, Demetrius M.
Misc  
 STEVENS, Charles Whitney
U 1,848,501 March 8, 1932 Caster Base
Wood, cork, and felt support for piano legs
STEVENS, Charles Whitney
Piano  
 STEVENS, Frank J.
U 1,412,759 April 11, 1922 Cementless Strain Insulator
Suspension disks connected by circular clamps
STEVENS, Frank J.
Suspension Locke Insulator Corp.
U 1,931,626 October 24, 1933 Insulator
Threads molded from cement in finished insulator
STEVENS, Frank J.
Thread Locke Insulator Corp.
 STEVENS, Henry M.
U 631,234 August 15, 1899 Cleat for Electric Wiring
Cleat
STEVENS, Henry M.
Cleat 1/2 to The Pettingill Andrews Co.
 STEVENS, Leland J.
U 2,292,248 August 4, 1942 Bushing
Bushing composed of several parts with open chambers
STEVENS, Leland J.
Bushing Locke Insulator Corp.
 STEVENS, Leland James
U 2,093,875 September 21, 1937 Strain Insulator
Strain insulator for radio antennas
STEVENS, Leland James
Strain Locke Insulator Corp.
 STEVENS, Leland S.
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.
 STETTINIUS, Kenneth E.
DEWEY, Benjamin F.
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 2,337,691 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.
 STERLING, Richard H.
U Specimen known 664,301 December 18, 1900 Insulator
M-2795, top is flattened cone with vertical flange & detachable spout
STERLING, Richard H.
Insulator The Stanley Electric Mfg. Co.
 STEPHENSON, George A.
SUTLIFF, Oliver L.
U 118,166 August 15, 1871 Improvement in Lightning Rods
Coupling for tubular or solid lightning rods that is screwed together and made solid by a ferrule secured with a pin
STEPHENSON, George A.
SUTLIFF, Oliver L.
Lightning Rod Coupling  
 STEPHENS, Benjamin George Claude
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  
 STEPHEN, Charles Wm.
U 548,669 October 29, 1895 Insulator Pin
Pin with threaded wooden cone and steel bolt
STEPHEN, Charles Wm.
Pin  
 STEINMETZ, Charles P.
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.
 STEINMAYER, Alwin G.
U 1,779,501 October 28, 1930 Insulator
Wireholder with lag screw
STEINMAYER, Alwin G.
Wireholder Line Material 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.
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 2,650,263 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.
 STEINBERGER, Louis
U 724,351 March 31, 1903 Insulated Strain
Electrose strain (Brown p. 69)
STEINBERGER, Louis
Electrose  
U 749,335 January 12, 1904 Insulator
Electrose insulator to hold heavy conductor on top (similar to 578,825)
STEINBERGER, Louis
Electrose  
U 750,722 January 26, 1904 Insulator
Metal encased insulator with metal cap to hold cable (Brown p. 25)
STEINBERGER, Louis
Metal  
U 761,553 May 31, 1904 Third Rail Support
Third rail insulator made of Electrose
STEINBERGER, Louis
Third Rail  
U 783,229 February 21, 1905 Locking Insulator
Self-tying screw top
STEINBERGER, Louis
Self-tying Screw Top  
U 783,230 February 21, 1905 Insulator Support
Steel pin supporting Electrose cover composed of threads and gutter at the bottom for transmitting water away from pin
STEINBERGER, Louis
Pin  
U 786,690 April 4, 1905 Multiple Hood Insulator
Electrose multipart pin type (Brown p. 70)
STEINBERGER, Louis
Electrose  
U 786,691 April 4, 1905 Strain
Electrose strain (Brown p. 69)
STEINBERGER, Louis
Electrose  
U 789,573 May 9, 1905 Insulator
Self-tying with metal screw plug in top of crown
STEINBERGER, Louis
Self-tying Miscellaneous  
U 806,509 December 5, 1905 Composite Insulator
Multipart insulator made of Electrose with parts screwed together
STEINBERGER, Louis
Multipart  
U 823,820 June 19, 1906 Prong Insulator
Ramshorn made of Electrose with lips and spout
STEINBERGER, Louis
Ramshorn  
U 839,666 December 25, 1906 Built up Insulator
Oil used in hidden reservoir of multipart insulator made of Electrose
STEINBERGER, Louis
Oil  
U 848,506 March 26, 1907 Insulator Pin and Support Therefor
Pin made of Electrose
STEINBERGER, Louis
Pin  
U 853,743 May 14, 1907 Insulating Device
Pin made of Electrose with flange on bottom
STEINBERGER, Louis
Pin  
U 853,744 May 14, 1907 High Tension Insulator
Multipart pintype insulator with large top skirt
STEINBERGER, Louis
Electrose  
U 855,261 May 28, 1907 Insulator Pin
Pin made of Electrose with flanges
STEINBERGER, Louis
Pin  
U 855,355 May 28, 1907 High Potential Insulator
Electrose multipart insulator for high voltages
STEINBERGER, Louis
Electrose  
U 877,804 January 28, 1908 Insulator for Heavy Conductors
Third rail insulator made of Electrose.
STEINBERGER, Louis
Third Rail  
U 879,068 February 11, 1908 Insulator for High Tension Currents
Odd electrose insulator with large hood over the top
STEINBERGER, Louis
Electrose  
U 885,678 April 21, 1908 Insulator for Heavy Currents
Heavy duty Electrose insulator that was bolted to supports and had several horizontal flanges or skirts.
STEINBERGER, Louis
Electrose  
U Specimen known 904,370 November 17, 1908 Disk Strain Insulator
Electrose suspension, small strain specimen marked with this patent and 927,186
STEINBERGER, Louis
Electrose  
U 905,014 November 24, 1908 Flexible Suspension for Conductors
Electrose suspension system
STEINBERGER, Louis
Electrose  
U 913,439 February 23, 1909 Disk Insulator
Electrose pintype insulator with multiple parts and skirts
STEINBERGER, Louis
Electrose  
U 917,501 April 6, 1909 Third Rail Insulator
Electrose third rail insulator.
STEINBERGER, Louis
Third Rail  
U Specimen known 927,186 July 6, 1909 High Potential Strain Insulator
Electrose strain insulator, specimen marked with this patent
STEINBERGER, Louis
Electrose  
U 927,187 July 6, 1909 Insulator
Electrose disk insulator
STEINBERGER, Louis
Electrose  
U 928,709 July 20, 1909 Insulator for Third Rails
Third rail insulator made of Electrose
STEINBERGER, Louis
Third Rail  
U 949,604 February 15, 1910 System of Insulation
Thimble shaped suspension insulator separated by tubular insulator
STEINBERGER, Louis
Thimble  
U 974,610 November 1, 1910 Strain Insulator
Suspension made from Electrose
STEINBERGER, Louis
Suspension  
U 999,414 August 1, 1911 High Tension Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,011,652 December 12, 1911 Strain Insulator
Strain, ribbed made of Electrose
STEINBERGER, Louis
Strain  
U 1,054,148 February 25, 1913 High Voltage Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,054,469 February 25, 1913 High Voltage Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,057,184 March 25, 1913 Insulating Means
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 1,072,525 September 9, 1913 Suspension Insulator
Odd system for suspending power lines
STEINBERGER, Louis
Electrose  
U 1,118,694 November 24, 1914 Disk Strain Insulator
Suspension made of Electrose like fishtail Hewlett
STEINBERGER, Louis
Suspension  
U 1,122,326 December 29, 1914 High Potential Insulator
Multipart insulator made of Electrose
STEINBERGER, Louis
Multipart  
U 1,139,142 May 11, 1915 Locking Clip
Locking clip for an Electrose hanger insulator
STEINBERGER, Louis
Hanger  
U 1,143,149 June 15, 1915 Insulator
Electrose strain that can be bolted between two crossarms
STEINBERGER, Louis
Electrose  
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 1,160,543 November 16, 1915 High Voltage Strain Insulator
Suspension made of Electrose units
STEINBERGER, Louis
Electrose  
U 1,160,546 November 16, 1915 Disk Strain Insulator
Suspension made of Electrose like fishtail Hewlett
STEINBERGER, Louis
Electrose  
U 1,166,391 December 28, 1915 Insulator
Disk type strain with petticoats
STEINBERGER, Louis
Electrose  
U 1,166,392 December 28, 1915 Insulator
Electrose strain that can be bolted between two crossarms
STEINBERGER, Louis
Electrose  
U 1,166,393 December 28, 1915 Insulator
Electrose high tension pintype insulator
STEINBERGER, Louis
Electrose  
U 1,166,394 December 28, 1915 Spool Type Disk Strain Insulator
Suspension composed of ribbed spools made of Electrose
STEINBERGER, Louis
Electrose  
U 1,182,940 May 16, 1916 High Voltage Insulator
Suspension, two part made of Electrose
STEINBERGER, Louis
Suspension  
U 1,186,857 June 13, 1916 High Tension Strain Insulator
Rigid suspension insulator made of multiple units
STEINBERGER, Louis
Electrose  
R 14,204 October 17, 1916 Insulator
Electrose disk insulator. Reissue of patent 927,187
STEINBERGER, Louis
Electrose  
U 1,205,812 November 21, 1916 Strain Insulator
Suspension made of Electrose similar to Hewlett with interlocking links
STEINBERGER, Louis
Suspension  
U 1,206,158 November 28, 1916 Safety Strain Insulator
Suspension made of Electrose with special interlocking links
STEINBERGER, Louis
Suspension  
U 1,206,159 November 28, 1916 Safety Strain Disk Insulator
Strain made of Electrose with special interlocking links
STEINBERGER, Louis
Strain  
U 1,206,160 November 28, 1916 High Potential Insulator
Electrose modified pin type
STEINBERGER, Louis
Electrose  
U 1,212,703 January 16, 1917 Disk Type Chain Insulator
Suspension made of Electrose with special interlocking links
STEINBERGER, Louis
Suspension  
U 1,212,704 January 16, 1917 Disk Strain Insulator
Suspension or disk strain made of Electrose with corrugations top and bottom
STEINBERGER, Louis
Suspension  
U 1,212,706 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 1,212,707 January 16, 1917 Detachable Connection for Chain Links
Link connectors for Electrose suspension disks
STEINBERGER, Louis
Suspension  
U 1,212,708 January 16, 1917 Wire Clamp
Cable clamp for Electrose suspension disks
STEINBERGER, Louis
Suspension  
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 1,228,711 June 5, 1917 Connecting Device for Chain-Type Insulators
Suspension link coupling
STEINBERGER, Louis
Suspension  
U 1,231,090 June 26, 1917 Suspension Means for Strain Insulators
Link connectors for suspension disks
STEINBERGER, Louis
Suspension  
U 1,335,801 April 6, 1920 Insulator
Electrose strain (Brown p. 69)
STEINBERGER, Louis
Electrose  
U 1,348,248 August 3, 1920 Disk Suspension Insulator
Suspension, Electrose similar to Hewlett
STEINBERGER, Louis
Suspension  
U 1,348,249 August 3, 1920 Insulator Knob
Electrose knob
STEINBERGER, Louis
Knob  
U 1,403,717 January 17, 1922 Insulator
Strain or suspension in compression
STEINBERGER, Louis
Electrose  
U 1,406,696 February 14, 1922 Self-Cooling Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,406,697 February 14, 1922 Self-Cooling Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,426,516 August 22, 1922 Insulator
Electrose strain insulator with side ribs
STEINBERGER, Louis
Electrose  
U 1,426,788 August 22, 1922 Insulator Strain Member
Metal interlocking members for an Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,443,657 January 30, 1923 Insulator
Electrose suspension insulator
STEINBERGER, Louis
Suspension  
U 1,444,434 February 6, 1923 Insulator Supporting Pin
Pin with corkscrew for threading into bottom of Electrose insulator
STEINBERGER, Louis
Pin  
U 1,446,135 February 20, 1923 Insulator
Electrose high voltage insulator with special steel pin threaded at the bottom
STEINBERGER, Louis
Electrose  
U 1,446,523 February 27, 1923 Insulator
Suspension, disk made of Electrose with metal cap
STEINBERGER, Louis
Suspension  
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 1,448,096 March 13, 1923 Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,448,604 March 13, 1923 Column Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,451,968 April 17, 1923 Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,453,201 April 24, 1923 Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,468,042 September 18, 1923 Column Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,468,043 September 18, 1923 Insulator Supporting Pin
Electrose pin
STEINBERGER, Louis
Pin  
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 1,493,054 May 6, 1924 Ball and Socket Insulator Connection
Ball and socket connection for an Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,501,732 July 15, 1924 Column Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,513,291 October 28, 1924 Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,702,235 February 12, 1929 System of Line Insulation and Insulators Therefor
Odd Electrose insulator
STEINBERGER, Louis
Insulator  
 STEINBERG, JR., Henry W.
U 586,372 July 13, 1897 Insulator
Self-tying slot top with perpendicular hole for retainer
STEINBERG, JR., Henry W.
Self-tying Slot Top  
 STEIN, Laurence B.
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.
 STEFFES, Anton J.
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  
 STEBBINS, Darius
U Specimen known 66,054 June 25, 1867 Improvement in Lightning Rod Insulators
Lightning rod insulator (glass) with tie wire to hold conductor
STEBBINS, Darius
Lightning Rod Insulator 1/2 to E. Morse
 STEARNS, Charles
U 25,534 September 20, 1859 Machine for Making Lightning Rods
Machine for making corrugated, twisted lightning rods out of sheet metal
STEARNS, Charles
Lightning Rod Machine  
U 65,775 June 11, 1867 Improvement in Lightning Rods
Lightning rod made of a continuous strip of copper wound and corrugated into rods
STEARNS, Charles
Lightning Rod Jacob A. Kissell and Nathan Blickensderfer
 STEARNS, Joseph B.
U 107,303 September 13, 1870 Improvement in Attaching Insulators to Telegraph Poles
Threadless insulator mounted on pin via horizontally inserted keeper pin
STEARNS, Joseph B.
Threadless  
 STAUFFER, Henry D.
U 854,315 May 21, 1907 Insulator
Clamp type
STAUFFER, Henry D.
Clamp Type  
 STAUB, Arthur J.
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  
 STATON, Harry C.
U 1,886,984 November 8, 1932 Insulator Structure
Radio strain insulator for antennas
STATON, Harry C.
Radio  
 STARK, Charles H.
LENKE, George H.
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.
 STARK, Charles H.
U 2,947,267 August 2, 1960 Skylight Mounting
Glass block for skylight
STARK, Charles H.
OI Owens-Illinois Glass Co.
 STANTON, Fafayette
U 888,763 May 26, 1908 Line Wire Fastener
Tie wire replacement consisting of wire, metal strap, and lever
STANTON, Fafayette
Tie Wire 5/100 to Forsyth Mfg. Co.
 STANLEY, George E.
U 422,651 March 4, 1890 Insulator
Cleat with split ends
STANLEY, George E.
Cleat  
 STANLEY, Vincent C.
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.
 STANFORD, JR., Joseph Addison
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.
 STAHL, Loren
U 1,163,114 December 7, 1915 Insulator
Cleat
STAHL, Loren
Cleat  
 STADERMANN, Albert L.
U 926,906 July 6, 1909 Distributing Insulator Bracket
Bracket with spools for tying off drop lines
STADERMANN, Albert L.
Bracket  
U Specimen known 954,596 April 12, 1910 Insulator
Knob (Fireplug)
STADERMANN, Albert L.
Knob  
 SPROAT, Clinton
TARR, Edward N.
U Specimen known 544,778 August 20, 1895 Insulator for Electric or Other Wires
CD 207.2 self-tying screw top similar to Prenzel patent (top is known but not the bottom)
SPROAT, Clinton
TARR, Edward N.
Self-tying Screw Top  
 SPRINGEN, Knudt G.
U 794,645 July 11, 1905 Insulator Bracket for Telephone Poles, etc.
Wire device to secure a side pin to a pole
SPRINGEN, Knudt G.
Pin  
 SPRATT, James
U 7,008 January 8, 1850 Improvement in Alloys for Points of Lightning Rods
Alloy composed of tin, antimony, bismuth, silver, platinum, and silex
SPRATT, James
Lightning Rod Point  
U Specimen known 7,076 February 5, 1850 Lightning Rod Insulator
Lightning rod insulator (attachment for conductors)
SPRATT, James
Lightning Rod Insulator  
U 8,930 May 4, 1852 Improvement in Lightning Rods
Lightning rod point made of steel coated with various other metals such as copper, tin, etc.
SPRATT, James
Lightning Rod Point  
U 9,995 September 6, 1853 Improvement in Bottle Fastenings
Sealing method for glass jars
SPRATT, James
Bottle  
U 11,332 July 18, 1854 Improvement in Hermetical Sealing
Metal can with rubber gasket (see reissue 1,593)
SPRATT, James
Can  
U 18,606 November 10, 1857 Candlestick
Method of attaching a candle to a candlestick
SPRATT, James
Candlestick  
 SPICER, Frank M.
