| All Patents in class 123/41.72 |
Patents 1 -
15
of 39
      |
| Number | Date | Patentee | Title | Type |
| 4,800 | Oct. 07, 1846 | S. Perry | Gas Engine | gas and gasoline engines |
| 153,245 | Jul. 21, 1874 | G.W. Daimler | Gas Motor Engines | gas and gasoline engines |
| 155,087 | Sep. 15, 1874 | J. Hirsch | Hot Air Engines | hot air engines |
| 168,623 | Oct. 11, 1875 | G.W. Daimler | Air and Gas Engine | gas and gasoline engines |
| 247,741 | Oct. 04, 1881 | E. Bénier | Gas Engine | gas and gasoline engines |
| 302,045 | Jul. 15, 1884 | J. Spiel | Gas Engine | gas and gasoline engines |
| 343,744 | Jun. 15, 1886 | S. Wilcox | Gas Engine | gas and gasoline engines |
| 347,469 | Aug. 17, 1886 | J.H. Clark | Gas Engine | gas and gasoline engines |
| 351,393 | Oct. 26, 1886 | P. Murray, Jr. | Gas Engine | gas and gasoline engines |
| 351,394 | Oct. 26, 1886 | P. Murray, Jr. | Gas Engine | gas and gasoline engines |
| 386,210 | Jul. 17, 1888 | L.H. Nash | Gas Engine | gas and gasoline engines |
| 399,348 | Mar. 12, 1889 | G.M. Richards | Hydrocarbon Engine | internal combustion engines |
| 448,597 | Mar. 17, 1891 | B.C. Vanduzen | Gas Engine | gas and gasoline engines |
| 499,935 | Jun. 20, 1893 | C.W. Pinkney | Gas Engine | ignition systems |
| 514,271 | Feb. 06, 1894 | H. Pokony | Gas Engine | internal combustion engines |
