| All Patents in class 123/42 |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
| | 106,078 | Aug. 02, 1870 | J. Robertson | Direct Acting Engine |
| | 106,860 | Aug. 30, 1870 | A. Nittinger, Jr. | Oscillating Steam-Engine |
| | 236,258 | Jan. 04, 1881 | J. Ravel | Oscillating Gas Motor |
| | 324,244 | Aug. 11, 1885 | H.P. Feister | Gas Engine for Railway Cars |
| | 347,603 | Aug. 17, 1886 | J. Dewhurst, J. Hodgkinson | Gas Engine |
| | 591,952 | Oct. 19, 1897 | J.C. Hilton, C.I. Cummings | Explosive Engine |
| | 620,431 | Feb. 28, 1899 | J.W. Eisenhuth | Explosive-Engine for Vehicles |
| | 627,857 | Jun. 27, 1899 | H.A. Knox | Gas Engine |
| | 628,124 | Jul. 04, 1899 | W.S. Sharpneck | Gas Engine |
| | 644,598 | Mar. 06, 1900 | C.O. Heggem | Motor Vehicle |
