| All Patents in class 123/197.1 | 
| Patents 1 - 
					15
					of 29 
       | 
| Number | Date | Patentee | Title | Type | 
| 123,095 | Jan. 30, 1872 | J.S. Foster | Gunpowder Engine | gunpowder engines | 
| 143,292 | Sep. 30, 1873 | D.B. Caldwell, J.H. McGowan | Crank-Connection for Steam Engines | steam engine crank rods | 
| 226,972 | Apr. 27, 1880 | E. Buss | Gas-Engine | gas and gasoline engines | 
| 242,401 | May 31, 1881 | G. Wacker | Gas Engine | gas and gasoline engines | 
| 253,709 | Feb. 14, 1882 | R. Hutchinson | Gas Engine | gas and gasoline engines | 
| 278,600 | May 29, 1883 | J. Robson | Gas Engine | gas and gasoline engines | 
| 284,557 | Sep. 04, 1883 | G.M. Hopkins | Gas Engine | gas and gasoline engines | 
| 289,019 | Nov. 27, 1883 | L.H. Nash | Gas Engine | gas and gasoline engines | 
| 289,692 | Dec. 04, 1883 | L.H. Nash | Gas Engine | gas and gasoline engines | 
| 312,494 | Feb. 17, 1885 | L.H. Nash | Gas Engine | gas and gasoline engines | 
| 328,970 | Oct. 27, 1885 | J.F. Place | Gas Engine | gas and gasoline engines | 
| 347,469 | Aug. 17, 1886 | J.H. Clark | Gas Engine | gas and gasoline engines | 
| 441,582 | Nov. 25, 1890 | E. Quack | Gas Engine | gas and gasoline engines | 
| 448,386 | Mar. 17, 1891 | B.C. Vanduzen | Gas or Gasoline Engine |  | 
| 473,685 | Apr. 26, 1892 | C.W. Weiss | Gas Engine | gas and gasoline engines |