| All Patents in class 123/434 |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| 300,661 | Jun. 17, 1884 | H.C. Swan, N.H. Thompson | Gas Motor Engine | gas and gasoline engines |
| 306,924 | Oct. 21, 1884 | I.N. Hopkins | Gas Engine | gas and gasoline engines |
| 417,924 | Dec. 24, 1889 | E. Korting | Method of Automatic Ignition in Gas Engines | ignition systems |
| 460,070 | Sep. 22, 1891 | J.T. Hobbs, D.D. Hobbs | Rotary Gas Engine | rotary engines |
| 509,830 | Nov. 28, 1893 | W. Seck | Hydrocarbon Motor | |
| 537,370 | Apr. 09, 1895 | C.V. Walls | Gas Engine | internal combustion engines |
| 539,710 | May 21, 1895 | C. Sintz | Gas Engine | internal combustion engines |
| 598,832 | Feb. 08, 1898 | A. Winton | Explosive Engine | gas and gasoline engines |
| 599,235 | Feb. 15, 1898 | P.L. Hider | Explosive Engine | gas and gasoline engines |
| 599,375 | Feb. 22, 1898 | W.E. White | Gas Engine | gas and gasoline engines |
| 603,125 | Apr. 26, 1898 | C.W. McKibben, J. Carnes | Gas Engine | gas and gasoline engines |
| 608,968 | Aug. 09, 1898 | W. Morava | Gas or Oil Motor for Bycycles | gas and gasoline engines |
| 623,568 | Apr. 25, 1899 | J.A. Secor | Explosive Engine | fuel systems |
| 644,566 | Mar. 06, 1900 | B.M. Aslakson | Internal Combustion Engine | oil engines |
| 713,792 | Nov. 18, 1902 | J.A. Ostenberg | Explosive Engine | |
