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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (assigned_to = 'Locke Insulator Corp.') ORDER BY date ASC, patent, type

Total of 134 patents found where: Assigned To is 'Locke Insulator Corp.';

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T / S Patent Date Description Patentee Category Assigned To
 1922
U 1,406,953 February 14, 1922 Strain Insulator
Suspension with special slotted cap and pin to improve cement joint		 GODDARD, Walter T.
 Suspension Locke Insulator Corp.
U 1,409,091 March 7, 1922 Cement
Cement composition		 GODDARD, Walter T.
 Cement Locke Insulator Corp.
U 1,412,759 April 11, 1922 Cementless Strain Insulator
Suspension disks connected by circular clamps		 STEVENS, Frank J.
 Suspension Locke Insulator Corp.
U 1,413,023 April 18, 1922 Method and Means for Forming Passages in Plastic Material
Suspension Hewlett design, method of cutting ring hole		 GOUVERNEUR, Minor F. H.
 Suspension Locke Insulator Corp.
U 1,426,981 August 22, 1922 Insulator
High tension strain made up of one or more ribbed insulators		 GODDARD, Walter T.
 Strain Locke Insulator Corp.
 1923
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 1,454,634 May 8, 1923 Insulator
Suspension or multipart attachment using wire lacing		 GODDARD, Walter T.
 Suspension Locke Insulator Corp.
U Specimen known 1,458,754 June 12, 1923 Insulator
Multipart with outer angular, flush, mating surfaces and cemented		 GODDARD, Walter T.
 Multipart Locke Insulator Corp.
U 1,458,755 June 12, 1923 Insulator
Improved method of connection sections of strain insulators		 GODDARD, Walter T.
 Multipart Locke Insulator Corp.
U 1,458,756 June 12, 1923 Strain Insulator
Strain insulator with improved method of connecting the metal caps		 GODDARD, Walter T.
 Strain Locke Insulator Corp.
U 1,474,256 November 13, 1923 Insulator
Special columnar insulators to support structure for a radio transmitter		 GODDARD, Walter T.
 Radio Locke Insulator Corp.
 1924
U 1,498,622 June 24, 1924 Strain Insulator
Strain insulator for high tension lines that is strong and lightweight		 GODDARD, Walter T.
 Strain Locke Insulator Corp.
U 1,501,107 July 15, 1924 Method of Connecting Insulator Parts
Method of making a cement impervious to water		 GOUVERNEUR, Minor F. H.
 Cement Locke Insulator Corp.
 1925
U 1,544,148 June 30, 1925 Method of Connecting Insulators
Multipart, method of cementing sections with solder		 GOUVERNEUR, Minor F. H.
 Multipart Locke Insulator Corp.
U 1,556,029 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.
 1926
U 1,579,174 March 30, 1926 Insulator
Suspension with metal eye-bolt pin		 GOUVERNEUR, Minor F. H.
 Suspension Locke Insulator Corp.
U 1,610,085 December 7, 1926 Insulator
Multipart, alternating elastic bands & roughened surface aids cementing		 GODDARD, Walter T.
 Multipart Locke Insulator Corp.
 1927
U 1,617,154 February 8, 1927 Insulator
Suspension with metal eye-bolt pin and cap with special securing clips		 GOUVERNEUR, Minor F. H.
 Suspension Locke Insulator Corp.
U 1,621,246 March 15, 1927 Insulator
High tension insulator made of parts with metal plates bolted to upper and lower surface or suspension disks bolted together		 GODDARD, Walter T.
 Multipart Locke Insulator Corp.
U 1,625,601 April 19, 1927 Insulator
Suspension insulator made of multiple sections that are clamped together in the field		 GODDARD, Walter T.
 Suspension Locke Insulator Corp.
U 1,628,241 May 10, 1927 Insulator
Post type insulator composed of multiple parts		 GODDARD, Walter T.
 Post Type Locke Insulator Corp.