U 1,161,080 November 23, 1915 Insulator
Self-tying screw top
SPICER, Frank M.
Self-tying Screw Top  
 SPENCER, Frederick K.
BENNETT, Orville
U 998,649 July 25, 1911 Insulator Bracket for Electrical Work
Bracket to hold several insulators on side of pole
SPENCER, Frederick K.
BENNETT, Orville
Bracket  
 SPEAKMAN, Charles W.
U 971,322 September 27, 1910 Mine Insulator
Mine hanger insulator (see GB191027804)
SPEAKMAN, Charles W.
Mine  
 SPARKS, Robert Romney
U 902,262 October 27, 1908 Insulator Protector
Covering for insulator
SPARKS, Robert Romney
Covering  
 SPANG, Henry W.
U 167,415 September 7, 1875 Improvement in Lightning Rods
Lightning rod system tied into the existing gutter of a home or building
SPANG, Henry W.
Lightning Rod  
R 6,835 January 4, 1876 Improvement in Lightning Rods
Lightning rod system tied into the existing gutter of a home or building (see 167,415)
SPANG, Henry W.
Lightning Rod  
U 196,493 October 23, 1877 Improvement in Lightning Conductors
Lighning rod conductor with improved grounding
SPANG, Henry W.
Lightning Rod Conductor  
U 204,257 May 28, 1878 Improvement in Lightning Conductors
Sheet metal strips connecting lightning rods to gutters
SPANG, Henry W.
Lightning Rod Conductor  
R 9,934 November 15, 1881 Lightning Rod
Reissue of R6,835 which was a reissue of 167,415; Lightning rod system tied into the existing gutter of a home or building
SPANG, Henry W.
Lightning Rod  
U 273,179 February 27, 1883 Lightning Conductor
Lightning rod system with an extended earth terminal utilizing a fence
SPANG, Henry W.
Lightning Rod  
U 284,082 August 28, 1883 Lightning Conductor
Lightning rod system of two or more rods and grounded to earth
SPANG, Henry W.
Lightning Rod  
U 286,086 October 2, 1883 Electrical Conductor for Oil Tanks
Lightning protection system for oil tanks (see 167,415)
SPANG, Henry W.
Lightning Rod  
U 437,526 September 30, 1890 Lightning Protector for Oil Tanks
Method of protecting oil tanks from lightning
SPANG, Henry W.
Lightning Rod  
 SOUTHGATE, George T.
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  
 SOUBIER, Leonard D.
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 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 2,228,613 January 14, 1941 Machine for Forming Glass Articles
Glass Block Pressing Machine
SOUBIER, Leonard D.
OI Owens-Illinois Glass Co.
 SORTWELL, Harold H.
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.
 SORG, Frederich W.
U 731,239 June 16, 1903 Telephone Circuit
Transposition metal connector for forming loops in line wire
SORG, Frederich W.
Transposition  
 SORENSEN, Arvid C.
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  
 SONNEBORN, Sol S.
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 1,290,673 January 7, 1919 Sectional Pin Insulator
Multipart with sections screwed together with threaded metal bands
SONNEBORN, Sol S.
Multipart  
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 1,426,421 August 22, 1922 Condenser Cemented Sectional Insulator
Multipart using metallic cement and metal sheath covering skirts
SONNEBORN, Sol S.
Multipart Hopewell Insulation & Mfg. Co.
 SODEN, Francis H.
GOEHST, Henry
U 372,940 November 8, 1887 Insulating Joint
Glass ball to insulate a hanging lamp fixture from the support
SODEN, Francis H.
GOEHST, Henry
Insulating Joint  
 SODEN, John K.
U 912,501 February 16, 1909 High Tension Insulator
Large covers for insulators to protect them from rain and thus reduce electrical leakage
SODEN, John K.
Miscellaneous  
 SNYDER, Edward B.
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.
 SNOW, Charles P.
U 122,290 December 26, 1871 Improvement in Lightning Rods
Lightning rod made of a zinc strip for strength covered on one side with copper
SNOW, Charles P.
Lightning Rod  
 SNODGRASS, John C.
U 756,724 April 5, 1904 Insulator
Cleat - self-tying
SNODGRASS, John C.
Cleat  
 SNIVELY, Charles H.
U 552,501 December 31, 1895 Insulator
Self-tying clamp with cam lever (see 805,169)
SNIVELY, Charles H.
Self-tying Miscellaneous  
 SNEE, William
U 297,865 April 29, 1884 Machine for Making Insulator Pins
Machine to turn wooden insulator pins
SNEE, William
Pin 1/2 to Milton A. Walton
 SNAPP, Delos V.
FRAHER, Charles W.
U 877,242 January 21, 1908 Insulator Pin
Pin with metal shank and bolt
SNAPP, Delos V.
FRAHER, Charles W.
Pin  
 SMOTHERS, William J.
SELSING, Jorgen
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.
 SMOTHERS, William J.
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.
 SMOCK, Benjamin D.
U 574,828 January 5, 1897 Insulator
Hanger insulator for end of pole or other support
SMOCK, Benjamin D.
Hanger  
 SMITH, Amos L.
U 1,119,049 December 1, 1914 Insulator Clamp
Tie wire crank lever
SMITH, Amos L.
Tie Wire  
 SMITH, Ashbel G.
PETTINGELL, William
U 109,461 November 22, 1870 Improvement in Insulators for Telegraph Wires
Clamp type via two glass blocks held and kept dry by metal box
SMITH, Ashbel G.
PETTINGELL, William
Clamp Type Themselves and William H. Fowler
 SMITH, Carl H.
JONES, David
D 112,048 November 8, 1938 Design for a Hollow Glass Building Block
Block design with fine lines on exterior and mesh design on interior
SMITH, Carl H.
JONES, David
OI Owens-Illinois Glass Co.
 SMITH, Charles H.
U 171,744 January 4, 1876 Improvement in Lightning Rods
Lightning rod composed of a copper sheet wrapped around a metal bar with copper wrapped wires on either side and the whole twisted
SMITH, Charles H.
Lightning Rod  
U 174,866 March 14, 1876 Improvement in Weather Vane Attachments for Lightning Rods
Lightning rod top cap for holding weather vanes (shows a rooster)
SMITH, Charles H.
Lightning Rod Point  
U 183,425 October 17, 1876 Improvement in Lightning Rods
Coupling for twisted sheet metal lightning rod composed of hollow end to fit over end of rod and pinned to rod with matching threaded end so coupling parts can be screwed together
SMITH, Charles H.
Lightning Rod Coupling  
U 183,426 October 17, 1876 Improvement in Lightning Rod Connections
Coupling for twisted sheet metal lightning rod composed of hollow end to fit over end of rod and crimped to secure to rod with matching threaded end so coupling parts can be screwed together
SMITH, Charles H.
Lightning Rod Coupling  
U 192,628 July 3, 1877 Improvement in Lightning Rods
Glass lightning rod ball with silver or gold coating on the inside
SMITH, Charles H.
Lightning Rod Ornament  
U 192,718 July 3, 1877 Improvement in Couplings for Lightning Rods
Coupling for tubular lightning rods with male and female parts allowing the ends to be screwed together
SMITH, Charles H.
Lightning Rod Coupling  
U 198,471 December 25, 1877 Improvement in Lightning Rods
Lightning rod composed of sheet metal formed into a pair of tubes with rod laying between the tubes and multiple tubes and rods can be used
SMITH, Charles H.
Lightning Rod  
U 201,059 March 5, 1878 Improvement in Lightning Rod Connections
Coupling for lightning rod with matching male and female threads applied to the ends of rods and then the whole galvanized to make one continuous rod section
SMITH, Charles H.
Lightning Rod Coupling  
 SMITH, Donald H.
U Specimen known 2,099,540 November 16, 1937 Insulator Shield
Metal skirt on CD 154
SMITH, Donald H.
Insulator Western Union Telegraph Co.
 SMITH, Donald H.
WHEELER, Herbert H.
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 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.
 SMITH, George R.
U 1,171,267 February 8, 1916 Insulator for Electrically Charged Wires
Wall tube with metal gripping strip
SMITH, George R.
Wall Tube  
 SMITH, Harold B.
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 1,730,171 October 1, 1929 Insulator
Design with metal pin and metal projections to prevent arc-over
SMITH, Harold B.
Suspension Westinghouse Electric & Mfg. Co.
 SMITH, Isaac
U Specimen known 158,868 January 19, 1875 Improvement in Insulating Compounds
Hook with composition compound of shellac, asbestos, coal tar & oak black
SMITH, Isaac
Hook 1/2 to George A. Chapman
 SMITH, John B.
U 278,618 May 29, 1883 Machine for Making Brackets for Telegraph Insulators
Machine to turn wooden insulator pin brackets
SMITH, John B.
Pin Charles N. Freeman & David W. O'Neil
U 278,619 May 29, 1883 Machine for Making Telegraph Insulator Pins
Machine to turn wooden insulator pins
SMITH, John B.
Pin Charles N. Freeman & David W. O'Neil
 SMITH, John W.
U 518,793 April 24, 1894 Lightning Rod and Coupling
Couple with internal threads to screw sections together
SMITH, John W.
Lightning Rod Coupling  
 SMITH, Joseph Brodie
U Specimen known 418,766 January 7, 1890 Support for Electric Conductors
Brodie tree insulator with large lag screw and adjustable position.
SMITH, Joseph Brodie
Tree  
U 547,591 October 8, 1895 Switch and Fuse Box
Fuse cut-out or holder for transformer with plug that acts like a switch.
SMITH, Joseph Brodie
Fuse Holder  
U 606,771 July 5, 1898 Fuse Box
Fuse holder cut out for electric circuits.
SMITH, Joseph Brodie
Fuse Holder  
 SMITH, Leonard O.
U 328,728 October 20, 1885 Insulator
Slotted tubular insulator for crossovers
SMITH, Leonard O.
Slotted  
 SMITH, Michael Holroyd
U 348,792 September 7, 1886 Electric Tramway System
Wooden insulators for third rail and other various designs for electric tramway
SMITH, Michael Holroyd
Wood/third Rail  
 SMITH, N. E.
U 50,398 October 10, 1865 Lightning Rod Joints
Lightning rods joined with slip joints
SMITH, N. E.
Lightning Rod Coupling  
 SMITH, Ralph H.
U 2,857,505 October 21, 1958 Method of welding TV tube studs
Stud Welding Apparatus
SMITH, Ralph H.
OI Owens-Illinois Glass Co.
 SMITH, Ralph R.
D 121,705 July 30, 1940 Design for an Electric Fence Insulator
Fence knob
SMITH, Ralph R.
Knob  
 SMITH, Robert M.
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.
 SMITH, Solomon
MISHLER, Milton B.
U 530,361 December 4, 1894 Tool for Lineman's Use
Lineman's tool to remove or apply the tie wire loop on an insulator
SMITH, Solomon
MISHLER, Milton B.
Tool  
 SMITH, Thomas Carpenter
U Specimen known 444,466 January 13, 1891 Electric Lamp Bracket
Bracket for two insulators and support for a street light
SMITH, Thomas Carpenter
Bracket  
 SMITH, Thomas Darling
U 1,001,561 August 22, 1911 Automatic Wood Turning Machine
Automatic machine for turning wooden table and chair legs, handles, croquet balls, mallets, etc.
SMITH, Thomas Darling
Pin  
 SMITH, Thomas J.
U Specimen known 403,491 May 14, 1889 Insulating Device for Line Wires
Tree hanger split octagon shaped forestry insulator referred to as the Victor
SMITH, Thomas J.
Tree The E. S. Greeley & Co.
 SMITH, William A.
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 1,994,291 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 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 2,209,006 July 23, 1940 Coating Apparatus
Machine to dip insulators in glaze.
SMITH, William A.
Manufacturing The Ohio Brass Co.
U 2,342,307 February 22, 1944 Spraying Machine
Machine for spraying on RFI coatings
SMITH, William A.
RFI The Ohio Brass Co.
 SMITH, William Henry
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 1,755,308 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.
 SMITH, William N.
U Specimen known 878,679 February 11, 1908 Support for Insulators
Pin, cast iron with U-bolt to clamp on crossarm (Smith-Grip pin)
SMITH, William N.
Pin  
 SMITH, William W.
U 52,761 February 20, 1866 Improvement in Telegraph Insulators
Hook screwed into block of vulcanite
SMITH, William W.
Hook  
U 53,246 March 13, 1866 Improvement in Telegraph Insulators
Hook insulator
SMITH, William W.
Hook  
 SMEDE, Lloyd
SHAND, Errol B.
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.
 SMEAD, Donald G.
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  
 SMALLEY, Burt M.
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.
 SMALLEY, Burton M.
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.
 SMALLEY, Robert C.
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.
 SLUSSER, Charles R.
U Specimen known 881,967 March 17, 1908 Electric Insulator
U-185
SLUSSER, Charles R.
Insulator  
 SLONECKER, Abiram J.
U 1,065,737 June 24, 1913 Insulator and Support
Spiral conical insulator for tightening of line wire
SLONECKER, Abiram J.
Spiral  
 SLEEMAN, Harold P.
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 1,760,786 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 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.
 SLAYTER, Games
U 1,991,469 February 19, 1935 Building Block
Block with interior partition, separate lid
SLAYTER, Games
OI Owens-Illinois Glass Co.
 SLAYTER, Games
IRVINE, Jan S.
THOMAS, JR., John H.
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.
 SLAYTER, Games
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.
 SLATER, Frederick R.
U 763,434 June 28, 1904 Insulating Support for Electric Third Rails
Third rail insulator with metal bracket that fits in grooves on the upper sides of the insulator.
SLATER, Frederick R.
Third Rail 1/2 to Robert W. Lyle
U 764,384 July 5, 1904 Insulating Support for Electric Third Rails
Third rail insulator that screws into metal support ahd has a threaded hole in top to receive the metal rail support.
SLATER, Frederick R.
Third Rail Bleecker S. Barnard
 SKIPPER, Edward M.
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 2,355,684 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 2,425,270 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.
 SKINNER, James E.
U 902,455 October 27, 1908 Transposition Bracket for Insulators
Transposition bracket
SKINNER, James E.
Transposition  
 SINGER, Julius M.
D 65,872 October 28, 1924 Design for a Bottle
Design for Bottle (Wolverine)
SINGER, Julius M.
HU Wolverine Bottling Works
 SINES, Harold S.
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  
 SINDLINGER, Nevin Y.
U Specimen known 2,266,340 December 16, 1941 Insulator
Self-tying twist lock type
SINDLINGER, Nevin Y.
Self-tying Twist  
 SINDING-LARSEN, Alf
U 657,574 September 11, 1900 High Voltage Insulator
Heater (electric) imbedded in insulator body
SINDING-LARSEN, Alf
Heater  
 SINDELAR, Lambert J.
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  
 SINCLAIR, Herbert
U Specimen known 806,588 December 5, 1905 Electrical Insulator
Oval shaped nail-knob with saddle top for cap to fit over the saddle
SINCLAIR, Herbert
Knob  
U Specimen known 855,208 May 28, 1907 Insulator
nail-knob with top part fitting inside the bottom and with an offset nail hole. Specimen was found at Star Porcelain Co. dump with embossed marking IDEAL.
SINCLAIR, Herbert
Knob  
 SIMPSON, Harvey
U 470,514 March 8, 1892 Lightning Conductor
Hollow conductor rod with slip fittings
SIMPSON, Harvey
Lightning Rod  
U 538,603 April 30, 1895 Lightning Rod
Hollow lightning rod with cup to divert water into the lower sections of the rod to improve conduction of current to ground
SIMPSON, Harvey
Lightning Rod  
U 940,742 November 23, 1909 Water Retaining and Conveying Attachment for Cable Lightning Rods
Method of retaining water in the ground to aid in conducting the current to ground
SIMPSON, Harvey
Lightning Rod  
 SIMPSON, John Stewart
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  
 SIMONDS, W. Edgar
U 71,418 November 26, 1867 Improvement in Telegraph Insulators
Cup under insulator (similar to oil insulator) to maintain dry surfaces (see reissue 3,499 on 6-8-1869) Patent was used by Central Electric Co.
SIMONDS, W. Edgar
Oil  
R 3,499 June 8, 1869 Improvement in Telegraph Insulators
Cup under insulator (similar to oil insulator) to maintain dry surfaces (see 71,418)
SIMONDS, W. Edgar
Cup  
U 92,111 June 29, 1869 Improvement in Telegraph Insulators
Hook with paraffin in a cup between hook or insulator and pin
SIMONDS, W. Edgar
Hook  
 SIMCOE, George
U 1,072,999 September 9, 1913 Tubular Insulator
miscellaneous
SIMCOE, George
Miscellaneous  
 SILER, Aaron V.
U 931,507 August 17, 1909 Insulator for Electric Wires
Self-tying miscellaneous
SILER, Aaron V.
Self-tying Miscellaneous 1/2 to Andrew Siler
 SILER, Andrew J.
