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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 = '190') ORDER BY assigned_to ASC, date, patent, type

Total of 9 patents found where: Class is '174'; Subclass is '190';

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T / S Patent Date Description Patentee Category Assigned To
U Specimen known 822,642 June 5, 1906 Wood Strain Insulator
Wood strain insulator with metal caps on the ends		 WHITE, Thomas C.
 Strain  
U 887,996 May 19, 1908 Combined Insulator and Lamp Hanger
Hanger for lamp		 BURGE, James M.
 Hanger  
U 947,885 February 1, 1910 Insulator
Suspension insulator and clamp support system		 CONE, William S.
 Suspension  
U 1,333,640 March 16, 1920 Electric Insulator
Suspension with bolted on metal cap (Italy)		 SEMENZA, Guido
 Suspension  
 Electrical Engineers Equipment Co.
U Specimen known 1,574,964 March 2, 1926 Insulation Equipment
Special insulator design for bus bar and equipment support (see 1,274,555 and 1,663,007)		 GETTS, Frank E.
 Insulator Electrical Engineers Equipment Co.
 Frank J. Guernsey
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
 The Johns-Pratt Co.
U 904,069 November 17, 1908 Insulator
Strain insulator to electrically disconnect the circuit. (see reissue 13,526)		 KEMPTON, Williard H.
 Strain The Johns-Pratt Co.
 Westinghouse Electric & Mfg. Co.
U 1,236,668 August 14, 1917 Insulator Clamping Device
Clamp for crown of large insulator		 BROWN, James M.
 Clamp Westinghouse Electric & Mfg. Co.
U 1,602,873 October 12, 1926 Support for Electrical Fixtures
Bus bar support for top of insulator		 ANSINGH, Herman K.
 Bus Bar Westinghouse Electric & Mfg. Co.

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