| All Patents in class 123/39 |
Patents 1 -
15
of 36
      |
| Number | Date | Patentee | Title | Type |
| 3,597 | May 25, 1844 | S. Perry | Manner of Constructing an Inflammable Gas or Vapor Engine | gas and gasoline engines |
| 31,722 | Mar. 19, 1861 | J.J. Lenoir | Air Engine | hot air engines |
| 49,346 | Aug. 08, 1865 | P. Hugon | Gas Engine | gas and gasoline engines |
| 226,972 | Apr. 27, 1880 | E. Buss | Gas-Engine | gas and gasoline engines |
| 232,808 | Oct. 05, 1880 | L. Durand | Gas Engine | gas and gasoline engines |
| 247,741 | Oct. 04, 1881 | E. Bénier | Gas Engine | gas and gasoline engines |
| 260,620 | Jul. 04, 1882 | C.M. Sombart | Gas Engine | gas and gasoline engines |
| 266,304 | Oct. 24, 1882 | P. Munzinger | Gas Engine | gas and gasoline engines |
| 284,061 | Aug. 28, 1883 | G.H. Reynolds | Gas Engine | gas and gasoline engines |
| 284,555 | Sep. 04, 1883 | G.M. Hopkins | Gas Engine | gas and gasoline engines |
| 284,557 | Sep. 04, 1883 | G.M. Hopkins | Gas Engine | gas and gasoline engines |
| 300,294 | Jun. 10, 1884 | J.S. Wood | Gas Engine | gas and gasoline engines |
| 301,009 | Jun. 24, 1884 | F.W. Rachholz | Gas Engine | gas and gasoline engines |
| 305,452 | Sep. 23, 1884 | I.N. Hopkins, G.M. Hopkins | Gas Engine | gas and gasoline engines |
| 306,254 | Oct. 07, 1884 | G.M. Hopkins | Gas Engine | gas and gasoline engines |