U 954,350 April 5, 1910 Insulator
Wire groove on top with enlarged crown to aid in tying (see 1,229,272)
SILER, Andrew J.
Wire 1/3 to Aaron Siler & 1/3 to Sumner Siler
 SIEGWART, Frank J.
U 897,669 September 1, 1908 Insulator
Knob - self-tying
SIEGWART, Frank J.
Knob  
 SHREFFLER, James L.
U 712,440 October 28, 1902 Insulator
Self-tying with slot and screw clamp
SHREFFLER, James L.
Self-tying Miscellaneous  
 SHOWMAN, Robert L.
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.
 SHOVER, Barton R.
U 1,026,711 May 21, 1912 Sheet Metal Insulator Pin
Pin, metal composed of three flat strips
SHOVER, Barton R.
Pin  
 SHORT, Edward C.
U 804,630 November 14, 1905 Support for Pole Crossarms
Metal bracket to attach a wooden crossarm to the pole and to prevent the crossarm from moving up or down from horizontal and eliminate the need to mortise the pole.
SHORT, Edward C.
Crossarm  
 SHOPE, James W.
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  
 SHOOK, Albert
U 186,503 January 23, 1877 Improvement in Lightning Rod Connector Clips
Coupling or connector clip composed of flat metal bent around the adjoining rod with external threads formed on the end so the rod can be screwed onto the clip
SHOOK, Albert
Lightning Rod Coupling  
 SHIPMAN, Emanuel F.
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  
 SHINN, William C.
U 887,277 May 12, 1908 Machine for Making Cable Lightning Rods
Machine for making cable conductors that is a cable within a cable for greatest flexibility and conduction
SHINN, William C.
Lightning Rod Machine  
U 995,638 June 20, 1911 Brace for Lightning Rod Tops
Lightning rod tripod to support rod with ball ornament
SHINN, William C.
Lightning Rod  
 SHILLINGER, Clare B.
U 2,331,053 October 5, 1943 Insulator Plunger Support
Insulator press
SHILLINGER, Clare B.
Press Owens-Illinois Glass Co.
 SHERWOOD, A. S.
U 52,329 January 30, 1866 Improvement in Lightning Rods
Lightning rod point with connection to rod made of corrugated copper sheet to increase surface area
SHERWOOD, A. S.
Lightning Rod Point  
 SHERMAN, Delmar C.
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  
 SHEARS, Albert L.
U 874,445 December 24, 1907 Insulator
Cleat - self-tying
SHEARS, Albert L.
Cleat  
 SHAW, Douglas Thomas
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  
 SHAVER, William W.
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 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
 SHARPE, John E.
U 581,088 April 20, 1897 Electric Wire Insulator
Block of glass to hold wire in crossarm
SHARPE, John E.
Block  
U 679,544 July 30, 1901 Insulator for Electric Wires
Self-tying miscellaneous
SHARPE, John E.
Self-tying Miscellaneous 1/2 to Newton Bartle
U 700,570 May 20, 1902 Insulator Supporting Arm
Pin assembly for crossarm
SHARPE, John E.
Pin 1/2 to Newton Bartle
 SEYMOUR, Albert P.
U Specimen known 476,827 June 14, 1892 Wire Cleat
Cleat Patent was owned by Pass & Seymour.
SEYMOUR, Albert P.
Cleat  
U Specimen known 476,828 June 14, 1892 Circuit Breaking Insulator
Strain circuit breaking insulator. Patent was owned by Pass & Seymour.
SEYMOUR, Albert P.
Strain  
U Specimen known 476,964 June 14, 1892 Insulating Tube for Electric Conductors
Wall tube Patent was owned by Pass & Seymour.
SEYMOUR, Albert P.
Wall Tube  
U 483,771 October 4, 1892 Insulator
Knob - self-tying Patent was owned by Pass & Seymour.
SEYMOUR, Albert P.
Knob  
U Specimen known 617,608 January 10, 1899 Electrical Cut-Out
Fuse cutout (Pass & Seymour) with rotatable fuse plug
SEYMOUR, Albert P.
Fuse Holder  
 SEYLER, Carl P.
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 1,690,596 November 6, 1928 Insulator Pin
Steel pin with saddle and U-bracket to secure to the crossarm
SEYLER, Carl P.
Pin  
U 1,807,878 June 2, 1931 Insulator Supporting Post
Steel pin with sheet metal threads
SEYLER, Carl P.
Pin  
 SEXTON, Frederick P.
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  
 SESSIONS, Edson O.
U 1,012,724 December 26, 1911 Insulator Support
Bracket for pin-type insulator with wooden cob & mounted on a pipe
SESSIONS, Edson O.
Bracket Fay Woodmansee
U 1,125,742 January 19, 1915 Cable Supporting Insulator
Clamp type
SESSIONS, Edson O.
Clamp Type Electrical Engineers Equipment Co.
 SEMENZA, Guido
U 905,940 December 8, 1908 High Tension Insulator
Rainshed for conductor supported by crown
SEMENZA, Guido
Rainshed  
U 1,333,640 March 16, 1920 Electric Insulator
Suspension with bolted on metal cap (Italy)
SEMENZA, Guido
Suspension  
 SELQUIST, Rolf
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.
 SELLYE, Howard P.
U 2,050,898 August 11, 1936 Electrical Insulator
Wireholder with large hole and lag screw
SELLYE, Howard P.
Wireholder  
 SELLERS, William
U 632,851 September 12, 1899 Bedstead Insulator
Glass insulator for bed legs
SELLERS, William
Piano  
 SEILER, Paul
U Specimen known 187,183 February 6, 1877 Improvement in Telegraph Insulators
CD 130.2, wire groove composed of a series of projections
SEILER, Paul
Insulator 1/2 to Joseph Herz
 SEIKE, Shoji
MITSUMATSU, Yoshio
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.
 SEIKE, Shoji
TOTOKI, Takao
MIMA, Toshiyuki
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.
 SEGRE, Mario
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 1,333,188 March 9, 1920 Manufacture of Hollow Articles from Horn
Manufacture of insulators from animal horn (see 1,227,680)
SEGRE, Mario
Horn  
 SEELYE, Howard P.
U 2,224,361 December 10, 1940 Insulator
Wireholder with lag screw
SEELYE, Howard P.
Wireholder  
 SEELY, John A.
U 296,881 April 15, 1884 Insulator
Rubber covered ring and knob with lag screw
SEELY, John A.
Rubber  
 SEEGER, Adolph M.
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  
 SEAVEY, Haller D.
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.
 SEAMON, William H.
U 430,696 June 24, 1890 Insulator
Cylinder with external threads to screw into crossarm
SEAMON, William H.
Cylinder  
 SEABOLDT, Bert
U 340,734 April 27, 1886 Electric Wire Insulator
Tie wire embedded in insulator
SEABOLDT, Bert
Tie Wire 3/4 to George Goss, Samuel Gilson, Andrew Horner
 SCULLY, Thomas
U Specimen known 1,216,000 February 13, 1917 Electrical Insulator
Strain with drain holes
SCULLY, Thomas
Strain  
 SCOTT, Arthur C.
RUPE, William G.
U 1,718,259 June 25, 1929 Insulator
Cleat - self-tying
SCOTT, Arthur C.
RUPE, William G.
Cleat  
 SCOTT, Charles F.
DAVIS, Harry P.
U 541,459 June 25, 1895 Combined Insulator and Fuse Holder
Glass insulator which holds a fuse protected from the weather.
SCOTT, Charles F.
DAVIS, Harry P.
Fuse Holder Westinghouse Electric & Mfg. Co.
 SCOTT, Franklin
U 94,037 August 24, 1869 Improvement in Insulators
Lightning rod insulator slotted for self-locking
SCOTT, Franklin
Lightning Rod Insulator  
 SCHWENCK, Frederick
D 67,238 May 5, 1925 Design for a Bottle
Design for Bottle (Queen City, Grand Pop)
SCHWENCK, Frederick
HU  
D 67,311 May 12, 1925 Design for a Bottle
Design for Bottle (Pay Day)
SCHWENCK, Frederick
HU  
 SCHWEITZER, Edmund O.
HERZ, Alfred
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  
R Specimen known 14,416 December 25, 1917 Fuse Device
Reissue of patent 1,144,732 for fuse holder with knife insert. (see patent 1,144,732)
SCHWEITZER, Edmund O.
HERZ, Alfred
Fuse Holder  
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  
 SCHWARTZ, Emil W.
SAVAGE, Manuel H.
SPARGO, Francis C.
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.
 SCHWARTZ, Emil W.
CROASDALE, Evan T.
U 2,146,597 February 7, 1939 Process of Treating Rubber
Rubber treating process
SCHWARTZ, Emil W.
CROASDALE, Evan T.
Rubber General Electric Co.
 SCHUTT, Duny A.
U 595,585 December 14, 1897 Fuse Block
Fuse cutout
SCHUTT, Duny A.
Fuse Holder The Peru Electric Mfg. Co.
 SCHULZ, Rudolf W.
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  
 SCHRAGE, Victor
U 20,916 July 13, 1858 Improved Device for Securing Lightning Rods
Lightning rod insulator (glass) with spring clip to hold rod
SCHRAGE, Victor
Lightning Rod Insulator  
 SCHOTT, Erich
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.
 SCHORLING, William H.
U 761,326 May 31, 1904 Machine for Molding Insulators
Press for making insulators
SCHORLING, William H.
Press Henry M. Brookfield
U 773,768 November 1, 1904 Molding Machine
Press, automatic
SCHORLING, William H.
Press Henry M. Brookfield
U 815,222 March 13, 1906 Device for Supporting Glass Insulators or Other Glass Articles While Plastic
Cooling rack to prevent deformation of threads in glass insulator taken from mold
SCHORLING, William H.
Cooling Henry M. Brookfield
 SCHOONMAKER, Edward T.
U 321,646 July 7, 1885 Electric Wire Insulator
Pin with spars to fit in threaded pin hole
SCHOONMAKER, Edward T.
Pin 1/2 to John E. Smith
 SCHOONMAKER, James H.
U 243,630 June 28, 1881 Lightning Rod
Lightning rod composed of a zinc tube covered with copper surrounded by twisted spiraling tubes of the same combination
SCHOONMAKER, James H.
Lightning Rod 4/5 to H. D. Morse and N. C. Gault
U 364,605 June 7, 1887 Lightning Rod
Lightning rod composed of a hollow core wrapped with small hollow wire which has been wrapped with soft wire and the whole encsed in a copper covering
SCHOONMAKER, James H.
Lightning Rod 2/3 to Henderson D. Morse and Nathaniel C. Gault
 SCHOONMAKER, John C.
U 128,818 July 9, 1872 Improvement in Lightning Rods
Lightning rod made of a core of hollow copper wire covered with twisted hollow copper wires
SCHOONMAKER, John C.
Lightning Rod  
U 156,713 November 10, 1874 Improvement in Machines for Making Tubular Lightning Rods
Machine for making lightning rods by make metal tubes from sheet metal and wrapping the tubes around a central core
SCHOONMAKER, John C.
Lightning Rod Machine  
 SCHOMBURG, Rudolf
U 515,448 February 27, 1894 Fixing Electric Conducting Wires to Insulators Supporting Same
Self-tying via hole through insulator crown & metal clamp
SCHOMBURG, Rudolf
Self-tying Miscellaneous  
 SCHOLES, Samuel R.
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.
 SCHOLES, Samuel R.
BRENNER, Ralph F.
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  
 SCHOLES, Samuel R.
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  
 SCHOENTHALER, Edward F.
U Specimen known 744,631 November 17, 1903 Insulator
CD 139 combination safety and CD 181.5
SCHOENTHALER, Edward F.
Insulator 2/3 to W. Parker & J. Finn
 SCHOENTHALER, George Henry
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.
 SCHNOEBELEN, Clement A.
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  
 SCHNEIDER, Bennet B.
U 176,073 April 11, 1876 Improvement in Lamp Collars
Oil lamp collar with grooves for oil return
SCHNEIDER, Bennet B.
HU  
 SCHNEIDER, Bennett B.
BROOKE, Homer
U 342,045 May 18, 1886 Means of Securing Glass and Metal Articles Together
Method of applying metal handles to glass jars or other glass articles
SCHNEIDER, Bennett B.
BROOKE, Homer
Jar  
 SCHNEE, William G.
U 582,396 May 11, 1897 Insulator
Self-tying slot top
SCHNEE, William G.
Self-tying Slot Top 1/2 to John R. Dixon
 SCHMITT, Eugene A.
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.
 SCHMID, Ernest Emmel
U 1,046,868 December 10, 1912 Strain Insulator
Strain, interlocking type with ribs and metal connectors
SCHMID, Ernest Emmel
Strain Shield Electric Co.
 SCHMALZ, James H.
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.
 SCHLEIN, Seymour N.
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.
 SCHISLER, Frank J.
U 1,116,631 November 10, 1914 Insulator
Self-tying slot top for slack wire use
SCHISLER, Frank J.
Self-tying Slot Top  
 SCHIMPF, Frank
U 978,941 December 20, 1910 Combined Cleat and Rosette
Cleat for ceiling fixture
SCHIMPF, Frank
Cleat  
 SCHILLING, Lorell J.
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.
 SCHILLING, Lorell John
D Specimen known 126,721 April 22, 1941 Design for a Strain Insulator
Surge fence knob
SCHILLING, Lorell John
Knob Babson Brothers Co.
D Specimen known 126,722 April 22, 1941 Design for a Line Insulator
Surge fence knob
SCHILLING, Lorell John
Knob Babson Brothers Co.
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 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.
 SCHERER, Frederick C.
FASHBAUGH, Henry C.
U 872,756 December 3, 1907 Insulator
Self-tying screw top
SCHERER, Frederick C.
FASHBAUGH, Henry C.
Self-tying Screw Top  
 SCHEID, Johann Friedrich
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.
 SCHEID, Johannes Friedrich
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
 SCHEIBLE, Albert
U 985,707 February 28, 1911 Insulator Support
Pin of bent metal with flat clips to screw in threads in insulator
SCHEIBLE, Albert
Pin  
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  
 SCHAUERMANN, Edward
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.
 SCHAUER, Florian
U 328,071 October 13, 1885 Grain Stack Protector
Lightning protection for grain stacks using a portable system
SCHAUER, Florian
Lightning Rod  
 SCHAUB, Ferdinand
U Specimen known 919,386 April 27, 1909 Insulator
Nail knob made by Cook Pottery Co. known as the ""Wedge"" for holding two wires (see article 7273)
SCHAUB, Ferdinand
Knob  
U 1,049,405 January 7, 1913 Insulator
Knob
SCHAUB, Ferdinand
Knob  
U 1,056,711 March 18, 1913 Crossover Insulator for Electrical Conductors
Crossover
SCHAUB, Ferdinand
Crossover  
U 1,178,539 April 11, 1916 Insulator
Cleat
SCHAUB, Ferdinand
Cleat  
U 1,474,736 November 20, 1923 Insulator
Knob
SCHAUB, Ferdinand
Knob  
 SCHARFHAUSEN, William
U 882,424 March 17, 1908 Insulator Pin
Pin using nail to prevent it from turning
SCHARFHAUSEN, William
Pin Payette Insulator Pin Co.
 SCHANZMEYER, Franziskus
U 994,607 June 6, 1911 Insulator Pin Machine
Machine for making wooden insulator pins
SCHANZMEYER, Franziskus
Pin/machine  
 SCHAFFLER, Oscar
U 1,706,987 March 26, 1929 Electric Wire Insulator
Bushing
SCHAFFLER, Oscar
Bushing  
 SCHAAKE, William
U 1,010,077 November 28, 1911 Strain Insulator
Wood strain insulator with metal caps and eyelet on one end
SCHAAKE, William
Strain Westinghouse Electric & Mfg. Co.
D Specimen known 46,451 September 22, 1914 Design for an Insulator
Strain
SCHAAKE, William
Strain Westinghouse Electric & Mfg. Co.
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 1,217,508 February 27, 1917 Insulator
Strain and suspension with special metal links for superior strength
SCHAAKE, William
Strain/suspension Westinghouse Electric & Mfg. Co.
U 1,296,587 March 4, 1919 Insulator
Clamp for crown of large insulator to resist strain of curves
SCHAAKE, William
Clamp Westinghouse Electric & Mfg. Co.
U 1,363,673 December 28, 1920 Insulator
Suspension with internal ribbed cap and ribbed pin to improve cement joint
SCHAAKE, William
Suspension Westinghouse Electric & Mfg. Co.
 SAYLOR, Charles C.
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  
 SAWYER, William H.
U 313,377 March 3, 1885 Clamp for Binding Wires to Insulators
Tie wire clamp (non-mechanical)
SAWYER, William H.
Tie Wire  
 SAUEREISEN, Christian F.
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  
 SARGENT, Howard R.
U 667,103 January 29, 1901 Insulator
Slack wire knob with metal suspension clip
SARGENT, Howard R.
Slack Wire General Electric Co.
