| All Patents in class 123/41.79 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 343,744 | Jun. 15, 1886 | S. Wilcox | Gas Engine | gas and gasoline engines |
| 386,949 | Jul. 31, 1888 | H. Williams | Gas Motor Engine | gas and gasoline engines |
| 390,710 | Oct. 09, 1888 | H.K. Shanck | Gas Engine | gas and gasoline engines |
| 403,379 | May 14, 1889 | J.A. Wharry, N. Rogers | Gas Engine | gas and gasoline engines |
| 580,387 | Apr. 13, 1897 | J.F. Steward, G.H. Ellis | Explosive Engine | oil engines |
| 709,060 | Sep. 16, 1902 | H.C. Sträng | Four Cycle Explosive Engine | |
| 3,534,715 | Oct. 20, 1970 | A.K. Antonsen | Opposed Piston Engine Having Improved Cylinder Liner Cooling | opposed piston engines |
