| All Patents in class 114/20.1 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 384,673 | Jun. 19, 1888 | R. Boeklen | Gas Motor | |
| 403,294 | May 14, 1889 | J.C. Beckfeld, A. Schmid | Air and Gas Engine | gas and gasoline engines |
| 553,460 | Jan. 21, 1896 | W.W. Grant | Gas or Vapor Engine | |
| 563,249 | Jul. 07, 1896 | H.C. Baker | Gas Engine | internal combustion engines |
| 580,444 | Apr. 13, 1897 | H.C. Baker | Gas Engine | internal combustion engine valves |
| 586,511 | Jul. 13, 1897 | E.J. Pennington | Igniter for Explosive Engines | ignition systems |
| 693,872 | Feb. 25, 1902 | F.M. Leavitt | Propulsion of torpedoes, &c., by compressed air | torpedoes |
| 924,787 | Jun. 15, 1909 | R. Janney | Variable Speed Transmission Device | industrial machine speed and direction changing mechanisms |
| 953,848 | Apr. 05, 1910 | F.M. Leavitt | Exploder for automobile-torpedoes | torpedoes |
| 1,044,543 | Nov. 19, 1912 | F.M. Leavitt | Stopping device for automobile torpedoes | torpedoes |
| 1,134,039 | Mar. 30, 1915 | W. Dieter | Torpedo-testing apparatus | torpedoes |
