| All Patents in class 123/53.1 | 
| Patents 1 - 
					11
					of 11 
       | 
| Number | Date | Patentee | Title | Type | 
| 286,030 | Oct. 02, 1883 | S. Marcus | Gas Engine | gas and gasoline engines | 
| 326,561 | Sep. 22, 1885 | L.N. Hopkins, G.M. Hopkins | Gas Engine | gas and gasoline engines | 
| 334,039 | Jan. 12, 1886 | L.H. Nash | Gas Engine | gas and gasoline engines | 
| 334,040 | Jan. 12, 1886 | L.H. Nash | Method of Feeding and Operating Gas Engines | gas and gasoline engines | 
| 334,041 | Jan. 12, 1886 | L.H. Nash | Method of Operating Explosive Vapor Engines | gas and gasoline engines | 
| 418,418 | Dec. 31, 1889 | L.H. Nash | Method of Operating Gas Engines | gas and gasoline engines | 
| 441,582 | Nov. 25, 1890 | E. Quack | Gas Engine | gas and gasoline engines | 
| 533,290 | Jan. 29, 1895 | J.D. Gray | Direct-acting steam-engine | steam engines | 
| 579,554 | Mar. 23, 1897 | E.W. Blum | Gas Motor | internal combustion engines | 
| 597,921 | Jan. 25, 1898 | E.D. Strong | Explosive Engine | oil engines | 
| 680,985 | Aug. 20, 1901 | W.S. Sharpneck | Multiple Piston Explosive Engine | internal combustion engines |