U Specimen known 678,042 July 9, 1901 Rack Insulator
Cleat - rack type
SARGENT, Howard R.
Cleat General Electric Co.
U 769,639 September 6, 1904 Cleat for Electric Conductors
Cleat - 2-piece bolted together
SARGENT, Howard R.
Cleat General Electric Co.
U 1,014,854 January 16, 1912 Electric Cut Out
Knife type fuse holder or fuse cut-out
SARGENT, Howard R.
Fuse Holder General Electric Co.
 SANTOMIERI, Sebastian L.
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.
 SANFORD, JR., Joseph A.
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 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 1,109,470 September 1, 1914 Post Insulator
Multipart insulator to support high tension conductors in substation
SANFORD, JR., Joseph A.
Multipart The R. Thomas & Sons Co.
 SANDS, Horace Van
U 362,682 May 10, 1887 Loop Insulator
Suspension or strain insulator with shield
SANDS, Horace Van
Suspension  
 SANDLIN, William C.
U 891,955 June 30, 1908 Insulator
Self-tying insulator attached to top of crossarm consisting of a plate with two knobs to wrap the line wire around
SANDLIN, William C.
Self-tying Miscellaneous 1/3 to Arthur Moulton and 1/3 to C. W. Savage
 SANDFORD, JR., Joseph Addison
U 1,010,181 November 28, 1911 Electric Cable Protector
Protective shield mounted on top of the insulator to support the conductor.
SANDFORD, JR., Joseph Addison
Protective Shield The R. Thomas & Sons Co.
 SANDERS, John J.
U 1,015,513 January 23, 1912 Wire Tie
Complex replacement for tie wire consisting of metal U that wraps around the insulator, clamps to the line wire in the center, and clamps on each end of the U to attach to the line wire
SANDERS, John J.
Tie Wire  
 SAID, William Howard
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
 SAFFORD, Alfred G.
U 97,318 November 30, 1869 Improvement in Telegraph Insulators
Hook and conical metal covering for insulators on top of pole
SAFFORD, Alfred G.
Hook  
 SACKET, Frederic G.
U 258,130 May 16, 1882 Means for Protecting Oil Tanks from Lightning
Lightning rod protection system for an oil tank
SACKET, Frederic G.
Lightning Rod  
 SABY, Charles
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
 SABY, Charles
JEANNIN, Serge
PERRIER, Jean-Paul
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
 RUTZKY, Paul
U 1,016,780 February 6, 1912 Insulator
Dry-spot, screw cap design
RUTZKY, Paul
Dry-spot  
 RUTLEDGE, William G.
U 737,027 August 25, 1903 Insulator
Self-tying slot top (see Brown No. 1 p. 128)
RUTLEDGE, William G.
Self-tying Slot Top  
 RUTH, John Anthony
U 305,020 September 9, 1884 Insulator for Lightning Rods
Lightning rod insulator of two interlocking parts
RUTH, John Anthony
Lightning Rod Insulator  
 RUSSELL, JR., Ralston
U 2,389,386 November 20, 1945 Glazed Ceramic
Compression glaze
RUSSELL, JR., Ralston
Glaze Westinghouse Electric Corp.
 RUSSELL, Richard G.
THEISEN, Jean P.
STARK, Charles H.
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.
 RUSSELL, William F.
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  
 RUSSELL, William H.
U 128,914 July 9, 1872 Improvement in Apparatus for Burning Hydrocarbons as fuel
Glass furnace for burning gas
RUSSELL, William H.
Furnace James M. Brookfield
 RUOFF, George M.
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.
 RUGGIERI, Michael
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.
 RUGER, Henry K.
U 367,164 July 26, 1887 Insulator
Self-tying slot top
RUGER, Henry K.
Self-tying Slot Top  
 RUDOLF, Heinrich
U 587,273 July 27, 1897 Insulator
Self-tying slot top with perpendicular hole for retainer. Also patents England: 16,087 (1-24-1896); Germany: 86,014 (4-25-1895)
RUDOLF, Heinrich
Self-tying Slot Top  
 ROWLAND, Davidge H.
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 1,784,392 December 9, 1930 Manufacture of Insulators
Suspension insulator with glazed sanded surfaces to improve strength of cap
ROWLAND, Davidge H.
Suspension Locke Insulator Corp.
 ROWLAND, Davidge H.
ROBERTSON, John C.
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.
 ROWLAND, Davidge H.
WETZEL, Kurt
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.
 ROWLAND, Davidge H.
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 1,955,609 April 17, 1934 Insulator
U-856A fogbowl
ROWLAND, Davidge H.
Insulator 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 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 2,059,036 October 27, 1936 Clay Testing Apparatus
Machine to measure the hardness or plasticity of clay
ROWLAND, Davidge H.
Manufacturing Locke Insulator Corp.
U Specimen known 2,157,100 May 9, 1939 Glazed Ceramic Insulator and the Like
Glaze - compression glaze
ROWLAND, Davidge H.
Glaze Locke Insulator Corp.
 ROWLAND, Davidge H.
CROSKEY, Carl D.
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.
 ROWLAND, Davidge H.
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 2,357,550 September 5, 1944 Insulator
RFI coating applied before firing the insulator
ROWLAND, Davidge H.
RFI Locke Insulator Corp.
U 2,395,295 February 19, 1946 Method of Producing Insulators
Improved method of jiggering and plunging
ROWLAND, Davidge H.
Manufacturing  
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.
 ROWE, John T.
U 622,270 April 4, 1899 Machine for Making Hollow Glassware
Glass Press that can be adapted for insulator manufacture
ROWE, John T.
Misc  
 ROWE, Norman
U 907,406 December 22, 1908 Insulator for High Tension Lines
Suspension insulator made of a thick rod of glass or porcelain with an inner rod made of hickory wood, which has a high tensile strength. There is a metal cap on each end screwed onto each end of the wooden rod and over the glass or porcelain rod.
ROWE, Norman
Suspension  
 ROW, George
U 109,455 November 22, 1870 Improvement in Lightning Rods
Lightning rod made from several sheets of metal strips, twisted together in a spiral, and ends connected with a metal pin
ROW, George
Lightning Rod  
 ROUSSEAU, Necter
U Specimen known 289,449 December 4, 1883 Insulator
Transposition style but not intended for transposition (CD 199 & U-197)
ROUSSEAU, Necter
Insulator 1/2 to James W. Brennan
 ROTHENBERGER, Daniel M.
U Specimen known 545,819 September 3, 1895 Electric Insulator
CD 268, hole through crown for tie wire
ROTHENBERGER, Daniel M.
Insulator 2/3 to C. Inglis & E. Reilly
 ROSS, Frank A.
U 460,448 September 29, 1891 Insulator
Self-tying screw top
ROSS, Frank A.
Self-tying Screw Top  
 ROSS, Frank S.
VAN TUYL, Thomas Oliver
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.
 ROSS, George
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  
 ROSENVOLD, Carl
U 3,118,967 January 21, 1964 Transposing Device
Unusual circular transposition insulator device
ROSENVOLD, Carl
Transposition Transadean Associates, Inc.
 ROSENFELD, Mortimer C.
U 1,174,287 March 7, 1916 Insulator Support
Pin - hollow metal & bolted to crossarm for CD 257
ROSENFELD, Mortimer C.
Insulator  
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  
 ROSENBLATT, Gordon
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.
 ROSENBERG, Charles
BAILEY, Vernon T.
U 906,296 December 8, 1908 Insulator
Cleat with socket for light bulb
ROSENBERG, Charles
BAILEY, Vernon T.
Cleat  
 ROOT, Chapman J.
D 63,324 November 20, 1923 Design for a Bottle
Design for Bottle (J.J. Flynn)
ROOT, Chapman J.
HU  
D 74,274 January 17, 1928 Design for a Bottle
Design for a Bottle (Tehel's)
ROOT, Chapman J.
HU  
 ROMANDY, Joseph
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  
 ROLFE, Charles A.
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  
 ROHDE, Fritz
SCHWINNING, Max
U 1,515,755 November 18, 1924 Suspension Insulator
Suspension, special pin design
ROHDE, Fritz
SCHWINNING, Max
Suspension Nora Pfannenstiel
 ROGERS, Charles
U 350,843 October 12, 1886 Machine for Manufacturing Insulator Pins for Telegraphic Purposes
Machine for turning wooden insulator pins
ROGERS, Charles
Pin  
 ROGERS, Elkanah C.
U 21,905 October 26, 1858 Improved Method of Insulating and Supporting Lightning Rods
Lightning rod with adjustable caps
ROGERS, Elkanah C.
Lightning Rod  
 ROGERS, George E.
U 176,067 April 11, 1876 Improvement in Processes for Toughening Glass
Method of annealing glass
ROGERS, George E.
Glass  
 ROGERS, James H.
U 133,595 December 3, 1872 Improvement in Insulation of Telegraph lines
Insulator suspended from sub cross-bar (CJ 9-85-14)
ROGERS, James H.
Insulator  
 ROGERS, Joseph W.
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
 ROEHRICH, Frank N.
U 1,136,275 April 20, 1915 Press for Making Glass Insulators
Press for making glass insulators
ROEHRICH, Frank N.
Press Brookfield Glass Co.
 ROCKWELL, Herbert O.
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.
 ROBINSON, Miner
U 517,591 April 3, 1894 Insulating Tube
Wall tube with longitudinal fin ribs
ROBINSON, Miner
Wall Tube  
 ROBERTSON, Charles B.
ROBERTSON, John J.
U 740,314 September 29, 1903 Insulator
Self-tying slot top
ROBERTSON, Charles B.
ROBERTSON, John J.
Self-tying Slot Top  
 ROBERTSON, James
U 129,683 July 23, 1872 Improvement in Lightning Rods
Lightning rod with sheet metal coupling and sheet metal bracket for holding the rod
ROBERTSON, James
Lightning Rod  
 ROBERTSON, John
U 123,198 January 30, 1872 Improvement in Telegraphic Insulators and Brackets
Cylindrical, slotted insulator with flanges and bracket
ROBERTSON, John
Cylinder  
 ROBERTSON, John Cullen
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 1,888,571 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 1,944,134 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.
 ROBERTSON, Orris W.
U Specimen known 105,252 July 12, 1870 Improvement in Battery Insulators
CD 60 and CD 61. Battery insulator with mounting on table. One specimen of CD 61 is known with embossing M. T. Co.
ROBERTSON, Orris W.
Battery  
 ROBERTS, Charles W.
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.
 ROBERTS, Linas P.
U 952,279 March 15, 1910 Mold in Which to Form Plastic Articles
Mold to form a slotted-top, twist-lock, self-tying glass insulator (see 707,429)
ROBERTS, Linas P.
Mold 1/3 to Hayes McGibbeny
 ROBERTS, Omer L.
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  
 ROBERTS, Willis
U 591,104 October 5, 1897 Insulator for Electric Wires
Cleat - self-tying
ROBERTS, Willis
Cleat  
 ROBBINS, Zenas C.
U 8,419 October 14, 1851 Insulator for Telegraph Wires
Hook embedded in metal shell (with guta percha) for bolting
ROBBINS, Zenas C.
Hook  
U 112,281 February 28, 1871 Improvement in Insulators for Telegraph Wires
Hook, new shape
ROBBINS, Zenas C.
Hook  
 RITTER, William F.
U 934,463 September 21, 1909 Cleat for Electric Wires
Cleat for ceiling wires and fixtures
RITTER, William F.
Cleat  
 RISLER, Emil
U 664,176 December 18, 1900 Electric Insulator
Knob - self-tying via screw cap
RISLER, Emil
Knob  
 RIERA, Magin
U 554,955 February 18, 1896 Insulator for Electric Wires
Clamp type (Scientific American 3-7-1896)
RIERA, Magin
Clamp Type  
 RIDGERS, Frederick G.
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
 RIDER, Hebert E.
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
 RIDENOUR, Lertin W.
U 992,595 May 16, 1911 Insulator Line Attaching Device
Tie wire clip
RIDENOUR, Lertin W.
Tie Wire  
 RIDDELL, John
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.
 RICKS, George L.
U 815,471 March 20, 1906 Insulator
Knob - split
RICKS, George L.
Knob  
 RICK, Karl L.
U 1,839,594 January 5, 1932 Bracket
Bracket for poles for several rack spool wireholders (see reissue 19,473)
RICK, Karl L.
Bracket  
R 19,473 February 19, 1935 Bracket
Bracket for poles for several rack spool wireholders (see 1,839,594)
RICK, Karl L.
Bracket Joslyn Mfg. & Supply Co.
 RICHARDSON, JR., Solon O.
U 756,895 April 12, 1904 Process of Manufacturing Glass Articles
Glass working machine elimating the gatherer & shearer
RICHARDSON, JR., Solon O.
Bottle  
 RICHARDSON, William H.
U 146,783 January 27, 1874 Improvement in Bottles
Bottle shaped like quarter circle in section
RICHARDSON, William H.
HU  
 RICHARDS, Benjamin
U 1,048,736 December 31, 1912 Insulating Cleat
Cleat for corners
RICHARDS, Benjamin
Cleat  
 RICHARDS, Joshua M.
U 2,182,971 December 12, 1939 Skylight or Floorlight Construction
Skylight construction using glass blocks
RICHARDS, Joshua M.
OU  
 RICHARD, Augusto
U 821,746 May 29, 1906 Insulator
Pin - method of cementing into insulator sleeve and attaching to insulator
RICHARD, Augusto
Pin Societa Ceramica Richard-Ginori
U 893,265 July 14, 1908 Insulator
Multipart insulator where parts are screwed together
RICHARD, Augusto
Multipart  
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  
 RICHARD, Harvey A.
CONWAY, Thomas J.
U 996,365 June 27, 1911 Apparatus for Forming Hollow Glassware
Bottle blowing machine
RICHARD, Harvey A.
CONWAY, Thomas J.
Bottle  
 RICE, JR, Edwin W.
U 648,057 April 24, 1900 Third Rail Insulator
Third rail insulator designed to allow insulator to rise and fall with movement of the rail.
RICE, JR, Edwin W.
Third Rail General Electric Co.
 REYNOLDS, David M.
U 183,865 October 31, 1876 Improvement in Telegraph Insulators
Slotted glass pin to hold wire and cap screwed to secure wire
REYNOLDS, David M.
Slotted James M. Brookfield
 REYNDERS, Arthur B.
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.
 REYBURN, William S.
HUNTER, Edmund A. W.
U 90,578 May 25, 1869 Improvement in Lightning Rod Couplings
Coupling for lightning rods where the ends can be screwed together (see reissue 8,304)
REYBURN, William S.
HUNTER, Edmund A. W.
Lightning Rod Coupling  
 REYBURN, William S.
MARTIN, F. J.
U 94,773 September 14, 1869 Improvement in Lightning Rods
Lightning rod made of sheet metal and formed into star shape with four projections
REYBURN, William S.
MARTIN, F. J.
Lightning Rod  
U 96,268 October 26, 1869 Improvement in Lightning Rods
Improvement of 92,551 by using a sheet zinc core with sheet copper covering to make a star shaped lightning rod
REYBURN, William S.
MARTIN, F. J.
Lightning Rod  
 REYBURN, William S.
MARTIN, Frederick J.
U 163,807 May 25, 1875 Improvement in Lightning Rod Standards
Lightning rod stand with three legs
REYBURN, William S.
MARTIN, Frederick J.
Lightning Rod  
U 186,877 January 30, 1877 Improvement in Lightning Rod Couplings
Coupling made with square socket that is crimped over end of lightning rod and has threaded bolt end to screw into next section
REYBURN, William S.
MARTIN, Frederick J.
Lightning Rod Coupling  
 REYBURN, William S.
HUNTER, Edmund A. W.
R 8,304 June 25, 1878 Improvement in Couplings for Lightning Rods
Coupling for lightning rods where the ends can be screwed together (see 90,578)
REYBURN, William S.
HUNTER, Edmund A. W.
Lightning Rod Coupling 1/2 of Hunter's right to Byron P. Moulton
 REUSCH, William L.
U 961,646 June 14, 1910 Insulator
Self-tying screw top with slotted top
REUSCH, William L.
Self-tying Screw Top  
 RESEK, Marc
U 1,456,716 May 29, 1923 Bail Attaching Means
Kerosene jar bail
RESEK, Marc
HU The Cleveland Metal Products Co.
 RENAULT, Edward
U 583,692 June 1, 1897 Insulator
Clamp type with lag screw
RENAULT, Edward
Clamp Type  
U Specimen known 664,432 December 25, 1900 Insulator
CD 207? (see 726,846)
RENAULT, Edward
Insulator  
 RENAUDIN, Alfred
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  
 REMBE, Louis F.
U 593,689 November 16, 1897 Insulator
Cleat - self-tying with spiral grooves
REMBE, Louis F.
Cleat  
 REIFFER, Anthony J.
MAYS, David P.
U 1,048,587 December 31, 1912 Wire Holder for Insulators
Tie wire clip
REIFFER, Anthony J.
MAYS, David P.
