| All Patents in class 123/90.6 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 259,736 | Jun. 20, 1882 | H. Wiedling | Gas Engine | gas and gasoline engines |
| 311,214 | Jan. 27, 1885 | G.M. Ward | Gas Motor | gas and gasoline engines |
| 313,923 | Mar. 17, 1885 | G. Daimler | Gas Engine | gas and gasoline engines |
| 316,868 | Apr. 28, 1885 | C. Benz | Gas Engine | gas and gasoline engines |
| 334,109 | Jan. 12, 1886 | G. Daimler | Motor Engine Worked by Combustible Gases or Petroleum | gas and gasoline engines |
| 349,983 | Sep. 28, 1886 | G. Daimler | Motor Engine | |
| 418,112 | Dec. 24, 1889 | G. Daimler | Gas or Petroleum Motor | |
| 426,297 | Apr. 22, 1890 | J. Mohs | Gas Engine | internal combustion engine valves |
| 430,312 | Jun. 17, 1890 | J.W. Eisenhuth | Single Acting Explosive Engine | |
| 430,504 | Jun. 17, 1890 | J.F. Daly, M.M. Barrett | Gasolene Engine | gas and gasoline engines |
| 563,535 | Jul. 07, 1896 | P.A. Winand | Gas or Oil Engine | oil engines |
| 622,876 | Apr. 11, 1899 | R.G. Anderson, E.E. Allyne | Gas Engine | gas and gasoline engines |
| 632,763 | Sep. 12, 1899 | H. Smith | Explosive Gas Engine | gas and gasoline engines |
| 1,072,366 | Sep. 02, 1913 | C.E. Sargent | Gas Engine | gas and gasoline engines |
| 1,395,658 | Nov. 01, 1921 | J. Scholtz | Gas Engine | valves |
