| All Patents in class 123/90.61 |
Patents 16 -
25
of 25
      |
| Number | Date | Patentee | Title | Type |
| 632,888 | Sep. 12, 1899 | S.A. Ayres | Gas Engine | internal combustion engine governors |
| 653,971 | Jul. 17, 1900 | F.J. Sproehnle | Gasolene Engine | gas and gasoline engines |
| 658,367 | Sep. 25, 1900 | E. Apperson, E. Haynes | Explosive Engine | gas and gasoline engines |
| 740,571 | Oct. 06, 1903 | G. Joranson | Gas Engine | internal combustion engine valves |
| 816,047 | Mar. 27, 1906 | S. Byron, C.M. Smith | Valve Mechanism for Gas Engines | valves |
| 887,502 | May 12, 1908 | W.J. McVicker | Internal Combustion Engine | internal combustion engine valves |
| 927,582 | Jul. 13, 1909 | W.J. McVicker | Mechanism for Controlling the Operation of Internal Combustion Engines | internal combustion engine governors |
| 1,231,572 | Jul. 03, 1917 | F.M. Davis | Valve mechanism | internal combustion engine valves |
| 1,395,658 | Nov. 01, 1921 | J. Scholtz | Gas Engine | valves |
| 2,631,576 | Mar. 17, 1953 | C.H. Schowalter | Valve Operating Mechanism | internal combustion engine valves |