U 1,647,695 November 1, 1927 Method of Assembling Insulators
Manufacturing method of using adhesive to hold shells together before injecting cement and sealing edges of the cured cement joint		 HAWLEY, Kent Allen
 Manufacturing Locke Insulator Corp.
U 1,650,034 November 22, 1927 Insulator
Suspension with slotted metal cap for pin linkage		 OSBORNE, David H.
 Suspension Locke Insulator Corp.
U Specimen known 1,651,201 November 29, 1927 Insulator
Suspension Hewlett type		 GOUVERNEUR, Minor F. H.
 Suspension Locke Insulator Corp.
 1928
U 1,657,922 January 31, 1928 Method of Assembling Insulators
Sprayed coating of metal or asphalt with heat treatment to improve cement joint		 GODDARD, Walter T.
 Cement Locke Insulator Corp.
U 1,657,924 January 31, 1928 Chain Link for Insulators
Link for Hewlett suspension insulator		 GOUVERNEUR, Minor F. H.
GOUVERNEUR, Fairfax H.
 Suspension Locke Insulator Corp.
U 1,661,823 March 6, 1928 Insulator
Suspension string with insulators having conducting surface to balance electrical field		 HAWLEY, Kent A.
 Suspension Locke Insulator Corp.
U 1,677,294 July 17, 1928 Insulator Assembly Jig
Centering jig for assembling multipart porcelain insulators		 ROBERTSON, John Cullen
 Manufacturing Locke Insulator Corp.
U 1,684,441 September 18, 1928 High Tension Insulator
Suspension with special ribbed cap and pin		 GOUVERNEUR, Minor F. H.
 Suspension Locke Insulator Corp.
U 1,687,759 October 16, 1928 Insulator Knurling Device
Manufacturing method of cutting inside of multipart joints to aid cement adhesion		 GOUVERNEUR, Minor F. H.
 Manufacturing Locke Insulator Corp.
U 1,688,011 October 16, 1928 Insulator
Strain for guy wires with special wire connecting links		 GOUVERNEUR, Minor F. H.
 Strain Locke Insulator Corp.
U 1,688,015 October 16, 1928 Insulator
Strain for guy wires with special wire connecting links		 GOUVERNEUR, Minor F. H.
 Strain Locke Insulator Corp.
U Specimen known 1,690,291 November 6, 1928 Insulator
Suspension flying saucer type with special link design		 GOUVERNEUR, Minor F. H.
 Suspension Locke Insulator Corp.
U 1,695,458 December 18, 1928 Insulator
Multipart (& suspension disk) with spacing cap and molten metal as cement		 GODDARD, Walter T.
 Multipart Locke Insulator Corp.
U 1,696,861 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.
 1929
U 1,697,422 January 1, 1929 Device for Cutting Holes in Insulators
Device for cutting holes in Hewlett type suspension disks for links		 GOUVERNEUR, Minor F. H.
 Manufacturing Locke Insulator Corp.
U 1,697,423 January 1, 1929 Method and Device for Cutting Holes in Insulators
Manufacturing method of cutting holes in Hewlett type suspension disks for links		 GOUVERNEUR, Minor F. H.
 Manufacturing Locke Insulator Corp.
U 1,697,434 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 1,699,063 January 15, 1929 Method of Making Insulators
Suspension insulator, method to attach skirts to a central shank 		HAWLEY, Kent A.
 Suspension Locke Insulator Corp.
U 1,706,488 March 26, 1929 Insulator
Fogbowl via metal pan under skirt		 HAWLEY, Kent A.
 Fog Type Locke Insulator Corp.
U 1,712,556 May 14, 1929 Insulator Suspension Link
Suspension links for Hewlett disks that are ductile and pliable		 GOUVERNEUR, Minor F. H.
 Suspension Locke Insulator Corp.
U 1,712,557 May 14, 1929 Link Liner
Ductile and pliable liner for the holes in Hewletts to cushion link contact		 GOUVERNEUR, Minor F. H.
