| All Patents in class 123/87 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 335,462 | Feb. 02, 1886 | J.J. Lenior | Gas Engine | gas and gasoline engines |
| 400,850 | Apr. 02, 1889 | J.J. Humes | Hydrocarbureted Air Engine | |
| 408,137 | Jul. 30, 1889 | J.J. Purnell | Gas Motor Engine | |
| 521,443 | Jun. 12, 1894 | S.D. Shepperd | Gas Engine | internal combustion engines |
| 523,511 | Jul. 24, 1894 | H. Campbell | Oil Engine | oil engines |
| 545,995 | Sep. 10, 1895 | A.R. Middleton, C. White | Gas Engine | gas and gasoline engines |
| 574,311 | Dec. 29, 1896 | J.W. Eisenhuth | Expansion Gas Engine | gas and gasoline engines |
| 574,670 | Jan. 05, 1897 | W.L. Crouch | Gas Engine | gas and gasoline engines |
| 575,502 | Jan. 19, 1897 | W.L. Crouch | Gas Engine | gas and gasoline engines |
| 593,859 | Nov. 16, 1897 | A. Rosenberg | Gas Engine | gas and gasoline engines |
| 622,469 | Apr. 04, 1899 | F.C. Hirsch | Oil Engine | oil engines |
| 626,252 | Jun. 06, 1899 | L. Monté, H.P. Thompson | Means for Starting and Regulating Oil or Gas Engines | oil engines |
| 640,394 | Jan. 02, 1900 | G.W. Lewis | Gas Engine | gas and gasoline engines |
| 646,282 | Mar. 27, 1900 | E.T. Headech | Hydrocarbon Motor | oil engines |
| 806,125 | Dec. 05, 1905 | F.O. Farwell | Rotary Explosive Engine | rotary engines |