Tie Wire  
 REIFF, William H.
U 274,821 March 27, 1883 Electric Wire Insulator
Self-tying miscellaneous
REIFF, William H.
Self-tying Miscellaneous 1/3 to Andrew Siep, Jr.
 REHLING, John W.
U 887,520 May 12, 1908 Insulator
Knob - self-tying
REHLING, John W.
Knob  
 REESE, Rudolph R.
U 1,291,139 January 14, 1919 Insulator
Self-tying slot top with keeper nail
REESE, Rudolph R.
Self-tying Slot Top  
 REED, Frederick F.
U Specimen known 2,266,400 December 16, 1941 Insulator
CD 216
REED, Frederick F.
Insulator  
 REDMOND, Edmond
U 970,642 September 20, 1910 Lightning Conductor
Inexpensive and easily installed lightning rod system made of a conductor wire strung through a chain
REDMOND, Edmond
Lightning Rod  
 REDMAYNE, Robert Norman
U 843,844 February 12, 1907 Third Rail Insulator
Third rail insulator
REDMAYNE, Robert Norman
Third Rail  
 REAGAN, Frank H.
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 1,556,029 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.
 READ, Horatio
U 115,521 May 30, 1871 Improvement in Insulators for Telegraph Wires
Threadless insulator with metal thimble cemented in pinhole
READ, Horatio
Thimble 1/2 to B. B. Hagerty
 REA, Ernest C.
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  
 REA, John H. B.
U 909,935 January 19, 1909 Protected Insulator
Protective shield
REA, John H. B.
Protective Shield  
 RAWLINS, Herbert L.
FISCHER, Eugene F.
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.
 RAUNACHER, Gustav
U 623,033 April 11, 1899 Lightning Rod Conductor
Lightning rod point in the form of a dragon with multiple points in the tail pointing up with numerous little points along the dragon's body that aids in collecting or dissipating the current
RAUNACHER, Gustav
Lightning Rod Point 1/2 to Grant Greenham
 RATZMAN, Borah B.
U 2,304,204 December 8, 1942 Electrical Insulator
Rubber insulator for wire fence
RATZMAN, Borah B.
Rubber  
 RAPPLEYE, Hannibal W.
U Specimen known 557,881 April 7, 1896 Insulator
CD 134.6 bail wire system double-groove insulator (Cosner specimen)
RAPPLEYE, Hannibal W.
Insulator  
 RANSON, Joseph W.
U Specimen known 929,878 August 3, 1909 Insulator
U-183
RANSON, Joseph W.
Insulator  
 RANSOM, Daniel Parke
U 1,177,354 March 28, 1916 Line Insulator
Suspension interconnecting linking device
RANSOM, Daniel Parke
Suspension  
 RANKIN, Lawrence H.
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.
 RANDOLPH, Leonard M.
U 761,102 May 31, 1904 Insulator
Insulator for carrying heavy cables composed of cap over the top to surround the conductor to prevent sparking and electrical leakage
RANDOLPH, Leonard M.
Insulator  
U 908,136 December 29, 1908 Third Rail Insulator
Third rail insulator (Ohio Brass)
RANDOLPH, Leonard M.
Third Rail Essex Co.
U 922,951 May 25, 1909 Third Rail Insulator
Conical shaped third rail insulator.
RANDOLPH, Leonard M.
Third Rail Essex Co.
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  
 RANDALL, Karl C.
FARNSWORTH, Sidney W.
FORTESCUE, Charles Le Geyt
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.
 RANDALL, Karl C.
U 1,168,031 January 11, 1916 Suspension Type Insulator
Suspension bell-shaped insulators
RANDALL, Karl C.
Suspension Westinghouse Electric & Mfg. Co.
 RAMGE, Dennis Lee
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.
 RAH, Joseph
U 1,819,302 August 18, 1931 Oil and Air Break Pothead Disconnect
Pothead disconnect
RAH, Joseph
Insulator G. & W. Electric Specialty Co.
 RAGOTZKY, Philip C.
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  
R Specimen known 14,312 June 5, 1917 Device for Connecting Outside Wires to Buildings
Odd cylindrical knob with off-set screw hole and external grooves for attaching wires to buildings (reissue of 1,213,011) [Angle Insulator Co.]
RAGOTZKY, Philip C.
Knob  
 RADFORD, Cassius M.
U 452,983 May 26, 1891 Grounding Device for Lightning Rods
Grounding device for lightning rods
RADFORD, Cassius M.
Lightning Rod  
 PYLE, Ralph D.
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.
 PUTNAM, Jacob D.
U 324,957 August 25, 1885 Telegraph Insulator
Insulator (glass) screwed into crossarm
PUTNAM, Jacob D.
Insulator  
 PURVES, Thomas F.
SINNOTT, John
U 898,921 September 15, 1908 Insulator
Dry-spot, English screw cap design
PURVES, Thomas F.
SINNOTT, John
Dry-spot  
 PURKEY, Benjamin S.
U Specimen known 1,107,111 August 11, 1914 Insulator
U-186
PURKEY, Benjamin S.
Insulator  
U Specimen known 1,251,416 December 25, 1917 Insulator
U-186 (improved)
PURKEY, Benjamin S.
U-186  
 PROEGER, Julius
D 8,942 February 1, 1876 Design for Glass Dishes
Bird shaped glass pickle dish
PROEGER, Julius
HI Robert Hemingray
 PRINGLE, George W.
U 840,369 January 1, 1907 Automatic Lathe
Insulator pin threading device
PRINGLE, George W.
Pin E. J. Noblett
 PRINCE, George W.
U 303,399 August 12, 1884 Electric Wire Insulator
Slotted block insulator to hold wire with a tie
PRINCE, George W.
Slotted  
 PRIESTLEY, Charles M. E.
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
 PRICKETT, William H.
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  
 PRICE, Frank E.
MCCULLOUGH, William H.
U 796,760 August 8, 1905 Lightning Conductor
Lightning rod point with multple projections that are plated with platinum and connected to cone-shaped ground rod made of perforated copper sheet and filled with powdered charcoal and buried in a damp layer of soil
PRICE, Frank E.
MCCULLOUGH, William H.
Lightning Rod Point  
 PRESTON, Othniel
U 120,457 October 31, 1871 Improvement in Lightning Conductors
Lightning rod conductor made of wires twisted together and wrapped and twisted around a metal tube (see reissue 7,063)
PRESTON, Othniel
Lightning Rod  
R 7,063 April 18, 1876 Improvement in Lightning Conductors, Rods, or Cables
Lightning rod conductor made of wires twisted together and wrapped and twisted around a metal tube (see 120,457)
PRESTON, Othniel
Lightning Rod  
 PRESCOTT, George S.
U 303,591 August 12, 1884 Lightning Rod
Method of employing lightning rods so they are the most effective
PRESCOTT, George S.
Lightning Rod 1/2 to Edwin Prescott
 PRENZEL, Henry
U 315,660 April 14, 1885 Supporting Insulator for Telegraph Wires
Self-tying screw top (see 1,305,168)
PRENZEL, Henry
Self-tying Screw Top  
 PRATT, Elbert H.
CHRISTIE, Ralph C.
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  
 PRATT, James
U 45,632 December 27, 1864 Improvement in Lightning Rods
Lightning rod made up of a core of twisted wires
PRATT, James
Lightning Rod  
 PRATT, John Sedgwick
U 931,480 August 17, 1909 Wire Bender
Hand tool to quickly bend tie-wire and secure it around the insulator.
PRATT, John Sedgwick
Wire Bender/tie-wire  
U 934,352 September 14, 1909 Line Wire Connector
Tie wire clip (U.S. Army)
PRATT, John Sedgwick
Tie Wire  
 POTTER, John S.
CARTWRIGHT, David J.
U 444,317 January 6, 1891 Electric Wire Insulating Cleat
Cleat
POTTER, John S.
CARTWRIGHT, David J.
Cleat John S. Potter
 POTTER, William B.
U 678,195 July 9, 1901 Third Rail Insulator
Third rail insulator with iron mounting bracket and cap to support the rail
POTTER, William B.
Third Rail General Electric Co.
 PORTER, Edward Y.
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  
 PORTER, John W.
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.
 POPE, Frank L.
U Specimen known 290,922 December 25, 1883 Insulator for Electrical Conductors
CD 110.5 & CD 110.6 spiral crown with opposing internal threads & wire clamp
POPE, Frank L.
Insulator  
 POND, Benjamin A.
U 918,905 April 20, 1909 Insulator
Clamp type with split ring and lag screw
POND, Benjamin A.
Clamp Type  
 POND, C. H.
U 69,585 October 8, 1867 Improvement in Telegraph Apparatus
Telegraph
POND, C. H.
Telegraph  
 POND, Chester H.
U Specimen known 122,961 January 23, 1872 Improvement in Telegraph Insulators
Wooden insulator coated with tar with metal cap
POND, Chester H.
Wood  
 POLK, Robert H.
U Specimen known 724,329 March 31, 1903 Insulator
Self-tying nail-knob with three flanges on top for tying wire around the knob and saw-toothed bottom edge to prevent the knob from turning.
POLK, Robert H.
Knob  
 POINDEXTER, Alfred M.
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  
 POINAN, Francis J.
U 868,122 October 15, 1907 Electric Insulator
Multipart with glass skirt and two-piece head similar to Locke 25
POINAN, Francis J.
Multipart  
 PODMORE, William
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
 POCHE, Joseph Arthur
U 608,906 August 9, 1898 Insulation of Electric Wires
Uses glass tube sealed from the weather to allow conductor to enter a building (see reissue 11,759))
POCHE, Joseph Arthur
Wall Tube  
U 615,896 December 13, 1898 Vacuum Insulator for Electric Conductors
Wall tube sealed in vacuum and protected from weather (see 608,906)
POCHE, Joseph Arthur
Wall Tube  
R 11,759 July 11, 1899 Insulation of Electric Wires
Uses glass tube sealed from the weather to allow conductor to enter a building (see 608,906)
POCHE, Joseph Arthur
Wall Tube  
U 637,282 November 21, 1899 Electric Insulator
Tube of asbestos to lead conductor through a wall is made water tight (see 608,906) (see 615,896)
POCHE, Joseph Arthur
Insulator  
U 652,861 July 3, 1900 Overhead Wire Lightning Protector
Lightning rod with multiple points (see 637,282) (see reissue 11,759)
POCHE, Joseph Arthur
Lightning Rod Point  
 PLIMPTON, Bentley A.
U 1,246,461 November 13, 1917 Strain Insulator
Suspension metal cap design
PLIMPTON, Bentley A.
Suspension  
U 1,266,711 May 21, 1918 Strain Insulator
Suspension metal cap design
PLIMPTON, Bentley A.
Suspension  
U 1,328,687 January 20, 1920 Insulator Support
Thimble of metal for multipart insulator
PLIMPTON, Bentley A.
Thimble  
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 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 1,506,863 September 2, 1924 Suspension Insulator
Suspension with metal cap on top and underneath
PLIMPTON, Bentley A.
Suspension  
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 1,714,814 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 1,793,191 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 1,832,240 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 1,865,134 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 1,902,310 March 21, 1933 Method of Making Insulator Caps
Method of pressing out a malleable metal cap
PLIMPTON, Bentley A.
Manufacturing Locke Insulator Corp.
 PLIMPTON, Bentley A.
HAWLEY, Kent A.
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.
 PLIMPTON, Bentley A.
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 Specimen known 2,088,433 July 27, 1937 Fog and Dust Insulator
U-816 series
PLIMPTON, Bentley A.
Insulator Locke Insulator Corp.
 PLATT, Thomas M.
U 1,059,629 April 22, 1913 Insulator
Self-tying twist lock type
PLATT, Thomas M.
Self-tying Twist  
 PITTMAN, Ralph R.
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 2,082,507 June 1, 1937 Pole for Pin
Pole top pin with hook to support wire during stringing
PITTMAN, Ralph R.
Pin  
 PITTMAN, Ralph R.
WALSH, Carroll H.
U 2,139,332 December 6, 1938 Wire Holder
Wireholder with lag screw
PITTMAN, Ralph R.
WALSH, Carroll H.
Wireholder  
U 2,139,333 December 6, 1938 Sealed Screw Wire Holder
Wireholder with lag screw
PITTMAN, Ralph R.
WALSH, Carroll H.
Wireholder  
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  
 PITTMAN, Ralph R.
U 2,343,576 March 7, 1944 Support for Electric Conductors
Knob
PITTMAN, Ralph R.
Knob  
 PIKE, William G.
U 70,741 November 12, 1867 Improvement in Lightning Conductors
Lightning rod with braided copper wire as connecting joints that can be easily turned as desired
PIKE, William G.
Lightning Rod  
 PIERCE, JR., Charles L.
D Specimen known 53,522 July 8, 1919 Design for an Insulator
Strain
PIERCE, JR., Charles L.
Strain 1/2 to Hubbard & Co.
 PIERCE, Alfred L.
U Specimen known 971,785 October 4, 1910 Tree Insulator
U-187
PIERCE, Alfred L.
Insulator 1/2 to Spalding K. Long
 PIERCE, Frank C.
U 1,213,002 January 16, 1917 Insulator
Mine insulator
PIERCE, Frank C.
Mine  
 PIERCE, Henry T.
MCPHEE, Angus D.
U 1,375,974 April 26, 1921 Insulator Connector
Links for Hewlett suspension disks
PIERCE, Henry T.
MCPHEE, Angus D.
Suspension General Electric Co.
 PIDGEON, George S.
U 161,058 March 23, 1875 Improvement in Insulating Blocks for Telegraph Lines
Slotted block to hold several wires
PIDGEON, George S.
Slotted  
 PHILLIPS, Dorothea S.
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.
 PHELPS, James C.
U 986,213 March 7, 1911 Insulating Cap
miscellaneous
PHELPS, James C.
Miscellaneous  
 PHELPS, Myron D.
U 122,055 December 19, 1871 Improvement in Lightning Rods
Lightning rod made of a solid copper core covered with twisted iron wires
PHELPS, Myron D.
Lightning Rod  
U 159,961 February 16, 1875 Improvement in Lightning Rods
Improvement on patent 122,055 by using smaller wires in greater number to improve flexibility
PHELPS, Myron D.
Lightning Rod  
 PHARO, Harry A.
SCHAAKE, William
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.
 PFAUTZ, Christian E.
U 1,761,046 June 3, 1930 Transposition Device
Transposition ring for radio line
PFAUTZ, Christian E.
Transposition RCA
 PETTIT, Ernest E.
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
 PETTERSEN, Kristian
U 1,059,903 April 22, 1913 Insulator with Fuse
Insulator with fuse in the bottom
PETTERSEN, Kristian
Fuse Holder  
 PETERY, Evan E. P.
U 809,743 January 9, 1906 Crossarm for Carrying High-Tension Wires
Crossarm and insulators made of glass or other insulating material
PETERY, Evan E. P.
Crossarm 1/2 to Samuel Bowsher
 PETERSON, Cyrus A.
U 557,600 April 7, 1896 Insulator
Pin with spring coil
PETERSON, Cyrus A.
Pin  
 PETERS, Wilhelm
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 Specimen known 2,297,430 September 29, 1942 Antenna Insulator
Compression antenna insulator for very heavy loads (see 2,270,964)
PETERS, Wilhelm
Antenna  
 PERRINS, George
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
 PERRINE, Frederic A. C.
U 932,570 August 31, 1909 Supporting Pin for Insulators
Pin, metal mounted to side of pole
PERRINE, Frederic A. C.
Pin  
 PERLICK, Robert
U 1,307,878 June 24, 1919 Reservoir For Oil Stoves
Kerosene jar
PERLICK, Robert
HU  
 PERLES, Maurice
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
 PEREYRA, Eugene S.
U 1,014,720 January 16, 1912 Wiring Block
Wiring block for main circuit wires that provides for connection for branch circuits
PEREYRA, Eugene S.
Wiring Block  
 PENNYCUICK, James G.
U Specimen known 324,157 August 11, 1885 Method of Forming Screw Threads on Glass
Threads formed in glass (plunger remains in glass during annealing)
PENNYCUICK, James G.
Thread  
 PENNIE, Henry
U 359,812 March 22, 1887 Insulator for Supporting and Holding Electric Wires
Cleat type for holding house wiring
PENNIE, Henry
Cleat 1/2 to Louis Schleip
 PELOUBET, Esten
U 554,723 February 18, 1896 Insulator
Clamp type
PELOUBET, Esten
Clamp Type  
 PEIRCE, JR., Charles L.
U 856,488 June 11, 1907 Insulator
Pin (metal) using spring for threads
PEIRCE, JR., Charles L.
Pin Peirce Specialty Co.
U 856,801 June 11, 1907 Insulator
Pin (metal) using spring for threads
PEIRCE, JR., Charles L.
Pin Peirce Specialty Co.
U 883,823 April 7, 1908 Insulator Support
Pin with coiled spring for threads
PEIRCE, JR., Charles L.
