| All Patents in class 261/50.2 |
Patents 1 -
10
of 25
      |
| Picture | Number | Date | Patentee | Title |
 | 401,452 | Apr. 16, 1889 | L.H. Nash | Fuel Mixing Device for Gas Engines |
 | 423,214 | Mar. 11, 1890 | E. Butler | Hydrocarbon Motor |
| | 433,807 | Aug. 05, 1890 | N.A. Otto | Motor Engine Worked by Oil Vapor |
| | 523,511 | Jul. 24, 1894 | H. Campbell | Oil Engine |
| | 534,354 | Feb. 19, 1895 | G.J. Weber | Gas Engine |
| | 616,974 | Jan. 03, 1899 | C.C. Riotte | Gas Engine |
| | 654,894 | Jul. 31, 1900 | S.A. Hasbrouck | Regulator for Gasolene or Other Like Engines |
| | 671,743 | Apr. 09, 1901 | C.O. White | Mixing and Vaporizing Device for Explosive Engines |
| | 863,516 | Aug. 13, 1907 | W.E. Downing | Carbureter |
| | 1,145,854 | Jul. 06, 1915 | F.V. Hart, E.E. Winkley | Carbureter for Hydrocarbon Motors |
