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 LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '174') AND (category.subclass = '167') ORDER BY last_name ASC, first_name, date, patent, type

Total of 55 patents found where: Class is '174'; Subclass is '167';

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
 AUSTIN, Arthur O.
U 1,679,345 August 7, 1928 Method and Apparatus for Casting Ceramic Pieces
Manufacturing method of casting bushings with a hollow core
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,972,614 September 4, 1934 Insulator
Cementing and design technique to improve cement joint in cap and pin suspension and equipment support insulators
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,981,717 November 20, 1934 Insulator
Suspension cap and pin designed to improve strength of cement joint
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
 BAUM, Frank G.
U Specimen known 838,163 December 11, 1906 High Tension Insulator
Multipart with multiple petticoats under skirts (M-4325C, M-4415, M-4600) (see ID 5166)
BAUM, Frank G.
Insulator  
U 1,768,948 July 1, 1930 High Voltage Insulator
Suspension insulator
BAUM, Frank G.
Suspension Westinghouse Electric & Mfg. Co.
 BIELE, August
U 823,912 June 19, 1906 Insulator
Cylindrical insulator with hole for line wire and hole for tie wire mounted in hole in crossarm and secured with cover over top of crossarm
BIELE, August
Insulator  
 BOLTON, Daniel G.
U 1,020,122 March 12, 1912 Electrical Insulator
miscellaneous complicated design of multiple parts and cemented bushing
BOLTON, Daniel G.
Miscellaneous Frank S. Diener
 BROAD, William
U 1,755,587 April 22, 1930 Insulating Device
Crossover
BROAD, William
Crossover 3/4 to Harry McLain
 COLE, John J.
U 510,837 December 12, 1893 Lightning Rod Ornament
Lightning rod ornamental ball with bushing to secure the ball around the rod
COLE, John J.
Lightning Rod Ornament  
 CREIGHTON, Theodore
U Specimen known 450,708 April 21, 1891 Insulator
Lightning rod insulator
CREIGHTON, Theodore
Lightning Rod Insulator  
 GOOLD, Frederick D'A
U 477,753 June 28, 1892 Insulator
Clamp type
GOOLD, Frederick D'A
Clamp Type The Edison General Electric Co.
 HAWKEN, Thomas
U 346,475 August 3, 1886 Insulator Block for Electric Conductors
Wooden insulator mounted on wire to prevent wire touching other
HAWKEN, Thomas
Wood  
 HOLLAND, James
U 41,157 January 5, 1864 Improvement in Insulators for Telegraph Wires
Earthenware (terra-cotta) insulator to hold 3 to 7 wires
HOLLAND, James
Earthenware  
 HUNT, Emory C.
U Specimen known 753,399 March 1, 1904 Combination Bracket and Knob for Electric Conductors
nail-knob with hole in the top and two side groove for tie-wire (see Western Electrician 4-29-1905)
HUNT, Emory C.
Knob 1/2 to Charles Snyder
 JEWETT, Frank B.
U 1,033,019 July 16, 1912 Insulator
Cover for bridle wire drop
JEWETT, Frank B.
Miscellaneous American Telephone & Telegraph Co.
 JOHNSON, Benjamin
U 1,700,166 January 29, 1929 Insulator for Bridle Wires
Dry-spot using coke bottle top & cap
JOHNSON, Benjamin
Dry-spot American Telephone & Telegraph Co.
 KENNEALLY, Martin M.
U 2,361,109 October 24, 1944 Insulating Protector for Conducting Wires
Tree insulator to protect the wire
KENNEALLY, Martin M.
Tree The Porcelain Insulator Corp.
 KYLE, William D.
U 1,500,626 July 8, 1924 Supporting Insulator
Bracket for wireholder knobs and knob with lag screw
KYLE, William D.
Bracket  
U 1,663,011 March 20, 1928 Line Conductor Insulator
Wireholder with lag screw and bolt attachment
KYLE, William D.
Wireholder Line Material Co.
U 1,706,237 March 19, 1929 Secondary Rack
Wireholder with hole near the bottom for attaching to a metal rack and hole near the top for securing the drop wire.
KYLE, William D.
Wireholder Line Material Co.
U Specimen known 1,709,477 April 16, 1929 Insulator
