| All Patents in class 123/70R |
Patents 1 -
15
of 35
      |
| Number | Date | Patentee | Title | Type |
| 3,597 | May 25, 1844 | S. Perry | Manner of Constructing an Inflammable Gas or Vapor Engine | gas and gasoline engines |
| 32,455 | May 28, 1861 | P. Shaw | Hot Air Engine | hot air engines |
| 133,649 | Dec. 03, 1872 | C.P. Leavitt | Hot Air Engines | hot air engines |
| 241,707 | May 17, 1881 | N.A. Otto | Gas Motor Engine | gas and gasoline engines |
| 245,218 | Aug. 02, 1881 | A.K. Rider | Gas Engine | gas and gasoline engines |
| 269,163 | Dec. 12, 1882 | K. Teichmann | Gas Engine | gas and gasoline engines |
| 276,747 | May 01, 1883 | C.W. Baldwin | Gas Engine | gas and gasoline engines |
| 280,083 | Jun. 26, 1883 | C. Rohn | Gas Engine | gas and gasoline engines |
| 300,661 | Jun. 17, 1884 | H.C. Swan, N.H. Thompson | Gas Motor Engine | gas and gasoline engines |
| 314,727 | Mar. 31, 1885 | A.W. Schleicher | Combined Gas Engine and Pump | gas and gasoline engines |
| 334,039 | Jan. 12, 1886 | L.H. Nash | Gas Engine | gas and gasoline engines |
| 334,041 | Jan. 12, 1886 | L.H. Nash | Method of Operating Explosive Vapor Engines | gas and gasoline engines |
| 346,374 | Jul. 27, 1886 | E. Körting | Regulator for Gas Engines | internal combustion engine governors |
| 347,469 | Aug. 17, 1886 | J.H. Clark | Gas Engine | gas and gasoline engines |
| 351,394 | Oct. 26, 1886 | P. Murray, Jr. | Gas Engine | gas and gasoline engines |