Pin Peirce Specialty Co.
U 1,006,268 October 17, 1911 Insulator Bracket
Bracket (various styles) using spring for threads (see 856,488 and 856,801)
PEIRCE, JR., Charles L.
Bracket Hubbard & Co.
U 1,007,138 October 31, 1911 Insulator Bracket
Bracket (various styles) using spring for threads (see 856,488 and 856,801)
PEIRCE, JR., Charles L.
Bracket Hubbard & Co.
U 1,149,282 August 10, 1915 Insulator Supporting Fixture
Bracket (various styles) made by bending pipe
PEIRCE, JR., Charles L.
Bracket  
U 1,152,211 August 31, 1915 Secondary Rack
Secondary rack built away from the pole.
PEIRCE, JR., Charles L.
Secondary Rack  
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 1,157,037 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 1,158,149 October 26, 1915 Insulator Support
Pin, metal with spring for threads (improvement on 856,488)
PEIRCE, JR., Charles L.
Pin  
U 1,166,928 January 4, 1916 Insulator Supporting Bracket
Bracket mounted on side of pole for one insulator
PEIRCE, JR., Charles L.
Bracket  
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 1,175,077 March 14, 1916 Sheet Metal Pole Arm
Crossarm made of sheet metal.
PEIRCE, JR., Charles L.
Crossarm  
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 1,193,602 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 1,195,263 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 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 1,196,273 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 1,197,659 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 1,197,660 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 1,202,418 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 1,202,419 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 1,202,885 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 1,207,321 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 1,210,685 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.
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 1,210,687 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 1,212,394 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 1,212,673 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 1,219,862 March 20, 1917 Separable Insulator Thimble Structure
Thimble designed to be removable with external & internal threads
PEIRCE, JR., Charles L.
Thimble Hubbard & Co.
U 1,479,155 January 1, 1924 Insulator Support or Bracket
Bracket for wireholder knobs
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,591,883 July 6, 1926 Insulator Pin
Steel pin with lag screw and spring for threads
PEIRCE, JR., Charles L.
Pin  
U 1,709,805 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 1,779,489 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 1,811,211 June 23, 1931 Insulator Rack
Bracket for wireholder rack spools
PEIRCE, JR., Charles L.
Bracket Hubbard & Co.
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 1,917,322 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 1,960,681 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.
 PEIRCE, Ralph S.
U 710,297 September 30, 1902 Insulator
Pin with split wooden cob around curved metal bracket
PEIRCE, Ralph S.
Pin  
 PEEK, JR., Frank W.
U 1,449,694 March 27, 1923 Protective Device
Protective device to prevent arcing
PEEK, JR., Frank W.
Miscellaneous General Electric Co.
 PECK, John M.
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.
 PECK, John M.
BENNETT, Cornelius Van Dyke
RYAN, James W.
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.
 PECK, John M.
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 1,645,447 October 11, 1927 Suspension Insulator
Suspension, method of cementing metal bolt using flexible thimble
PECK, John M.
Suspension The Porcelain Insulator Corp.
U 1,649,853 November 22, 1927 Sectional Insulator
Multipart design with nested parts forming the cement joints
PECK, John M.
Multipart The Porcelain Insulator Corp.
U 1,653,117 December 20, 1927 Suspension Insulator
Suspension, method of cementing metal bolt using flexible thimble
PECK, John M.
Suspension The Porcelain Insulator Corp.
 PEASE, Jacob
TESTER, Abraham
U 179,340 June 27, 1876 Improvement in Glass Bottle Molds
Two-part mold for making glass bottles. Jacob Pease later assigned three patents to Brookfield. (see patents 416,703; 419,875; 477,447)
PEASE, Jacob
TESTER, Abraham
Bottle Mold  
 PEASE, Jacob
U 416,703 December 3, 1889 Glass Furnace
Glass furnace
PEASE, Jacob
Furnace 1/2 to William Brookfield
U 419,875 January 21, 1890 Screw Press for Insulators
Press for making insulators
PEASE, Jacob
Press William Brookfield
U 477,447 June 21, 1892 Apparatus for Finishing the Edges of Glass Vessels
Apparatus for finishing the edges of glass vessels
PEASE, Jacob
Apparatus 1/2 to William Brookfield
 PEARSON, Edward
KITSON, John
U 330,050 November 10, 1885 Furnace for Melting Glass, &c.
A glass-melting furnace with a rectangular tank and bottom composed of beveled stone. Patent was used by the Cadiz Glass Co.
PEARSON, Edward
KITSON, John
Glass Furnace  
 PAWOLOWSKI, Jacob
U 503,384 August 15, 1893 Cleat for Electric Wires
Cleat - 2 piece
PAWOLOWSKI, Jacob
Cleat  
 PATTERSON, Jacob M.
U 29,398 July 31, 1860 Improved Construction of Lightning Rods
Combined lightning rod and water gutter
PATTERSON, Jacob M.
Lightning Rod  
 PATTERSON, James M.
U 541,332 June 18, 1895 Insulator
Miscellaneous 2-part insulator for barbed wire fence
PATTERSON, James M.
Miscellaneous  
 PATTERSON, William R.
U 279,274 June 12, 1883 Binding Post
Knob with grooves to wrap line wire around
PATTERSON, William R.
Knob Western Electric Co.
 PATTERSON, William W.
U 193,991 August 7, 1877 Improvement in Lightning Rods
Lightning rod tip formed of two intersecting circles that are fited with points and a ball suspended in the center
PATTERSON, William W.
Lightning Rod Point  
 PATEE, Theodorus H.
U 202,578 April 16, 1878 Improvement in Machines for Making Lightning Rods
Portable machine to make lightning rods mounted in a wagon
PATEE, Theodorus H.
Lightning Rod Machine  
U 257,889 May 16, 1882 Lightning Rod Coupling
Coupling for spiraling lightning rods that is strong and can be screwed together
PATEE, Theodorus H.
Lightning Rod Coupling  
U 257,890 May 16, 1882 Lightning Rod Coupling
Coupling for spiraling lightning rods that is strong and can be screwed together
PATEE, Theodorus H.
Lightning Rod Coupling  
U 257,891 May 16, 1882 Lightning Rod Coupling
Coupling for spiraling lightning rods that is strong and can be screwed together
PATEE, Theodorus H.
Lightning Rod Coupling  
 PATEE, Theodorus H.
RIDGE, Thomas D.
U 271,733 February 6, 1883 Tripod Standard for Lightning Rods
Tripod stand for lightning rod with brackets to hold the rod
PATEE, Theodorus H.
RIDGE, Thomas D.
Lightning Rod Theodorus H. Patee
 PATEE, Theodorus H.
U 282,562 August 7, 1883 Lightning Rod
Coupling for spiraling lightning rods that can be crimped over the ends of the rod to fit securely with the ribs of the rod
PATEE, Theodorus H.
Lightning Rod Coupling  
U 297,290 April 22, 1884 Coupling for Lightning Rods
Coupling for spiraling lightning rods such that each end of the rod is screwed into the other
PATEE, Theodorus H.
Lightning Rod Coupling  
U 297,291 April 22, 1884 Portable Lightning Rod Machine
Portable machine to make lightning rods
PATEE, Theodorus H.
Lightning Rod Machine  
 PATEE, Theodorus H.
LAWSHE, Thomas D.
U 359,940 March 22, 1887 Lightning Rod Standard or Brace
Tripod stand for lightning rod with brackets to hold the rod
PATEE, Theodorus H.
LAWSHE, Thomas D.
Lightning Rod  
 PASS, James
SEYMOUR, Albert P.
U Specimen known 476,813 June 14, 1892 Porcelain Insulator
U-141, pin type insulator with cemented metal thimble. Patent was owned by Pass & Seymour.
PASS, James
SEYMOUR, Albert P.
Insulator  
U 481,624 August 30, 1892 Ceiling Rosette Cut-Out
Ceiling rosette Patent was owned by Pass & Seymour.
PASS, James
SEYMOUR, Albert P.
Rosette  
 PASS, Richard H.
U 2,479,861 August 23, 1949 Land Mine
Land Mine made of glass or ceramic
PASS, Richard H.
OU Onondaga Pottery Co.
 PARRA, Henri
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 1,235,592 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.
 PARKS, Albert F.
U 689,218 December 17, 1901 Electrical Insulator
Pin sleeve (see design 34,211 for U-966)
PARKS, Albert F.
Insulator Lewis Stillwell
 PARKER, Edward Henry
U 1,004,681 October 3, 1911 Lightning Rod Cable
Light weight, flexible conductor cable made of twisted and braided wires
PARKER, Edward Henry
Lightning Rod  
 PARKER, William M.
U 1,429,369 September 19, 1922 Attaching Device
Knob
PARKER, William M.
Knob J. H. Parker & Son, Inc.
 PARENT, Rufus A.
U 1,212,547 January 16, 1917 Automatic Insulator
Clamp type
PARENT, Rufus A.
Clamp Type  
 PAISTE, Harry T.
U 483,862 October 4, 1892 Electric Switch
Porcelain electric switch
PAISTE, Harry T.
Switch  
 PAINE, Francis B. H.
U 889,803 June 2, 1908 Support for Electrical Conductors
Impractical arrangement using a secondary insulator to support broken conductor above to prevent the line from dropping to the ground. It uses M-3890 insulators.
PAINE, Francis B. H.
Miscellaneous Niagara, Lockport and Ontario Power Co.
 PADDEN, Edward F.
U 883,227 March 31, 1908 Insulator
Odd cylindrical insulator with slot of top to hold line wire and threaded exterior to screw into a hold bored in the crossarm and a set screw on top to secure the line wire
PADDEN, Edward F.
Miscellaneous  
 PACKARD, William D.
U 789,295 May 9, 1905 Electrical Cut-Out
Porcelain knife switch or cutout.
PACKARD, William D.
Cutout  
 OWENS, James B.
ALEXANDER, David E.
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.
 OWEN, Edward Glen
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  
 OVERMYER, Charles G.
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  
 OTTINGER, Edwin C.
U 873,456 December 10, 1907 Wire-Carrying Cross Arm and Insulator Therefor
Odd system using a split crossarm, split insulators fitted into notches in crossarm where top half of crossarm holds the insulators in place
OTTINGER, Edwin C.
Miscellaneous Jennie E. Ottinger, Walter S. Ottinger, Sr., Samuel H. Bair
 OTIS, George W.
U Specimen known 8,316 August 26, 1851 Improvement in Insulators for Lightning Rods
Lightning rod insulator (attachment for conductors)
OTIS, George W.
Lightning Rod Insulator  
U 80,205 July 21, 1868 Improvement in Lightning Rods
Lightning rod composed of strands of triangular shaped wire twised into rope and ends of the strands bent out to make multiple points
OTIS, George W.
Lightning Rod  
 OTIS, Nathaniel
U 92,638 July 13, 1869 Improvement in Lightning Rods
Hollow lightning rod and point rolled from a long flat metal strip
OTIS, Nathaniel
Lightning Rod Point  
 OSYOR, David N.
U Specimen known 526,498 September 25, 1894 Conductor Support and Insulator
Jeffrey Mine insulator (CD 185)
OSYOR, David N.
Mine Joseph A. Jeffrey
 OSBORNE, David H.
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 1,650,034 November 22, 1927 Insulator
Suspension with slotted metal cap for pin linkage
OSBORNE, David H.
Suspension 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 1,732,339 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 1,819,380 August 18, 1931 Insulator Connection
Suspension insulator cap and pin that can be locked in securely
OSBORNE, David H.
Suspension Locke Insulator Corp.
U 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.
 OSBORNE, David Henry
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 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 1,816,023 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.
 OSBORNE, John W.
U 757,765 April 19, 1904 Insulator
Cleat - self-tying
OSBORNE, John W.
Cleat  
 OSBORN, Alexander F.
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.
 ORCUTT, William A.
U 2,284 October 9, 1841 Improvement in the Mode of Attaching the Receiving and Discharge Points of Lightning Conductors
Lightning rod connectors cast on the ends
ORCUTT, William A.
Lightning Rod Coupling  
 ORBECK, Tor
U 4,749,824 June 7, 1988 High Voltage Insulators
Polymer suspension made of silicon elastomer
ORBECK, Tor
Polymer Dow Corning Corp.
 OPPELT, William
U 1,167,208 January 4, 1916 Insulator
Self-tying screw top
OPPELT, William
Self-tying Screw Top 1/3 to Harry Gamber
 OMLEY, Herbert A.
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.
 OLSEN, Andreas
U 700,977 May 27, 1902 Support for Pianos
Glass caster cup for pianos
OLSEN, Andreas
Piano  
 OLSEN, Sigward
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.
 OLIVIER, Leon J.
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 2,519,694 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  
 OLIVER, James B.
U 566,468 August 25, 1896 Insulator Support
Pin with flange contacting inner petticoat for support
OLIVER, James B.
Pin The Oliver Iron & Steel Co.
 OHL, Percy C.
U 280,947 July 10, 1883 Insulator for Electrical Conductors
Cylindrical insulator suspended from wire to hold bar separates several wires
OHL, Percy C.
Cylinder  
 OGAWA, Yutaka
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.
 OAKMAN, Samuel
U 88,066 March 23, 1869 Improved Glass Furnace
Improved glass furnace with blower to remove fumes and improve the draught
OAKMAN, Samuel
Furnace  
U Specimen known 105,834 July 26, 1870 Improvement in Telegraph Insulators
Pin hole tapered with grooves to receive wedged, split-end pin
OAKMAN, Samuel
Pin  
U 117,320 July 25, 1871 Improvement in Chimneys
Improvement in chimney for glass furnace
OAKMAN, Samuel
Furnace  
U Specimen known 132,214 October 15, 1872 Improvement in Formers for Segmentally Screw Threaded Insulators
Plunger to form segmented threads
OAKMAN, Samuel
Plunger  
U Specimen known 132,215 October 15, 1872 Improvement in Formers for Segmentally Screw Threaded Insulators
Plunger to form segmented threads
OAKMAN, Samuel
Plunger  
U Specimen known 187,725 February 27, 1877 Improvement in Molding Glass
Improved method to mold necks on bottles (patent date reported on glass chard)
OAKMAN, Samuel
Mold  
U 208,487 October 1, 1878 Bottle Stopper
Bottle stopper
OAKMAN, Samuel
Bottle  
U Specimen known 247,100 September 13, 1881 Process of Forming Screws in Articles of Glass
Threading process inserts hollow blown glass thimble for threads
OAKMAN, Samuel
Thread Edward C. Sherburne
U 262,241 August 8, 1882 Weaving Machine for Covering Bottles
Machine to weave a covering for bottles
OAKMAN, Samuel
Bottle Luther A. Wright
U 287,049 October 23, 1883 Covering for Bottles
Covering for bottles
OAKMAN, Samuel
Bottle  
U Specimen known 288,360 November 13, 1883 Telegraph Insulator
Double petticoat design for style similar to CD 162. An annual recess to receive paraffin to form a broad band of surface protected from moisture
OAKMAN, Samuel
Insulator The American Insulator Co.
U 292,942 February 5, 1884 Basket Splint Machine
Machine to make wood splints to be woven as a covering for bottles
OAKMAN, Samuel
Bottle  
D Specimen known 14,674 February 12, 1884 Design for an Insulator
CD 145 beehive design
OAKMAN, Samuel
Pin-type  
U 304,021 August 26, 1884 Basket Splint Machine
Machine to make wood splints to be woven as a covering for bottles
OAKMAN, Samuel
Bottle  
U Specimen known 304,748 September 9, 1884 Mold for Making Glass Insulators
Threads formed with hinged thread forming tool
OAKMAN, Samuel
Thread  
U Specimen known 430,296 June 17, 1890 Insulator
CD 257, CD 259, CD 263, dove-tail ears on crown - helmet. Patent is also found on New Lexington porcelain insulators M-3890 and M-4325A.
OAKMAN, Samuel
Insulator  
U Specimen known 434,879 August 19, 1890 Electric Insulator
CD 144.5 and CD 260, ridges around inner surface of skirt
OAKMAN, Samuel
Insulator  
U Specimen known 451,950 May 12, 1891 Electric Insulator
CD 262, CD 263, CD 264, eyes for tie wire
OAKMAN, Samuel
Insulator  
U 486,182 November 15, 1892 Glass Mold
Glass mold to form threads on the bottle.
OAKMAN, Samuel
Bottle  
U 547,936 October 15, 1895 Bottle Stopper
Bottle stopper
OAKMAN, Samuel
Bottle  
U 561,912 June 9, 1896 Packing Case for Bottles
Packing case to protect bottles for shipment
OAKMAN, Samuel
Bottle  
U 693,056 February 11, 1902 Preserve Jar
Jar made of pottery or glass to store butter or preserves
OAKMAN, Samuel
Bottle Angeline C. Oakman
U 775,986 November 29, 1904 Insulator
miscellaneous with flared skirt to hold paraffin
OAKMAN, Samuel
Miscellaneous Luther A. Wright
 O'NEILL, James J.
