| All Patents in class 123/274 |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
| | 196,473 | Oct. 23, 1877 | W.J. Crossley, F.W. Crossley, N.A. Otto | Gas Motor Engine |
 | 328,970 | Oct. 27, 1885 | J.F. Place | Gas Engine |
| | 347,469 | Aug. 17, 1886 | J.H. Clark | Gas Engine |
| | 418,821 | Jan. 07, 1890 | J.D. Smith | Gas Engine |
| | 435,439 | Sep. 02, 1890 | C.V. Lüde | Petroleum or Similar Motor |
| | 508,042 | Nov. 07, 1893 | A. Niemczÿk | Gas Motor |
| | 548,824 | Oct. 29, 1895 | H.F. Wallmann | Petroleum or Gas Motor |
| | 568,017 | Sep. 22, 1896 | H.C. Cundall, W.D. Cundall, R.D. Cundall, J.S. Cundall | Oil and Gas Motor Engine |
| | 571,239 | Nov. 10, 1896 | C.W. Pinkney | Internal Combustion Engine |
 | 583,627 | Jun. 01, 1897 | L.H. Nash | Gas Engine |
