| 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 date ASC, patent, type |
Total of 9 patents found where: Class is '174'; Subclass is '190';
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 |
| 1906 | ||||||
U  |
822,642 | June 5, 1906 | Wood Strain Insulator Wood strain insulator with metal caps on the ends |
WHITE, Thomas C. |
Strain | |
| 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 |
| 1908 | ||||||
| U | 887,996 | May 19, 1908 | Combined Insulator and Lamp Hanger Hanger for lamp |
BURGE, James M. |
Hanger | |
| 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. |
| 1910 | ||||||
| U | 947,885 | February 1, 1910 | Insulator Suspension insulator and clamp support system |
CONE, William S. |
Suspension | |
| 1917 | ||||||
| U | 1,236,668 | August 14, 1917 | Insulator Clamping Device Clamp for crown of large insulator |
BROWN, James M. |
Clamp | Westinghouse Electric & Mfg. Co. |
| 1920 | ||||||
| U | 1,333,640 | March 16, 1920 | Electric Insulator Suspension with bolted on metal cap (Italy) |
SEMENZA, Guido |
Suspension | |
| 1926 | ||||||
| U |
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. |
| 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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