| All Patents in class 123/294 | 
| Patents 1 - 
					14
					of 14 
       | 
| Number | Date | Patentee | Title | Type | 
| 140,021 | Jun. 17, 1873 | R. Anders, L.C. Errani | Dynamic Machines | gas and gasoline engines | 
| 170,813 | Dec. 07, 1875 | F. Bürger | Coal-Oil Motor | coal oil engines | 
| 347,469 | Aug. 17, 1886 | J.H. Clark | Gas Engine | gas and gasoline engines | 
| 376,212 | Jan. 10, 1888 | H.K. Shanck | Gas Engine | gas and gasoline engines | 
| 536,090 | Mar. 19, 1895 | J. Kosakoff, V. List | Petroleum or Oil Engine | oil engines | 
| 542,846 | Jul. 16, 1895 | R. Diesel | Method and Apparatus for Converting Heat to Work | diesel engines | 
| 553,488 | Jan. 21, 1896 | W.W. Grant | Gas Engine | gas and gasoline engines | 
| 570,649 | Nov. 03, 1896 | R.J. Rolfson | Gas Engine | gas and gasoline engines | 
| 571,239 | Nov. 10, 1896 | C.W. Pinkney | Internal Combustion Engine | oil engines | 
| 637,450 | Nov. 21, 1899 | J.B. Doolittle | Gasolene Engine | gas and gasoline engines | 
| 650,583 | May 29, 1900 | A.H. Goldingham | Explosive Engine | oil engines | 
| 661,599 | Nov. 13, 1900 | J. Day | Oil Engine | oil engines | 
| 784,818 | Mar. 14, 1905 | C.W. Weiss | Internal Combustion Engine | oil engines | 
| 922,383 | May 18, 1909 | J. Brons | Hydrocarbon Engine | oil engines |