| All Patents in class 123/41.37 |
Patents 1 -
10
of 18
      |
| Picture | Number | Date | Patentee | Title |
| | 12,715 | Apr. 17, 1855 | A. Drake | Explosive Gas Engine |
| | 76,268 | Mar. 31, 1868 | W. Swayne | Piston |
| | 168,623 | Oct. 11, 1875 | G.W. Daimler | Air and Gas Engine |
 | 190,411 | May 08, 1877 | G.B. Brayton | Piston for Air and Gas Engines |
| | 276,751 | May 01, 1883 | C.W. Baldwin | Gas Engine |
 | 278,255 | May 22, 1883 | L.H. Nash | Gas Engine |
| | 332,312 | Dec. 15, 1885 | S. Wilcox | Air and Gas Engine |
| | 343,744 | Jun. 15, 1886 | S. Wilcox | Gas Engine |
| | 552,718 | Jan. 07, 1896 | S. Priestman, W.D. Priestman | Hydrocarbon Engine |
| | 601,012 | Mar. 22, 1898 | F.E. Culver | Gas Engine |