U 505,123 September 19, 1893 Insulator Pin
Pin (wooden) strengthened by metal rod
O'NEILL, James J.
Pin  
U 573,101 December 15, 1896 Wall Insulator
Slack wire ring driven into mortar between bricks
O'NEILL, James J.
Slack Wire  
 O'KEEFE, Cornelius P.
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
 O'BRIEN, James
MATTIMORE, John
U 710,206 September 30, 1902 Apparatus for Transposing Electric Circuit Wires so as to Equalize Induction
Transposition bracket
O'BRIEN, James
MATTIMORE, John
Transposition  
 O'BRIEN, John
U Specimen known 316,812 April 28, 1885 Telegraph Insulator
CD 119, self-tying via projections (347,635 more appropriate)
O'BRIEN, John
Insulator William Brookfield
U Specimen known 347,635 August 17, 1886 Telegraph Insulator
CD 119, self-tying with fingers (should use instead of 316,812)
O'BRIEN, John
Insulator William Brookfield
 NUNN, Silvester
U 1,146,201 July 13, 1915 Electric Wire Insulator
Self-tying screw top with slotted top
NUNN, Silvester
Self-tying Screw Top  
 NULL, Carroll Thomas
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.
 NOYES, La Verne W.
U 800,935 October 3, 1905 Electric Wire Tower
Steel tower composed of triangular structure
NOYES, La Verne W.
Tower  
U 857,101 June 18, 1907 Cross Arm for Towers
Cross arm with pins for insulators made of hollow cylindrical steel similar to pipe
NOYES, La Verne W.
Pin  
 NORTH, Stephen
U 125,980 April 23, 1872 Improvement in Screw Cutting Device
Insulator pin threading device
NORTH, Stephen
Pin  
 NORGRAVE, George B.
U 466,726 January 5, 1892 Insulator
Clamp type split knob with lag screw
NORGRAVE, George B.
Clamp Type Richard I. Brewster
 NOEGGERATH, Jakob E.
U 974,177 November 1, 1910 Insulator for High Tension transmission systems
Suspension insulator with yieldable slugs to distribute strain pressure
NOEGGERATH, Jakob E.
Suspension General Electric Co.
 NOBLE, Burton A.
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.
 NOBLE, John E.
U 280,324 June 26, 1883 Combined Insulator and Lightning arrester
Combined insulator and lightning arrestor
NOBLE, John E.
Lightning Arrestor 1/6 to Charles J. Leming
 NIKONOW, John P.
U 896,934 August 25, 1908 Insulator
Strain insulator (assigned to Westinghouse) (see article 12236)
NIKONOW, John P.
Strain  
 NICOLS, James F.
U 834,533 October 30, 1906 Insulator
Knob - split vertically to clamp wire
NICOLS, James F.
Knob 1/2 to C. D. Stevens
 NICOL, David S.
U 1,266,615 May 21, 1918 Insulator Clamp
Clamp for crown of large insulator
NICOL, David S.
Clamp Shawinigan Water & Power Co.
 NICHOLSON, Henry C.
SPRATT, James
U 10,396 January 3, 1854 Improvement in Sealing Preserve Cans
Pump to pull a vacuum on a can
NICHOLSON, Henry C.
SPRATT, James
Can  
 NICHOLSON, Lloyd C.
U Specimen known 954,329 April 5, 1910 Insulator Protecting Apparatus
Multipart protected by arcing ring
NICHOLSON, Lloyd C.
Multipart  
U Specimen known 966,583 August 9, 1910 Insulator Protecting Apparatus
Multipart protected by arcing ring
NICHOLSON, Lloyd C.
Multipart  
U Specimen known 966,584 August 9, 1910 Protecting Apparatus for Insulators
Suspension protected by arcing ring
NICHOLSON, Lloyd C.
Suspension  
 NICHOLS, Frank S.
SMITH, JR., Sidney R.
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.
 NICHOLS, William H.
U Specimen known 697,001 April 8, 1902 Insulator
2-piece reversible nail-knob “P. E. M. Co. knob” (made by the Porcelain Electric Mfg. Co.) formerly known as the “W. E. split knob”. When Thomas received exclusive right to make and market the knob, it was called Thomas “T. P. I. knob “.
NICHOLS, William H.
Knob 1/2 to Elmer Larrabee
U Specimen known 1,144,153 June 22, 1915 Insulator
Knob
NICHOLS, William H.
Knob  
 NEWTON, Orrin
U 28,397 May 22, 1860 Improvement in Making Sheet Metal Caps & c.
Method of making screw caps
NEWTON, Orrin
HU  
 NEWMAN, Maurice H.
GILARDIN, William A.
U 1,592,042 July 13, 1926 Insulator
Knob
NEWMAN, Maurice H.
GILARDIN, William A.
Knob  
 NEWHALL, Walter P.
U 250,950 December 13, 1881 Electrical Conductor for Oil Tank Protection
Lightning rod protection system for an oil tank
NEWHALL, Walter P.
Lightning Rod 1/2 to James Casey
 NEWELL, Hiram F.
U 463,955 November 24, 1891 Electric Wire Insulator
Self-tying with fingers
NEWELL, Hiram F.
Self-tying Miscellaneous  
 NEWBY, William
U 1,226,795 May 22, 1917 Insulator Press
Insulator press
NEWBY, William
Press William I. Lourie
 NEVILLE, Asa G.
U 443,403 December 23, 1890 Revolving Mold for Glassware
Mold for glassware (for making seamless glass)
NEVILLE, Asa G.
HU  
 NESS, John A.
NESS, Walter
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  
 NESMITH, Christopher C.
ARNETT, George F.
U 584,235 June 8, 1897 Insulator for Telegraph or Other Electric Wires
Clamp type in holder of similar shape to Cutter
NESMITH, Christopher C.
ARNETT, George F.
Clamp Type  
 NEMES, Mike
U 1,032,153 July 9, 1912 Insulator
Self-tying miscellaneous
NEMES, Mike
Self-tying Miscellaneous  
 NELSON, Clark B.
U 384,384 June 12, 1888 Metallic Crest Tile Lightning Rod
Lightning rod in the form of metal crest tile and attached to end eaves of the house with conductors to ground
NELSON, Clark B.
Lightning Rod Crest 1/2 to James H. Watson
 NELSON, William H. S.
U 1,038,418 September 10, 1912 Insulator
Self-tying slot top
NELSON, William H. S.
Self-tying Slot Top  
 NEELY, Zen W.
LEWIS, George A.
U 1,150,697 August 17, 1915 Insulator
Self-tying screw top
NEELY, Zen W.
LEWIS, George A.
Self-tying Screw Top  
 NEELEY, George S.
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
 NEBLETT, Charles
U 303,877 August 19, 1884 Insulator Supporting Bracket for Electric Wires
Bracket to support insulator at corner or edge of building
NEBLETT, Charles
Bracket  
 NEAL, Lewis M.
U 378,971 March 6, 1888 Insulator
Block of glass inverted & head combination secured to crossarm by wire
NEAL, Lewis M.
Block  
 NAYLOR, William K.
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.
 NASHOLD, Elias
U 522,302 July 3, 1894 Self-Locking Cleat for Electric Wires
Cleat - self-tying (shown on page 273 of 1897 Electric Appliance Co. catalog No. 12
NASHOLD, Elias
Cleat 2/5 to Henry Baskette
 NAKAMURA, Itsushi
MORI, Shigeo
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.
 NAGLE, Josehp A.
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.
 MYERS, McClelland
U 771,483 October 4, 1904 Glass Mold
Glass press that can be adapted for insulator manufacture
MYERS, McClelland
Press 1/2 to John P. Elkins
U 809,969 January 16, 1906 Glass-Molding Apparatus
Glass press for jars or insulators
MYERS, McClelland
Press  
 MURRAY, John E.
U 713,904 November 18, 1902 Insulator for Telegraph Lines
Self-tying screw top
MURRAY, John E.
Self-tying Screw Top  
 MURPHY, Edward J.
U Specimen known 291,072 January 1, 1884 Press for Molding Glass Insulators
Press for making glass insulators to form interior
MURPHY, Edward J.
Press Lawrence Gray & Joseph Ham
 MURDOCK, Henry D.
U Specimen known 682,831 September 17, 1901 Adjustable Insulator
Knobs with various fluted sides grouped to hold wire
MURDOCK, Henry D.
Knob  
U 818,186 April 17, 1906 Insulating Cleat
2-piece single wire cleat
MURDOCK, Henry D.
Cleat  
 MUNSON, Alvin J.
U 355,655 January 4, 1887 Ball Ornament for Lightning Rods, &c.
Lightning rod ball colored or silvered on the inside with a hollow glass tube to receive the rod and same sealed at the ball to prevent moisture or water from entering the ball
MUNSON, Alvin J.
Lightning Rod Ornament  
U 563,938 July 14, 1896 Ornament Indicator for Weather Vanes
Ornamental weathervane with balls or pendants hanging from the four directions and a ribbed ball below the lightning rod point
MUNSON, Alvin J.
Weathervane  
 MUNSON, Alvin Johnston
U 332,673 December 15, 1885 Coupling for Lightning Rods
Coupling for four-pointed twisted lightning rods
MUNSON, Alvin Johnston
Lightning Rod Coupling  
U 343,332 June 8, 1886 Ball Ornament for Lightning Rods
Glass ball ornament for lightning rods
MUNSON, Alvin Johnston
Lightning Rod Ornament  
 MUNSON, David
U 15,491 August 5, 1856 Improvement in Lightning Rods
Lightning rod made of tubular metal with fins
MUNSON, David
Lightning Rod  
U 44,880 November 1, 1864 Improvement in Lightning Rod Conductors
Lightning rod made of two types of sheet metal forming a galvanic current to protect the copper
MUNSON, David
Lightning Rod  
U 74,406 February 11, 1868 Improvement in Lightning Rods
Lightning rod made with twists and folds
MUNSON, David
Lightning Rod  
U 84,210 November 17, 1868 Improvement in Lightning Rods
Lightning rod made of flat U-shaped metal that can be easily fastened together
MUNSON, David
Lightning Rod  
U 99,461 February 1, 1870 Improvement in Lightning Rods
Lightning rod point stamped from sheet metal and having two wings
MUNSON, David
Lightning Rod Point  
U 100,549 March 8, 1870 Improvement in Lightning Rods
Lightning rod made of two sheets of metal forming double tubing with flanges and twisted
MUNSON, David
Lightning Rod  
U 110,778 January 3, 1871 Improvement in Lightning Rods
Hollow lightning rod made from sheet metal and without internal support
MUNSON, David
Lightning Rod  
U 119,043 September 19, 1871 Improvement in Lightning Rods
Lightning rod made by wrapping angular copper wire around an iron core
MUNSON, David
Lightning Rod  
U 129,675 July 23, 1872 Improvement in Lightning Rods
Lightning rod made of several ropes of twisted angular copper wire twisted around themselves
MUNSON, David
Lightning Rod  
U 129,676 July 23, 1872 Improvement in Lightning Rods
Lightning rod made of several ropes of twisted angular copper wire twisted around an iron core to reduce cost
MUNSON, David
Lightning Rod  
U 129,677 July 23, 1872 Improvement in Lightning Rods
Lightning rod made of several ropes of twisted angular copper wire twisted around themselves with iron wire laid in the twist to reduce cost
MUNSON, David
Lightning Rod  
U 184,164 November 7, 1876 Improvement in Lightning Rods
Lightning rod made of a core of twisted copper wire with twisted copper wire strands wrapped around the core and the whole finished cable plated with tin or nickel
MUNSON, David
Lightning Rod  
U 204,359 May 28, 1878 Improvement in Lightning Rods
Lightning rod that is hollow and ribbed with galvanized iron core and points fitted along the rod
MUNSON, David
Lightning Rod  
 MUNSIE, James F.
U 426,198 April 22, 1890 Insulator
Covers for insulators on crossarms to protect them from rain and reduce electrical leakage
MUNSIE, James F.
Rainshed  
U 426,203 April 22, 1890 Insulator
Wood tree insulator with line wire running through the center of a rod of wood
MUNSIE, James F.
Wood Thomas L. Coles
U 455,107 June 30, 1891 Insulator
Third rail insulator with cup to hold hygroscopic chemical and means to heat insulator to drive off moisture
MUNSIE, James F.
Third Rail  
 MUNN, William B.
U 135,574 February 4, 1873 Improvement in Lightning Rods
Lightning rod made of iron wire cable core with sheet copper wrapped around the outside and edges tucked in between the cables
MUNN, William B.
Lightning Rod  
U 161,541 March 30, 1875 Improvement in Machines for Making Lightning Rods
Machine for making lightning rods (see reissue 8,696)
MUNN, William B.
Lightning Rod Machine  
R 8,696 May 6, 1879 Improvement in Machines for Making Lightning Rods
Machine for making lightning rods (see 161,541)
MUNN, William B.
Lightning Rod Machine  
U 258,590 May 30, 1882 Coupling for Lightning Rods
Coupling made in a hollow metal box that can be crimped during installation to fit around the spiralling sides of the lightning rod
MUNN, William B.
Lightning Rod Coupling  
U 263,423 August 29, 1882 Stand for Lighting Rods
Lightning rod tripod stand supported on insulators mounted on the feet
MUNN, William B.
Lightning Rod  
 MULLER, Auguste R.
U 1,159,409 November 9, 1915 Electric Insulator
Multipart bus bar type that can be screwed together
MULLER, Auguste R.
Multipart  
 MULLER, Henry N.
D Specimen known 49,365 July 11, 1916 Design for a Strain Insulator
Strain
MULLER, Henry N.
Strain  
 MULLEN, George Allen
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  
 MUELLER, Auguste Robert
U 1,228,349 May 29, 1917 Electric Insulator
Self-tying screw top
MUELLER, Auguste Robert
Self-tying Screw Top  
 MUELLER, Ferdinand C. H.
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.
 MUELLER, Otto
HAMER, William D.
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.
 MOTT, Everett V.
ROVERE, Lewis H.
ROWLAND, Davidge H.
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.
 MOTT, John M.
U 127,094 May 21, 1872 Improvement in Lightning Rods
Lightning rod made of a flat strip of copper with two galvanized wires fixed to the center on each side and then twisting to form a helical shaped rod
MOTT, John M.
Lightning Rod  
U 152,153 June 16, 1874 Improvement in Lightning Rods
Lightning rod made of sheet metal rolled to form four tubular sections with two of the tubes fitted with dowell pins to connect the rod sections
MOTT, John M.
Lightning Rod  
U 152,242 June 23, 1874 Improvement in Lightning Rods
Coupling to make T-connections for lightning rods
MOTT, John M.
Lightning Rod Coupling  
 MOSS, Benton C.
U 1,185,700 June 6, 1916 Insulator for Trolley Wires
Trolley hanger insulator
MOSS, Benton C.
Trolley 1/2 to Charles Fritts
 MOSS, Bertie B.
U 793,313 June 27, 1905 Insulator
Split insulator to hold wire in the center hole and split bracket to hold insulator above crossarm to prevent line wire from dropping if insulator breaks
MOSS, Bertie B.
Miscellaneous Leander G. Davis and Milton Hottel
 MORTON, William A.
U 866,596 September 17, 1907 Insulator
Self-tying via cylindrical slot with screw threads
MORTON, William A.
Self-tying Miscellaneous  
 MORTON, William Arthur
U 319,300 June 2, 1885 Lightning Arrester for Wire Fence
Lightning protection for wire fence
MORTON, William Arthur
Lightning Rod Fence  
 MORRIS, Elmer P.
U 803,010 October 31, 1905 Insulator
Pin with grooved insulator on top of crossarm to catch wire if it falls off of insulator
MORRIS, Elmer P.
Pin  
 MORRIS, George H.
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.
 MORIYA, Tsutomu
SHINOKUBO, Hiroyuki
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.
 MORGENSTERN, Joseph
BRASTY, Joseph
U 2,081,832 May 25, 1937 Insulator
Wireholder with hole and lag screw
MORGENSTERN, Joseph
BRASTY, Joseph
Wireholder  
 MORGAN, Andrew J.
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  
 MORGAN, Arthur M.
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  
 MORGAN, Jacque L.
D 29,782 December 6, 1898 Design for an Insulator
Miscellaneous insulator
MORGAN, Jacque L.
Misc  
D 30,564 April 18, 1899 Design for an Insulator
Miscellaneous insulator
MORGAN, Jacque L.
Misc  
 MORENE, Carl T.
U 1,206,882 December 5, 1916 Insulating Tube
Wall tube with wedge projections
MORENE, Carl T.
Wall Tube  
 MOORE, JR., George F.
U 742,890 November 3, 1903 Telephone Tie Wire
Tie wire consisting of loop of wire with preformed ends to wrap around the line wire
MOORE, JR., George F.
Tie Wire  
 MOORE, JR., Stewart L.
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 1,697,435 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 1,717,996 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 1,719,989 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.
 MOORE, George J.
