| All Patents in class 123/55.5 |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
| | 403,379 | May 14, 1889 | J.A. Wharry, N. Rogers | Gas Engine |
| | 434,561 | Aug. 19, 1890 | D.D. Hardy | Steam Engine |
| | 510,712 | Dec. 12, 1893 | H. Schumm | Gas or Oil Motor Engine |
| | 561,774 | Jun. 09, 1896 | G.R. Swaine, G.F. Eggerdinger | Gas Engine |
| | 605,815 | Jun. 14, 1898 | J.F. Duryea | Gas Engine |
| | 607,580 | Jul. 19, 1898 | L.J. Wing | Gas Engine |
| | 651,742 | Jun. 12, 1900 | J.C. Anderson | Method of Moving Pistons of Explosive-Engines |
| | 663,091 | Dec. 04, 1900 | A.D. Garretson | Gas Engine |
 | 848,635 | Apr. 02, 1907 | G.S. Comstock | Transmission mechanism |
 | 908,605 | Jan. 05, 1909 | F.C. Olin | Crank and Yoke Connection |
