| All Patents in class 123/41.31 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 280,083 | Jun. 26, 1883 | C. Rohn | Gas Engine | gas and gasoline engines |
| 399,348 | Mar. 12, 1889 | G.M. Richards | Hydrocarbon Engine | internal combustion engines |
| 421,474 | Feb. 18, 1890 | A. Schmid, J.C. Beckfeld | Gas Engine | gas and gasoline engines |
| 437,776 | Oct. 07, 1890 | E.H. Gaze | Gas Engine | gas and gasoline engines |
| 501,881 | Jul. 18, 1893 | C. Gaume, Administratrix, C.J. Gaume, deceased (Estate of) | Gas Engine | gas and gasoline engines |
| 557,493 | Mar. 31, 1896 | W.L. Corson, J.F. Daly | Gas Engine | gas and gasoline engines |
| 654,761 | Jul. 31, 1900 | G. Palm | Combined Steam and Explosive Engine | steam engines |
| 666,368 | Jan. 22, 1901 | H.F. Wallman | Internal Combustion Engine | internal combustion engines |
| 900,083 | Oct. 06, 1908 | C.A. Clark | Gas Engine | internal combustion engines |
| 1,134,794 | Apr. 06, 1915 | A. Winton | Gas Engine | gas and gasoline engines |
| 1,260,847 | Mar. 26, 1918 | A. Winton | Explosive Engine | valve gear |
| 1,339,839 | May 11, 1920 | A. Winton | Cam Shaft Structure and Oiling Mechanism for Internal Combustion Motors | internal combustion engine lubrication |
| 1,503,640 | Aug. 05, 1924 | H.L. Allen, C.E. Curtiss | Internal Combustion Engine | |
| 1,577,371 | Mar. 16, 1926 | J.A. Secor | Exhaust Nozzle and Assembly | exhaust mechanisms |
| 2,167,748 | Aug. 01, 1939 | S.C. Gebert | Variable Speed Gear Transmission | industrial machine gearing |
