| All Patents in class 123/405 |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 194,047 | Aug. 14, 1877 | N.A. Otto | Gas-Motor engines | gas and gasoline engines |
| 273,750 | Mar. 13, 1883 | H.S. Maxim | Gas Engine | gas and gasoline engines |
| 307,057 | Oct. 21, 1884 | S. Lawson | Gas Engine | gas and gasoline engines |
| 416,649 | Dec. 03, 1889 | C. Sintz | Gas Engine | gas and gasoline engines |
| 442,963 | Dec. 16, 1890 | J.H. Eichler | Rotary Gas Engine | rotary engines |
| 445,110 | Jan. 20, 1891 | M.A. Graham | Gas Engine | gas and gasoline engines |
| 535,964 | Mar. 19, 1895 | H. Swain | Gas Engine | gas and gasoline engines |
| 542,972 | Jul. 16, 1895 | J. Bryan | Gas Engine | internal combustion engines |
| 556,086 | Mar. 10, 1896 | H.G. Carell | Gas Engine | gas and gasoline engines |
| 558,369 | Apr. 14, 1896 | J.W. Eisenhuth | Gas Engine | gas and gasoline engines |
| 603,986 | May 10, 1898 | C.E. Henriod | Explosive Engine | internal combustion engine governors |
| 613,757 | Nov. 08, 1898 | H.G. Carnell | Gas Engine | gas and gasoline engines |
| 626,120 | May 30, 1899 | A. Winton | Explosive Engine | internal combustion engine governors |
| 635,294 | Oct. 24, 1899 | J.O. Brown | Gas Engine | gas and gasoline engines |
| 639,683 | Dec. 19, 1899 | A.H. Neale | Gas Engine | gas and gasoline engines |
