All Patents in class 200 |
Patents 16 -
30
of 397
|
Number | Date | Patentee | Title | Type |
350,769 | Oct. 12, 1886 | G. Smyers, G. Rogot | Petroleum and Gas Motor | gas and gasoline engines |
357,585 | Feb. 15, 1887 | D.H. Dugar | Steam Engine Governor | steam engine governors |
390,710 | Oct. 09, 1888 | H.K. Shanck | Gas Engine | gas and gasoline engines |
397,424 | Feb. 05, 1889 | H.N. Weidner, W.W. Griscom | Connection of Electrical Circuits | electrical connectors |
430,038 | Jun. 10, 1890 | S. Priestman, W.D. Priestman | Means for Facilitating the Starting and Regulating the Working of Hydrocarbon Engines | internal combustion engine governors |
439,200 | Oct. 28, 1890 | H.K. Shanck | Gas Engine | ignition systems |
453,022 | May 26, 1891 | C.H. Norton | Grinding Machine | grinders |
460,070 | Sep. 22, 1891 | J.T. Hobbs, D.D. Hobbs | Rotary Gas Engine | rotary engines |
485,620 | Nov. 08, 1892 | J.P. Fiske | Electric Motor Controller | motor controls |
519,338 | May 08, 1894 | J.F. McElroy | Electric Switch | electric switches |
520,748 | May 29, 1894 | J.S. Bancroft | Method of Operating Electric Motors | motor controls |
522,811 | Jul. 10, 1894 | J. Walrath | Explosive Gas Engine | gas and gasoline engines |
524,396 | Aug. 14, 1894 | W.B. Potter | Controller for Electric Motors | motor controls |
530,433 | Dec. 04, 1894 | F. Lane | Indicator for Steam Engines | steam engine indicators |
530,597 | Dec. 11, 1894 | A.W. Meston | Alternating-current transformer | electrical devices |