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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '174') AND (category.subclass = '185') ORDER BY specimen DESC, 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
 1890
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  
 1907
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
 1908
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  
 1940
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  
 1865
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
 1870
U 105,625 July 26, 1870 Improvement in Telegraph Insulators
Gutta-percha, paraffin or other insulation separating two metal shells
BALDWIN, William W.
Gutta  
 1871
U 112,281 February 28, 1871 Improvement in Insulators for Telegraph Wires
Hook, new shape
ROBBINS, Zenas C.
Hook  
 1889
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
 1890
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.
 1891
U 461,631 October 20, 1891 Insulating Support for Electric Conductors
Oil insulator
HEWETT, Robert J.
Oil  
 1892
U 482,872 September 20, 1892 Insulator
Strain type
LEE, Charles T.
Strain The Johns-Pratt Co.
U 488,046 December 13, 1892 Insulator
Strain type
WIRT, Charles
Strain  
 1894
U 530,498 December 11, 1894 Insulator for Electric Overhead Construction
Strain type ball shaped
BALL, Henry Price
Strain General Electric Co.
 1897
U 576,392 February 2, 1897 Insulator
Trolley hanger
BILLINGS, Harry E.
Trolley Hanger The Billings & Spencer Co.
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
 1902
U 717,322 December 30, 1902 Insulator for High Potential Lines
Metal clad suspenion insulator.
BARRY, Charles E.
Suspension General Electric Co.
 1905
U 805,788 November 28, 1905 Electric Strain Insulator
Porcelain or glass strain insulator in compression
FOSTER, Samuel L.
Strain  
 1908
U 887,996 May 19, 1908 Combined Insulator and Lamp Hanger
Hanger for lamp
BURGE, James M.
Hanger  
U 905,014 November 24, 1908 Flexible Suspension for Conductors
Electrose suspension system
STEINBERGER, Louis
Electrose  
 1909
U 941,032 November 23, 1909 Process of Manufacturing Insulators
Press to mold and produce composition strain insulator
MCCARTHY, Louis
Press The Macallen Co.
 1910
U 949,604 February 15, 1910 System of Insulation
Thimble shaped suspension insulator separated by tubular insulator
STEINBERGER, Louis
Thimble  
 1911
U 1,000,535 August 15, 1911 Insulator
Strain, ball with eye-loops on each end
MCCARTHY, Louis
Strain  
 1924
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.
 1926
U 1,594,207 July 27, 1926 Insulator
Wireholder with lag screw and ring
KYLE, William D.
Wireholder Line Material Co.
 1927
U 1,654,047 December 27, 1927 Strain Insulator
Strain insulator with steel covering whereby the porcelain insulator is in compression
LAPP, John S.
Strain Lapp Insulator Co.
 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 1,937,964 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.

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