Wireholder with lag screw
KYLE, William D.
Wireholder Line Material Co.
U 1,720,181 July 9, 1929 Insulator
Wireholder
KYLE, William D.
Wireholder Line Material Co.
U 1,736,043 November 19, 1929 Insulator
Knob
KYLE, William D.
Knob Line Material Co.
U 1,736,044 November 19, 1929 Screw Insulator
Wireholder with lag screw
KYLE, William D.
Wireholder Line Material Co.
U 1,749,915 March 11, 1930 Insulator Rack
Wireholder mounted on a rack
KYLE, William D.
Wireholder Line Material Co.
U 1,914,436 June 20, 1933 Insulator
Metal terminal built into a secondary rack insulator or wireholder that is used to secure the deadend of the drop wire with the terminal making the connection to the wire leading into the building eliminating the need for soldering or other poor connection (see 1,821,221; 1,821,222; 1,877,903)
KYLE, William D.
Bracket/secondary Rack Line Material Co.
 LEE, Leffman H.
GUTHRIE, James M.
U 2,191,171 February 20, 1940 Insulator
Wireholder with lag screw
LEE, Leffman H.
GUTHRIE, James M.
Wireholder Line Material Co.
 LOCKE, Fred M.
U 758,986 May 3, 1904 Tubular Insulator
Cylindrical insulator
LOCKE, Fred M.
Cylinder  
U 870,187 November 5, 1907 Wall Insulator
Wall tube with skirts
LOCKE, Fred M.
Wall Tube  
U 878,646 February 11, 1908 High Potential Insulator
Wall through bushing with multitude of petticoats
LOCKE, Fred M.
Wall Tube  
 MORGENSTERN, Joseph
BRASTY, Joseph
U 2,081,832 May 25, 1937 Insulator
Wireholder with hole and lag screw
MORGENSTERN, Joseph
BRASTY, Joseph
Wireholder  
 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  
 OAKMAN, Samuel
U Specimen known 451,950 May 12, 1891 Electric Insulator
CD 262, CD 263, CD 264, eyes for tie wire
OAKMAN, Samuel
Insulator  
 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  
 PITTMAN, Ralph R.
WALSH, Carroll H.
U 2,139,333 December 6, 1938 Sealed Screw Wire Holder
Wireholder with lag screw
PITTMAN, Ralph R.
WALSH, Carroll H.
Wireholder  
 POCHE, Joseph Arthur
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  
 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
 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  
 RITTER, William F.
U 934,463 September 21, 1909 Cleat for Electric Wires
Cleat for ceiling wires and fixtures
RITTER, William F.
Cleat  
 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.
 ROBERTSON, John
U 123,198 January 30, 1872 Improvement in Telegraphic Insulators and Brackets
Cylindrical, slotted insulator with flanges and bracket
ROBERTSON, John
Cylinder  
 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
 SCHAFFLER, Oscar
U 1,706,987 March 26, 1929 Electric Wire Insulator
Bushing
SCHAFFLER, Oscar
Bushing  
 SCHAUB, Ferdinand
U 1,056,711 March 18, 1913 Crossover Insulator for Electrical Conductors
Crossover
SCHAUB, Ferdinand
Crossover  
 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  
 SEELY, John A.
U 296,881 April 15, 1884 Insulator
Rubber covered ring and knob with lag screw
SEELY, John A.
Rubber  
 SELLYE, Howard P.
U 2,050,898 August 11, 1936 Electrical Insulator
Wireholder with large hole and lag screw
SELLYE, Howard P.
Wireholder  
 SMOCK, Benjamin D.
U 574,828 January 5, 1897 Insulator
Hanger insulator for end of pole or other support
SMOCK, Benjamin D.
Hanger  
 STEINBERGER, Louis
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  
 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.
 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
 STUBBINGS, Edwin L.
U 1,663,421 March 20, 1928 Line Breaker
Breaker insulator similar to guy strain
STUBBINGS, Edwin L.
Breaker  
 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  
 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  
 WRIGHT, Evans C.
U 783,348 February 21, 1905 Insulator
Knob - self-tying
WRIGHT, Evans C.
Knob 1/2 to Francis McHenry

Total of 0.05 seconds