| All Patents in class 123/527 | 
| Patents 1 - 
					14
					of 14 
       | 
| Number | Date | Patentee | Title | Type | 
| 290,310 | Dec. 18, 1883 | C.W. Baldwin | Gas Engine | gas and gasoline engines | 
| 305,464 | Sep. 23, 1884 | P. Murray, Jr. | Gas Engine | gas and gasoline engines | 
| 351,393 | Oct. 26, 1886 | P. Murray, Jr. | Gas Engine | gas and gasoline engines | 
| 390,710 | Oct. 09, 1888 | H.K. Shanck | Gas Engine | gas and gasoline engines | 
| 517,077 | Mar. 27, 1894 | R. Thayer | Gas Engine | internal combustion engines | 
| 532,099 | Jan. 08, 1895 | J. Robison | Gas or Vapor and Mixing and Spraying Device | carburetors | 
| 566,263 | Aug. 18, 1896 | B. Wolf | Gas or Petroleum Engine or Motor | internal combustion engines | 
| 606,386 | Jun. 28, 1898 | T.H. Hicks | Gas Engine | gas and gasoline engines | 
| 606,504 | Jun. 28, 1898 | S. Bouton | Explosive Engine | gas and gasoline engines | 
| 664,025 | Dec. 18, 1900 | L.H. Nash | Gas Engine | gas and gasoline engines | 
| 1,961,461 | Jun. 05, 1934 | C.G. Sprado | Gas Engine Valve Gear | internal combustion engine valves | 
| 2,852,013 | Sep. 16, 1958 | J.H. Davids | Fuel Supply Regulator for Gas Engines | fuel systems | 
| 2,927,569 | Mar. 08, 1960 | L.J. Grauel | Engine Air Supply Control | air supply apparatus | 
| 2,987,055 | Jun. 06, 1961 | C.E. Nilson, L.J. Grauel | Combustion Air Supply Control for Internal Combustion Engines | air supply apparatus |