 Suspension Locke Insulator Corp.
U 1,712,900 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 1,714,814 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 1,716,123 June 4, 1929 Insulator
Multipart with external cement joints covered with tar for RFI		 GODDARD, Walter T.
 Multipart Locke Insulator Corp.
U 1,717,996 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 1,719,945 July 9, 1929 Insulator
Suspension with cutout metal cap and split spring metal eye-pin		 SCHOENTHALER, George Henry
 Suspension Locke Insulator Corp.
U 1,719,989 July 9, 1929 Method of and Apparatus for Assembling Insulators
Method of assembling the shells, holding downward pressure, and vibrating to settle cement around the shells to eliminate air		 MOORE, JR., Stewart L.
 Manufacturing Locke Insulator Corp.
U 1,733,729 October 29, 1929 Method of Casting Link-Type Insulators
Manufacturing method to cast Hewlett type suspension disks		 GOUVERNEUR, Minor F. H.
STEVENS, Frank J.
 Manufacturing Locke Insulator Corp.
U 1,737,999 December 3, 1929 Insulator
Thimble that screws into the pinhole and screws onto a special steel pin		 GODDARD, Walter T.
 Thimble Locke Insulator Corp.
U 1,739,637 December 17, 1929 Insulator
Multipart porcelain pedestal insulator with threaded holes in the metal cap to bolt another insulator on top		 HAWLEY, Kent A.
 Pedestal Locke Insulator Corp.
 1930
U 1,772,513 August 12, 1930 Insulator
Design to allow the lowermost Hewlett disk to have its underside wetted with rain equally with disks above		 HAWLEY, Kent Allen
 Suspension Locke Insulator Corp.
U 1,776,557 September 23, 1930 Pedestal Insulator
Pedestal insulator similar to suspension disk with metal cap and pin to bolt other units to		 HAWLEY, Kent A.
 Pedestal Locke Insulator Corp.
U 1,776,573 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 1,778,152 October 14, 1930 Multiple Skirt Suspension Insulator
Odd two-disk suspension made in one piece with metal caps on each end		 HAWLEY, Kent A.
 Suspension Locke Insulator Corp.
U 1,778,153 October 14, 1930 Insulator Pin Centering Means
Suspension disk with large opening for additional cement around the pin and a means to keep the pin centered		 HAWLEY, Kent A.
 Suspension Locke Insulator Corp.
U 1,778,154 October 14, 1930 Cushion for Insulator Pins and Method of Applying
Suspension disk or pin-type pin with asphalt disk at top of pin to cushion strain of pin		 HAWLEY, Kent A.
 Suspension Locke Insulator Corp.
U 1,778,176 October 14, 1930 Insulator
Suspension design using soft metal liner to prevent strain between cap and insulator		 VAN ATTA, Cloyd A.
 Suspension Locke Insulator Corp.
U 1,780,246 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.
U 1,784,792 December 9, 1930 Apparatus for Making Insulators
Manufacturing method that replace casting large unipart insulators with a means to press out the entire form of the insulator		 HAWLEY, Kent A.
 Manufacturing Locke Insulator Corp.
 1931
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 1,794,111 February 24, 1931 Multiple Skirt Insulator
Suspension insulator with multiple skirts and pins or hooks embedded in the ends		 HAWLEY, Kent A.
 Suspension Locke Insulator Corp.
U 1,808,105 June 2, 1931 Insulator Cutter and Method of Treating Insulators
Manufacturing method to cut out the top and bottom recess of a Hewlett suspension disk and ready for cutting the holes for link passages		 GOUVERNEUR, Minor F. H.
 Manufacturing Locke Insulator Corp.
U 1,810,424 June 16, 1931 Means for Sealing Insulators
Suspension insulator with metal connectors cemented in the insulator with molten metal under a vacuum to remove entrapped air in the joint		 HAWLEY, Kent A.
 Suspension Locke Insulator Corp.
