| All Patents in class 123/405 |
Patents 16 -
23
of 23
      |
| Number | Date | Patentee | Title | Type |
| 641,156 | Jan. 09, 1900 | G.S. Shaw | Gas Engine | gas and gasoline engines |
| 740,571 | Oct. 06, 1903 | G. Joranson | Gas Engine | internal combustion engine valves |
| 796,106 | Aug. 01, 1905 | J.L. Bogert | Internal-combustion heat-engine | gas and gasoline engines |
| 816,109 | Mar. 27, 1906 | T.J. Lutz, Jr. | Explosive Engine | gas and gasoline engines |
| 835,634 | Nov. 13, 1906 | F.C. Olin | Valve for Gas and Similar Engines | |
| RE12,572 | Dec. 11, 1906 | H.G. Carnell | Gas Engine | gas and gasoline engines |
| 923,594 | Jun. 01, 1909 | C.G. Sprado | Gas Engine | internal combustion engine valves |
| 1,279,774 | Sep. 24, 1918 | C.G. Sprado | Gas Engine | internal combustion engine governors |