U 950,454 February 22, 1910 Lightning Rod
Conductor cable made by spiralling one wire around a straight wire and making a cable using multiple pairs
MOORE, George J.
Lightning Rod Moore Brothers Lightning Rod Co.
U 964,297 July 12, 1910 Lightning Rod Upright
Lightning attached to conductor with bracket formed out of sheet metal and bolted to rod
MOORE, George J.
Lightning Rod  
 MOORE, Ira M.
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  
 MOORE, John W.
U Specimen known 1,048,850 December 31, 1912 Insulator
Findlay reversible ""Buckeye"" split-knob for crossovers
MOORE, John W.
Knob  
 MOORE, Roy W.
U 2,201,049 May 14, 1940 Glass Fabrication Process and Mold
Glass bushing making process
MOORE, Roy W.
Manufacturing General Electric Co.
 MOORE, Stewart L.
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.
 MOORE, William Enoch
U 955,661 April 19, 1910 Insulator
Under crossarm type (see 1,694,415)
MOORE, William Enoch
Under Crossarm  
 MOORE, William S.
U 996,782 July 4, 1911 Insulator
Crossover
MOORE, William S.
Crossover  
 MOODY, Walter S.
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.
 MONTANDON, Arthur
U 1,861,316 May 31, 1932 Insulator
Suspension (Hewlett type) with oil reservoir
MONTANDON, Arthur
Suspension 1/2 to Societe Gen. D'Entr.
 MOHRMANN, Paul
D 52,339 August 27, 1918 Design for a Weather Vane or Lightning Rod Ornament
Weathervane with a winged wheel attached
MOHRMANN, Paul
Weathervane Friedley-Voshardt Co.
D 52,340 August 27, 1918 Design for a Weather Vane or Lightning Rod Ornament
Weathervane with a stork bird attached
MOHRMANN, Paul
Weathervane Friedley-Voshardt Co.
D 52,341 August 27, 1918 Design for a Weather Vane or Lightning Rod Ornament
Weathervane with an ear of corn attached
MOHRMANN, Paul
Weathervane Friedley-Voshardt Co.
D 52,361 August 27, 1918 Design for a Weather Vane or Lightning Rod Ornament
Weathervane with a witch and crescent moon attached
MOHRMANN, Paul
Weathervane Friedley-Voshardt Co.
 MOFFAT, John Miles
U 572,438 December 1, 1896 Cell or Box for Electric Batteries
(Gould battery rests: CD 20, CD 25, CD 50, CD 51) also patents England: 10,463 (5-30-1894); Germany: 85,828 (3-26-1895)
MOFFAT, John Miles
Insulator  
 MOCK, John H.
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  
 MIX, Chauncey C.
U 2,843,653 July 15, 1958 Conductor Insulator Clamp
Tie wire replacement using a preformed bail wire design
MIX, Chauncey C.
Tie Wire  
 MITCHELL, Loron
U 609,288 August 16, 1898 Means for Fastening Insulator Pins to Crossarms
Pin, wooden with friction device to hold it in the crossarm
MITCHELL, Loron
Pin  
 MITCHELL, Melvin G.
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 National Cable & 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.
 MITCHELL, S. J.
U 47,846 May 23, 1865 Improvement in Lightning Rods
Lightning rod point made up of a multitude of tips and main shaft separate in branches
MITCHELL, S. J.
Lightning Rod Point  
 MINOR, Douglas F.
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.
 MINER, Stephen H.
U 121,884 December 12, 1871 Improvement in Lightning Rods
Lightning rod made of two metal plate with one ribbed in the center each edge curved into a circle
MINER, Stephen H.
Lightning Rod  
 MINER, Thomas H.
U 813,660 February 27, 1906 Lightning Conductor
Lightning rod and point made of a system of wires across the roof
MINER, Thomas H.
Lightning Rod  
 MINARIK, Rudolph A.
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
 MILNE, Winford G.
RIDGERS, Frederick G.
U 2,747,010 May 22, 1956 Transposition Bracket
Transposition bracket
MILNE, Winford G.
RIDGERS, Frederick G.
Transposition N. Slater Co., LTD
U 2,757,224 July 31, 1956 Transposition Bracket
Transposition bracket
MILNE, Winford G.
RIDGERS, Frederick G.
Transposition N. Slater Co., LTD
 MILLER, Charles E.
U 1,143,983 June 22, 1915 Insulator Support
Pin with metal spring coil of varying diameter for threads
MILLER, Charles E.
Pin  
U 1,385,638 July 26, 1921 Supporting Bracket
Steel pin with lag screw and spring for threads
MILLER, Charles E.
Pin  
U 1,838,319 December 29, 1931 Insulator
Wireholder with lag screw
MILLER, Charles E.
Wireholder  
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.
 MILLER, Frederic H.
JACKSON, Ray P.
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.
 MILLER, Frederick H.
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 1,669,529 May 15, 1928 Insulator
Suspension fog-type with wood strain insulator for connecting to another insulator
MILLER, Frederick H.
Suspension Westinghouse Electric & Mfg. Co.
 MILLER, George A.
U 873,154 December 10, 1907 Two Male T
Lightning rod ""T"" coupling
MILLER, George A.
Lightning Rod Coupling St. Louis Lightning Rod Co.
U 1,003,285 September 12, 1911 Lightning Rod Brace
Lightning rod tripod to support rod with Y-clips to hold conductor insulator or conductor
MILLER, George A.
Lightning Rod  
 MILLER, William R.
U 153,101 July 14, 1874 Improvement in Piano Sound Insulating Attachments
Glass insert in a piano leg with hole for mounting a caster wheel
MILLER, William R.
Piano  
U 155,099 September 15, 1874 Improvement in Insulators for Musical Instruments
Insulator mounted between the top of the piano leg and the piano
MILLER, William R.
Piano  
U 159,342 February 2, 1875 Improvement in Piano Insulators
Insulator mounted between the top of the piano leg and the piano
MILLER, William R.
Piano  
 MIETH, Herman
U 887,336 May 12, 1908 Electric Insulator
Radio antenna strain insulator made weatherproof with a metal cover.
MIETH, Herman
Radio Antenna  
 MIDDLETON, George
U 558,509 April 21, 1896 Wire Clamp for Telegraph or Similar Wires
Tie wire clamp with cam lever
MIDDLETON, George
Tie Wire  
 MEYER, Edwin M.
U 2,024,831 December 17, 1935 Insulator
Spool type wireholder and lag screw bracket
MEYER, Edwin M.
Wireholder Porcelain Products, 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 2,286,496 June 16, 1942 Wire Holder
Wireholder with lag screw
MEYER, Edwin M.
Wireholder Porcelain Products, Inc.
 MEYER, George
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  
 MEURLING, John A.
U 970,078 September 13, 1910 Insulator
Self-tying via side mounted device
MEURLING, John A.
Self-tying Miscellaneous  
 MERSHON, Ralph D.
U Specimen known 605,256 June 7, 1898 Insulator
CD 288, U-938 & U-945
MERSHON, Ralph D.
Insulator  
U 917,785 April 13, 1909 Insulating Support for High Tension Conductors
Suspension support system
MERSHON, Ralph D.
Suspension  
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  
 MERSHIMER, Lawrence M.
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  
 MERRICK, JR., John M.
U Specimen known 87,187 February 23, 1869 Improved Composition Insulator for Telegraph and other Electric Conductors
Composition material of silica, gum shellac etc. molded
MERRICK, JR., John M.
Composition  
 MERRELL, Edward A.
U 138,512 May 6, 1873 Improvement in Insulators for Telegraph lines
Self-tying insulator with cap
MERRELL, Edward A.
Self-tying Miscellaneous  
 MENZEL, Werner
U 628,343 July 4, 1899 Fixing of Insulators for Carrying Electric Line Wires
Metal pin with a threaded end for mounting an insulator and below that angular grooves to aid mounting and mortaring in brick, concrete or stone (see gb1899-0002396)
MENZEL, Werner
Pin  
 MENAGER, Henry A.
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
 MEISSE, Louis A.
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.
 MEGAHAN, Oliver P.
U 1,029,207 June 11, 1912 Insulator Support
Crossarm composed of reinforced concrete
MEGAHAN, Oliver P.
Crossarm  
 MEAD, George A.
U 945,972 January 11, 1910 Catenary Suspension for Trolley Wires and the Like
Catenary arrangement using deadend spools
MEAD, George A.
Catenary  
U Specimen known 1,048,992 December 31, 1912 Insulator
Strain, interlocking type (OB hog liver)
MEAD, George A.
Strain The Ohio Brass Co.
 MEAD, George Warren
U 584,823 June 22, 1897 Combined Bracket and Insulator
Combined bracket and insulator with bracket made of non-conducting material such as glass or porcelain
MEAD, George Warren
Bracket  
 MCNUTT, Ross C.
U 876,828 January 14, 1908 Insulator
Composition design of reinforced concrete
MCNUTT, Ross C.
Composition  
 MCLEOD, N. N.
U 22,188 November 30, 1858 Improved Supporting Insulator for Lightning Rods
Lightning rod insulator (glass) and bracket to support rod
MCLEOD, N. N.
Lightning Rod Insulator  
 MCLENNAN, Roderick
U 911,429 February 2, 1909 Cleat for Electric Wires
Cleat - L shaped for curves
MCLENNAN, Roderick
Cleat  
 MCLAUGHLIN, William
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 1,572,242 February 9, 1926 Beverage Cooler and Dispenser
Beverage cooler
MCLAUGHLIN, William
McLaughlin  
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 2,319,621 May 18, 1943 Cover for Glass Fixture Holders
Cover for electric light fixtures
MCLAUGHLIN, William
McLaughlin  
U 2,693,667 November 9, 1954 Method of Blowing Glass Bottles
Method to blow 5 gallon and larger glass bottles
MCLAUGHLIN, William
McLaughlin  
 MCLARN, Ernest S.
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.
 MCLACHLAN, Alexander
U 2,139,415 December 6, 1938 Strain or Suspension Clamp
A combined strain and suspension clamp
MCLACHLAN, Alexander
Suspension Jeffery Dewitt Insulator Co.
 MCKNIGHT, Oscar W.
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 1,342,053 June 1, 1920 Bushing Forming Machine
Machine to manufacture wall tubes and bushings
MCKNIGHT, Oscar W.
Wall Tube Brunt Tile & Porcelain Co.
U 1,517,084 November 25, 1924 Spur Forming Machine
Machine for making nail-knobs (see 1,314,682)
MCKNIGHT, Oscar W.
Knob Brunt Tile & Porcelain Co.
 MCKEE, Frederick
BALLINGER, Charles
U 42,143 March 29, 1864 Glass Pressing Machine
Glass press using steam piston to apply pressure
MCKEE, Frederick
BALLINGER, Charles
Press McKee and Brothers
 MCKEE, Samuel
U 107,075 September 6, 1870 Improvement in Telegraph Insulators
Threaded screw top (external) for mounting in hole in crossarm or pole
MCKEE, Samuel
Thread  
 MCGRORY, Thomas
U 293,901 February 19, 1884 Lock Wire Insulator
Self-tying with slotted crown (Electrical World 10-18-1884)
MCGRORY, Thomas
Self-tying Miscellaneous  
U 323,055 July 28, 1885 Insulator
Self-tying slot top with projections to bend wire
MCGRORY, Thomas
Self-tying Slot Top  
 MCGRATH, Sylvester S.
LAWLOR, John J.
U 674,792 May 21, 1901 Revolving Truck for Flag Poles
Lightning rod in combination with a revolving rope guide
MCGRATH, Sylvester S.
LAWLOR, John J.
Lightning Rod  
 MCGILL, John J.
U 829,416 August 28, 1906 Third Rail Insulator
Third rail insulator with 2-part metal cap to secure the rail.
MCGILL, John J.
Third Rail 1/2 to Frank J. Guernsey
 MCFEATERS, George H.
U Specimen known 746,362 December 8, 1903 Insulator Hanger or Bracket
Bracket for knobs
MCFEATERS, George H.
Bracket  
U 1,315,633 September 9, 1919 Insulator Support
Bracket for knobs
MCFEATERS, George H.
Bracket  
 MCDONALD, William B.
D 28,743 May 31, 1898 Design for an Insulator Plate
Truncated triangular glass plate with three wiring knobs for arc lights
MCDONALD, William B.
Misc  
 MCDAVITT, Murray
VINCENT, Harvard B.
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.
 MCDANIEL, Esek
BARR, Michael
U 802,015 October 17, 1905 Device for Attaching Telephone and Other Wires to Insulators
Tie wire with loop and clip to hold line wire
MCDANIEL, Esek
BARR, Michael
Tie Wire  
 MCDANIEL, Robert J.
GRAVES, Salathiel V.
U 787,107 April 11, 1905 Telegraph or Telephone Wire Insulator
Clamp type
MCDANIEL, Robert J.
GRAVES, Salathiel V.
Clamp Type Samuel Hudson
 MCCULLOUGH, William H.
U 852,572 May 7, 1907 Lightning Conductor
Lightning rod conductor made of braided wire with ends of the wire pushed through the braiding of the other to make a good connection
MCCULLOUGH, William H.
Lightning Rod  
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.
 MCCREERY, Cecil W.
HATFIELD, Milton W.
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.
 MCCREERY, Cecil Wayne
U 2,393,549 January 22, 1946 Press Molding Machine
Press for glass land mine production
MCCREERY, Cecil Wayne
OI Owens-Illinois Glass Co.
 MCCREERY, George L.
CAMPBELL, Van E.
HIGGINS, Ray
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.
 MCCREERY, George L.
CAMPBELL, Van E.
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.
 MCCOY, Robert L.
U 2,093,872 September 21, 1937 Radio Antenna Insulator for Airplanes
Antenna insulator for airplanes
MCCOY, Robert L.
Antenna Locke Insulator Corp.
 MCCLUSKEY, Francis J.
GOLDNER, George W.
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.
 MCCHESNEY, JR., Samuel Waldrop
U 2,269,409 January 6, 1942 Wire Holder
Wireholder with lag screw
MCCHESNEY, JR., Samuel Waldrop
Wireholder Porcelain Products, Inc.
 MCCARTHY, James B.
U 1,225,460 May 8, 1917 Insulator Wall Bracket
Bracket for rack knobs
MCCARTHY, James B.
Bracket National Metal Molding Co.
 MCCARTHY, Louis
U 411,749 September 24, 1889 Electric Insulator
Support for overhead wires for electric railways made of a block coated inside with composition material
MCCARTHY, Louis
Composition The Gould & Watson Co. and Charles Tennant Lee
U 413,146 October 15, 1889 Insulator
Tree insulator bracket holding wire with two spool type insulator
MCCARTHY, Louis
Tree Charles Lee & The Gould & Watson Co.
U 489,658 January 10, 1893 Strain Insulator
Strain type
MCCARTHY, Louis
Strain  
U Specimen known 530,706 December 11, 1894 Insulator
Composition insulator with clip ears
MCCARTHY, Louis
Composition  
D 28,355 March 8, 1898 Design for an Insulator
Insulator (composition?) with round end on pin
MCCARTHY, Louis
Misc  
D 28,356 March 8, 1898 Design for an Insulator
Insulator (composition?) similar to lightning rod ball
MCCARTHY, Louis
Misc  
U 605,741 June 14, 1898 Strain Insulator
Strain, adjustable insulator of composition & iron (Brown p. 30)
MCCARTHY, Louis
Strain  
U 706,194 August 5, 1902 Insulator
Strain composed of a ball of composition material with metal members embedded in the ball
MCCARTHY, Louis
Strain  
U 941,032 November 23, 1909 Process of Manufacturing Insulators
Press to mold and produce composition strain insulator
MCCARTHY, Louis
Press The Macallen Co.
U 1,000,535 August 15, 1911 Insulator
Strain, ball with eye-loops on each end
MCCARTHY, Louis
Strain  
 MCCANN, Thomas T.
U 934,930 September 21, 1909 Insulator Pressing Machine
Press for making porcelain insulators
MCCANN, Thomas T.
Press  
 MCABEE, Philip W.
D 69,185 January 5, 1926 Design for a Bottle
Design for bottle shaped like head of cabbage or lettuce
MCABEE, Philip W.
Bottle  
D Specimen known 71,289 October 19, 1926 Design for a Bottle
Design for Blatz soda bottle
MCABEE, Philip W.
Bottle  
 MAYER, Walter S.
U 1,271,596 July 9, 1918 Insulator Support
Bracket for knobs
MAYER, Walter S.
Bracket Electric Service Supplies Co.
 MAYALL, Thomas J.
U 243,782 July 5, 1881 Compound Substance for Electric Insulators
Composition for hard rubber for insulators
MAYALL, Thomas J.
Composition  
 MAXWELL, Marshall P.
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  
 MATTHEWMAN, Joseph
U 201,544 March 19, 1878 Improvement in Insulators for Telegraph Wires
Threads of segmented internal threads to match segmented pin
MATTHEWMAN, Joseph
Thread