| All Patents in class 123/294 |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
| | 140,021 | Jun. 17, 1873 | R. Anders, L.C. Errani | Dynamic Machines |
| | 170,813 | Dec. 07, 1875 | F. Bürger | Coal-Oil Motor |
| | 347,469 | Aug. 17, 1886 | J.H. Clark | Gas Engine |
| | 376,212 | Jan. 10, 1888 | H.K. Shanck | Gas Engine |
| | 536,090 | Mar. 19, 1895 | J. Kosakoff, V. List | Petroleum or Oil Engine |
 | 542,846 | Jul. 16, 1895 | R. Diesel | Method and Apparatus for Converting Heat to Work |
| | 553,488 | Jan. 21, 1896 | W.W. Grant | Gas Engine |
| | 570,649 | Nov. 03, 1896 | R.J. Rolfson | Gas Engine |
| | 571,239 | Nov. 10, 1896 | C.W. Pinkney | Internal Combustion Engine |
| | 637,450 | Nov. 21, 1899 | J.B. Doolittle | Gasolene Engine |
