| All Patents in class 123/77 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 293,179 | Feb. 05, 1884 | A. Cliff, C.W. King | Gas Engine | gas and gasoline engines |
| 326,561 | Sep. 22, 1885 | L.N. Hopkins, G.M. Hopkins | Gas Engine | gas and gasoline engines |
| 367,184 | Jul. 26, 1887 | H. Campbell | Gas Engine | gas and gasoline engines |
| 381,488 | Apr. 17, 1888 | G.W. Stewart | Gas Engine | gas and gasoline engines |
| 400,458 | Apr. 02, 1889 | A. Histon | Gas Engine | gas and gasoline engines |
| 419,806 | Jan. 21, 1890 | C.W. Weiss | Gas Engine | gas and gasoline engines |
| 537,253 | Apr. 09, 1895 | G. Van Zandt | Gas Engine | internal combustion engines |
| 607,878 | Jul. 26, 1898 | C. Quast | Gas Engine | gas and gasoline engines |
| 627,857 | Jun. 27, 1899 | H.A. Knox | Gas Engine | gas and gasoline engines |
| 628,122 | Jul. 04, 1899 | W.S. Sharpneck | Gas Engine | gas and gasoline engines |
| 628,123 | Jul. 04, 1899 | W.S. Sharpneck | Gas Engine | gas and gasoline engines |
| 628,125 | Jul. 04, 1899 | W.S. Sharpneck | Gas Engine | gas and gasoline engines |
| 2,444,103 | Jun. 29, 1948 | J.G. Kuhn | Sleeve Valve Internal-Combustion Engine | internal combustion engine valves |