U 1,819,380 August 18, 1931 Insulator Connection
Suspension insulator cap and pin that can be locked in securely		 OSBORNE, David H.
 Suspension Locke Insulator Corp.
U 1,819,748 August 18, 1931 Insulator
Suspension of the cap and pin design specially designed to make a strong joint for the cap and pin		 HAWLEY, Kent A.
OSBORNE, David H.
 Suspension Locke Insulator Corp.
U 1,822,458 September 8, 1931 Measuring Apparatus
Device to measure the density of clay slip		 ROWLAND, Davidge H.
ROBERTSON, John C.
 Manufacturing Locke Insulator Corp.
U 1,822,485 September 8, 1931 Insulator
Method of attached metal cap and pin to suspension insulators		 HAWLEY, Kent A.
 Suspension Locke Insulator Corp.
U 1,829,926 November 3, 1931 Insulator Pin
Steel pin with saddle that fits over a curved-top crossarm		 HAWLEY, Kent A.
 Pin Locke Insulator Corp.
U 1,831,765 November 10, 1931 Insulator Link Connector
Link for Hewlett suspension disk		 GOUVERNEUR, Minor F. H.
 Link Locke Insulator Corp.
U 1,832,157 November 17, 1931 Insulator
Suspension insulator pin that is coated and designed to prevent stress from temperature changes		 VAN ATTA, Cloyd B.
 Suspension Locke Insulator Corp.
U 1,832,240 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.
 1932
U 1,841,949 January 19, 1932 Insulator With Caps
Steel cap cemented to top of insulator with bolts for stacking insulators		 HAWLEY, Kent A.
 Miscellaneous Locke Insulator Corp.
U 1,848,622 March 8, 1932 Insulator
Suspension rod with metallic shields to keep upper and lower parts dry to prevent electrical leakage		 GOUVERNEUR, Minor F. H.
 Suspension Locke Insulator Corp.
U 1,863,539 June 14, 1932 Pole Top Pin
Steel pin with strap to attach to top of pole		 HAWLEY, Kent A.
 Pin Locke Insulator Corp.
U 1,865,134 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 1,866,792 July 12, 1932 Multiple Insulator Trimming Machine
Machine to trim several insulators at the same time		 BENARD, Arthur G.
 Manufacturing Locke Insulator Corp.
U 1,866,804 July 12, 1932 Means for Utilizing Wood Poles to Aid Insulators
On wood poles, connect the steel pins with a conductor and fuse to aid grounding an insulator struck by lightning and reduce the chance of burning the crossarm or pole		 HAWLEY, Kent A.
 Transmission Locke Insulator Corp.
U 1,888,571 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 1,889,244 November 29, 1932 Noninterferring Insulator
RFI treatment for new or existing insulators by attaching a metal crown		 HAWLEY, Kent A.
 RFI Locke Insulator Corp.
U 1,891,708 December 20, 1932 Insulator Cotter and Mode of Use
Suspension insulator cap and cotter pin permanent assembled that cannot be removed except with a special device		 GALLOWAY, Howard L.
 Suspension Locke Insulator Corp.
 1933
U 1,892,888 January 3, 1933 Strain Insulator
Elaborate strain insulator with metal rings and rods attached around the insulator		 HAWLEY, Kent A.
 Strain Locke Insulator Corp.
U 1,894,292 January 17, 1933 Strain Insulator
Helical strain insulator		 CRAMER, Walter
 Helical Locke Insulator Corp.
U 1,902,310 March 21, 1933 Method of Making Insulator Caps
Method of pressing out a malleable metal cap		 PLIMPTON, Bentley A.
 Manufacturing Locke Insulator Corp.
U 1,904,608 April 18, 1933 Insulator Finishing Brushing Machine
Machine to grind down interlinking passages in a semi-dry insulator body for metal fittings		 BETTINI, David
 Manufacturing Locke Insulator Corp.
