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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 = '185') ORDER BY last_name DESC, first_name, date, patent, type

Total of 27 patents found where: Class is '174'; Subclass is '185';

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T / S Patent Date Description Patentee Category Assigned To
 WIRT, Charles
U 488,046 December 13, 1892 Insulator
Strain type
WIRT, Charles
Strain  
 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.
 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
 STEINBERGER, Louis
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 949,604 February 15, 1910 System of Insulation
Thimble shaped suspension insulator separated by tubular insulator
STEINBERGER, Louis
Thimble  
 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  
 ROBBINS, Zenas C.
U 112,281 February 28, 1871 Improvement in Insulators for Telegraph Wires
Hook, new shape
ROBBINS, Zenas C.
Hook  
 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 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  
 LEE, Charles T.
U 482,872 September 20, 1892 Insulator
Strain type
LEE, Charles T.
Strain The Johns-Pratt Co.
 LAPP, John S.
U 1,654,047 December 27, 1927 Strain Insulator
Strain insulator with steel covering whereby the porcelain insulator is in compression
LAPP, John S.
Strain Lapp Insulator Co.
 KYLE, William D.
U 1,594,207 July 27, 1926 Insulator
Wireholder with lag screw and ring
KYLE, William D.
Wireholder Line Material Co.
 JENNER, Ralph L.
U 1,937,964 December 5, 1933 Insulator Support for Tower or Mast Type Antenna
Insulator for supporting radio tower or mast antenna
JENNER, Ralph L.
Antenna Lapp Insulator Co., Inc.
 HEWETT, Robert J.
U 461,631 October 20, 1891 Insulating Support for Electric Conductors
Oil insulator
HEWETT, Robert J.
Oil  
 HAWLEY, Kent A.
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.
 HAMMEL, Victor F.
U Specimen known 2,191,152 February 20, 1940 Electrical Insulator
CD 240.2 with metal saddle embedded in crown for RFI (see 2,089,791)
HAMMEL, Victor F.
Insulator  
 FOSTER, Samuel L.
U 805,788 November 28, 1905 Electric Strain Insulator
Porcelain or glass strain insulator in compression
FOSTER, Samuel L.
Strain  
 BURGE, James M.
U 887,996 May 19, 1908 Combined Insulator and Lamp Hanger
Hanger for lamp
BURGE, James M.
Hanger  
 BILLINGS, Harry E.
U 576,392 February 2, 1897 Insulator
Trolley hanger
BILLINGS, Harry E.
Trolley Hanger The Billings & Spencer Co.
 BENJAMIN, Edward O.
U 1,494,766 May 20, 1924 Insulating Support
Battery rest insulator sitting on a foot to allow movement
BENJAMIN, Edward O.
Battery International Oxygen Co.
 BARRY, Charles E.
U 717,322 December 30, 1902 Insulator for High Potential Lines
Metal clad suspenion insulator.
BARRY, Charles E.
Suspension General Electric Co.
 BALL, Henry Price
U 530,498 December 11, 1894 Insulator for Electric Overhead Construction
Strain type ball shaped
BALL, Henry Price
Strain General Electric Co.
 BALDWIN, William W.
U 105,625 July 26, 1870 Improvement in Telegraph Insulators
Gutta-percha, paraffin or other insulation separating two metal shells
BALDWIN, William W.
Gutta  
 ANDERSON, Albert
U 595,089 December 7, 1897 Third Rail Insulator
Third rail insulator with metal protective covering.
ANDERSON, Albert
Third Rail 1/2 to Johan M. Anderson
U Specimen known 869,404 October 29, 1907 Strain Insulator
Strain insulator made of a ball with two loop connectors
ANDERSON, Albert
Strain Albert & J M Anderson Mfg. Co

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