| 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 = '137') ORDER BY date ASC, patent, type |
Total of 6 patents found where: Class is '137';
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1872 | ||||||
U  |
123,878 | February 20, 1872 | Improvement in Telegraph Insulators CD 141.9, four projections to reduce surface contact |
EMMINGER, David R. P. |
Insulator | |
| 1874 | ||||||
| U | 154,638 | September 1, 1874 | Improvement in Casting Stench Traps Method of casting lead S-traps |
BROOKE, Homer |
Misc | |
| 1897 | ||||||
| U | 588,318 | August 17, 1897 | Apparatus for Manufacturing Articles of Glass Method of keeping glass molten and delivering it to the press |
BROOKE, Homer |
Manufacturer | 3/8 to John C. Grout |
| 1919 | ||||||
| U | 1,307,878 | June 24, 1919 | Reservoir For Oil Stoves Kerosene jar |
PERLICK, Robert |
HU | |
| 1920 | ||||||
| U | 1,343,343 | June 15, 1920 | Fuel Reservoir Kerosene jar |
BRENNEN, John S. |
HU | |
| 1958 | ||||||
| U | 2,821,158 | January 28, 1958 | Machine for Coating Bell-Shaped Electrical Suspension Insulators Machine for automatically glazing suspension insulators and applying a sanded band for cementing the metal cap. |
BROWN, Leonard MIGLIORINI, Vincent T. LENZ, Carl SMITLEY, Wayne C. |
Manufacturing | General Electric Co. |
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