U 1,910,333 May 23, 1933 Insulator Connection
Suspension with special cotter pin to prevent cap and pin from coming disconnected		 HAWLEY, Kent A.
 Suspension Locke Insulator Corp.
U 1,912,007 May 30, 1933 Insulator Pin
Steel pin and externally threaded steel cone support securely mounted to the crossarm		 PLIMPTON, Bentley A.
HAWLEY, Kent A.
 Pin Locke Insulator Corp.
U 1,913,305 June 6, 1933 Suspension Means for Guy Strain Insulators
Guy strain insulators connected by means of special metal hardware		 GOUVERNEUR, Minor F. H.
 Strain Locke Insulator Corp.
U 1,925,058 August 29, 1933 Process for Forming Plastic Clay Masses
Wet process clay reflocculation method to eliminate pugging process		 ROWLAND, Davidge H.
WETZEL, Kurt
 Wet Process Locke Insulator Corp.
U 1,931,626 October 24, 1933 Insulator
Threads molded from cement in finished insulator		 STEVENS, Frank J.
 Thread Locke Insulator Corp.
U 1,940,591 December 19, 1933 Protecting Apparatus for Insulators
Arcing ring for string of suspension insulators		 HAWLEY, Kent A.
 Arcing Ring Locke Insulator Corp.
 1934
U 1,944,134 January 16, 1934 Insulator Assembling Machine
Machine to press on and turn cap to secure the cement and cement in the metal pin		 ROBERTSON, John Cullen
 Manufacturing Locke Insulator Corp.
U 1,953,025 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 1,958,435 May 15, 1934 High Tension Insulator
Post or pedestal insulator with hollow interior filled with dry sand		 HAWLEY, Kent Allen
 Post Type Locke Insulator Corp.
U 1,975,576 October 2, 1934 Method of Applying a Conducting Coating on Insulators
RFI coating of carbon fused to the surface		 HAWLEY, Kent A.
 RFI Locke Insulator Corp.
U 1,976,378 October 9, 1934 Aviation Marker
Aviation warning light attached to a suspension insulator		 VROOMAN, Edward C.
 Misc Locke Insulator Corp.
U 1,977,129 October 16, 1934 Hardware for Guy Strain Insulators
Metal hardware for guy strain insulators		 HILL, Gregory C.
 Strain Locke Insulator Corp.
U 1,977,957 October 23, 1934 Bus Bar and Bushing Connection
Connector to hold bus bar inside a bushing		 STEVENS, Leland S.
 Bushing Locke Insulator Corp.
U 1,978,627 October 30, 1934 Vibrating Plunging Machine
Manufacturing method using a vibrating plunger tool to form the underside shape of the insulator without causing stresses in the finished porcelain		 GOUVERNEUR, Minor F. H.
 Manufacturing Locke Insulator Corp.
U 1,978,649 October 30, 1934 Bus Bar and Bushing Connection
Connector to hold bus bar inside a bushing		 ROBERTS, Charles W.
 Bushing Locke Insulator Corp.
U 1,983,569 December 11, 1934 Pedestal Switch Insulator
Pedestal insulator to support switch gear or bus bar		 ROWLAND, Davidge H.
 Pedestal Locke Insulator Corp.
U 1,983,903 December 11, 1934 Protective Apparatus for Double String Installations
Arcing rings for a double string of suspension insulators		 HAWLEY, Kent A.
 Arcing Ring Locke Insulator Corp.
 1935
U Specimen known 1,988,369 January 15, 1935 Radio Interferenceproof Insulator
Metal cap cemented into recessed formed in top of pin type insulator		 BROWN, Harold H.
 Metal Locke Insulator Corp.
U 1,998,406 April 16, 1935 Insulator Suspension Hardware
Links for Hewlett type suspension disks		 GOUVERNEUR, Minor F. H.
 Suspension 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 2,023,808 December 10, 1935 Shielded Cemented Type Insulator
Suspension cementing procedure using metal cap (disc, J-D type & bus)		 HAWLEY, Kent A.
