| All Patents in class 123/41.31 |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
| | 280,083 | Jun. 26, 1883 | C. Rohn | Gas Engine |
 | 399,348 | Mar. 12, 1889 | G.M. Richards | Hydrocarbon Engine |
| | 421,474 | Feb. 18, 1890 | A. Schmid, J.C. Beckfeld | Gas Engine |
| | 437,776 | Oct. 07, 1890 | E.H. Gaze | Gas Engine |
| | 501,881 | Jul. 18, 1893 | C. Gaume, Administratrix, C.J. Gaume, deceased (Estate of) | Gas Engine |
| | 557,493 | Mar. 31, 1896 | W.L. Corson, J.F. Daly | Gas Engine |
| | 654,761 | Jul. 31, 1900 | G. Palm | Combined Steam and Explosive Engine |
| | 666,368 | Jan. 22, 1901 | H.F. Wallman | Internal Combustion Engine |
 | 900,083 | Oct. 06, 1908 | C.A. Clark | Gas Engine |
| | 1,134,794 | Apr. 06, 1915 | A. Winton | Gas Engine |
