| All Patents in class 123/42 | 
| Patents 1 - 
					14
					of 14 
       | 
| Number | Date | Patentee | Title | Type | 
| 106,078 | Aug. 02, 1870 | J. Robertson | Direct Acting Engine | gas and gasoline engines | 
| 106,860 | Aug. 30, 1870 | A. Nittinger, Jr. | Oscillating Steam-Engine | oscillating steam engines | 
| 236,258 | Jan. 04, 1881 | J. Ravel | Oscillating Gas Motor | gas and gasoline engines | 
| 324,244 | Aug. 11, 1885 | H.P. Feister | Gas Engine for Railway Cars | gas and gasoline engines | 
| 347,603 | Aug. 17, 1886 | J. Dewhurst, J. Hodgkinson | Gas Engine | gas and gasoline engines | 
| 591,952 | Oct. 19, 1897 | J.C. Hilton, C.I. Cummings | Explosive Engine | gas and gasoline engines | 
| 620,431 | Feb. 28, 1899 | J.W. Eisenhuth | Explosive-Engine for Vehicles | gas and gasoline engines | 
| 627,857 | Jun. 27, 1899 | H.A. Knox | Gas Engine | gas and gasoline engines | 
| 628,124 | Jul. 04, 1899 | W.S. Sharpneck | Gas Engine | gas and gasoline engines | 
| 644,598 | Mar. 06, 1900 | C.O. Heggem | Motor Vehicle | automobiles | 
| 657,810 | Sep. 11, 1900 | W.E. Cary | Gas Engine | gas and gasoline engines | 
| 666,838 | Jan. 29, 1901 | H.L. Arnold | Explosive-Engine | internal combustion engines | 
| 1,019,856 | Mar. 12, 1912 | J.L. Strickland | Rotary internal-combustion engine | internal combustion engines | 
| 1,286,122 | Nov. 26, 1918 | C.E. Sargent | Motor for Railroad Vehicles | internal combustion engines |