| All Patents in class 123/41.44 |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 14,160 | Jan. 29, 1856 | H. Knowles | Mortising tool | mortising machines |
| 276,751 | May 01, 1883 | C.W. Baldwin | Gas Engine | gas and gasoline engines |
| 278,255 | May 22, 1883 | L.H. Nash | Gas Engine | gas and gasoline engines |
| 325,379 | Sep. 01, 1885 | C.W. Baldwin | Gas Engine | gas and gasoline engines |
| 433,806 | Aug. 05, 1890 | N.A. Otto | Motor Engine Worked by Oil Vapor | oil engines |
| 510,140 | Dec. 05, 1893 | G.E. Hoyt | Gas Engine | starters |
| 557,493 | Mar. 31, 1896 | W.L. Corson, J.F. Daly | Gas Engine | gas and gasoline engines |
| 570,649 | Nov. 03, 1896 | R.J. Rolfson | Gas Engine | gas and gasoline engines |
| 585,434 | Jun. 29, 1897 | W.E. Gibbon | Explosive Engine | internal combustion engines |
| 589,150 | Aug. 31, 1897 | J.C. Wilson | Gas Engine | gas and gasoline engines |
| 607,536 | Jul. 19, 1898 | M.F. Bates | Gas Engine | gas and gasoline engines |
| 617,372 | Jan. 10, 1899 | E.E. Truscott | Explosive Engine | gas and gasoline engines |
| 1,260,847 | Mar. 26, 1918 | A. Winton | Explosive Engine | valve gear |
| 1,791,572 | Feb. 10, 1931 | I. Ornberg | Cooling System for Internal Combustion Engines | engine thermostats |