 Suspension Locke Insulator Corp.
 1936
U 2,026,782 January 7, 1936 Clay Homogenizing Method and Apparatus
Manufacturing method using vibration as the clay is extruded from the pug mill to ensure homogeneity.		 GOUVERNEUR, Minor F. H.
 Manufacturing Locke Insulator Corp.
U 2,034,707 March 24, 1936 Apparatus for Making One-Piece Insulators
Machine to press out the form and trim the profile in large unipart insulators		 BENARD, Arthur G.
 Manufacturing Locke Insulator Corp.
U 2,043,523 June 9, 1936 Insulator
Suspension disk using metal malleable liner to aid cement expansion under the metal cap		 VAN ATTA, Cloyd B.
 Suspension Locke Insulator Corp.
U 2,044,332 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 2,048,504 July 21, 1936 Tower Supporting Insulator
Insulator to support radio antenna tower		 HAWLEY, Kent A.
 Radio Locke Insulator Corp.
U 2,048,558 July 21, 1936 Insulator Plunging Machine
Plunging machine to form the shape of bushings and other insulators without the need for turning		 MOORE, Stewart L.
 Manufacturing Locke Insulator Corp.
U 2,056,813 October 6, 1936 Flux Distributing Insulator
Radio antenna strain insulator with metal ribs on the outside to control the electrostatic flux density		 VROOMAN, Edward C.
 Strain Locke Insulator Corp.
U 2,059,036 October 27, 1936 Clay Testing Apparatus
Machine to measure the hardness or plasticity of clay		 ROWLAND, Davidge H.
 Manufacturing Locke Insulator Corp.
 1937
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.
U 2,093,872 September 21, 1937 Radio Antenna Insulator for Airplanes
Antenna insulator for airplanes		 MCCOY, Robert L.
 Antenna Locke Insulator Corp.
U 2,093,875 September 21, 1937 Strain Insulator
Strain insulator for radio antennas		 STEVENS, Leland James
 Strain Locke Insulator Corp.
U 2,096,613 October 19, 1937 Multithread Pin Insulator Assembly
Pin with threaded malleable thimble that screws onto the steel pin allowing each adjustment of insulator with conductor		 HILL, Gregory C.
 Pin Locke Insulator Corp.
 1939
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.
 1941
U 2,230,205 January 28, 1941 Process of Connecting a Metal Body to a Vitreous Ceramic Body
Metallic coating to facilitate soldering metal parts onto the insulator		 ROWLAND, Davidge H.
CROSKEY, Carl D.
 Miscellaneous Locke Insulator Corp.
U 2,250,044 July 22, 1941 Insulator
Multipart insulator with glazed sanded surfaces to improve strength of cap		 CROSKEY, Carl D.
ROWLAND, Davidge H.
 Multipart Locke Insulator Corp.
U 2,264,152 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.
 1942
U Specimen known 2,287,976 June 30, 1942 Insulator
Glaze - compression glaze & sand joint		 CROSKEY, Carl D.
ROWLAND, Davidge H.
 Glaze Locke Insulator Corp.
U 2,292,248 August 4, 1942 Bushing
Bushing composed of several parts with open chambers		 STEVENS, Leland J.
 Bushing Locke Insulator Corp.
U 2,297,646 September 29, 1942 Pug Mill
Pug mill design to prevent stresses and strains in the clay as it is extruded		 BELLEZZA, Russell G.
SKIPPER, Edward M.
 Pug Mill Locke Insulator Corp.
 1944
U 2,341,309 February 8, 1944 Cutting Tool
Cutting tool to remove clay from inside a bushing		 BETTINI, David Joseph
 Cutting Tool Locke Insulator Corp.
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 2,357,550 September 5, 1944 Insulator
RFI coating applied before firing the insulator		 ROWLAND, Davidge H.
 RFI Locke Insulator Corp.
 1947
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.

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