| All Patents in class 123/363 |
Patents 31 -
45
of 46
      |
| Number | Date | Patentee | Title | Type |
| 615,049 | Nov. 29, 1898 | M.H. Rumpf | Internal Combustion Engine | gas and gasoline engines |
| 617,388 | Jan. 10, 1899 | W.F. Bauroth, E. Bauroth | Gas Engine | gas and gasoline engines |
| 621,110 | Mar. 14, 1899 | G.W. Lewis | Gas or Vapor Engine | gas and gasoline engines |
| 626,275 | Jun. 06, 1899 | J. Froelich | Speed Regulator for Explosive Engines | internal combustion engine governors |
| 634,529 | Oct. 10, 1899 | A. Lee | Gas Engine | gas and gasoline engines |
| 640,393 | Jan. 02, 1900 | G.W. Lewis | Gas Engine | gas and gasoline engines |
| 641,659 | Jan. 16, 1900 | G.A. Tuerk | Explosive Engine | gas and gasoline engines |
| 644,951 | Mar. 06, 1900 | J.P. Lea, J.E. Thornton | Internal Combustion Engine | oil engines |
| 659,944 | Oct. 16, 1900 | H.D. Weed | Gas Engine | gas and gasoline engines |
| 660,482 | Oct. 23, 1900 | F.G. Bates | Rotary Explosive-Engine | rotary engines |
| 726,731 | Apr. 28, 1903 | W.J. McVicker | Gas Engine | |
| 1,283,781 | Nov. 05, 1918 | R.M. Hvid | Governor Control | internal combustion engine governors |
| 1,346,204 | Jul. 13, 1920 | R.M. Hvid | Valve for Hydrocarbon Engine | valves |
| 1,437,738 | Dec. 05, 1922 | C.E. Sargent | Engine | oil engines |
| 2,818,147 | Dec. 31, 1957 | A.W. Mall, W. Ziegler, C.A. Mattson | Engine governor and clutch | industrial machine clutches |
