| All Patents in class 123/143R |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
| | 222,569 | Dec. 16, 1879 | F. Bürger | Gas-Engine |
 | 291,102 | Jan. 01, 1884 | J. Spiel | Gas Motor |
| | 292,894 | Feb. 05, 1884 | J. Charter | Gas Engine |
 | 302,045 | Jul. 15, 1884 | J. Spiel | Gas Engine |
| | 313,922 | Mar. 17, 1885 | G. Daimler | Gas Engine |
| | 364,205 | Jun. 07, 1887 | T. Backeljau | Automatic Gas Motor |
| | 418,821 | Jan. 07, 1890 | J.D. Smith | Gas Engine |
 | 432,114 | Jul. 15, 1890 | G.B. Brayton | Gas and Air Engine |
 | 432,260 | Jul. 15, 1890 | G.B. Brayton | Hydrocarbon Engine |
| | 571,534 | Nov. 17, 1896 | G.W. Lewis | Gas Engine |
