| All Patents in class 123/61R |
Patents 1 -
15
of 20
      |
| 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 |
| 4,800 | Oct. 07, 1846 | S. Perry | Gas Engine | gas and gasoline engines |
| 12,715 | Apr. 17, 1855 | A. Drake | Explosive Gas Engine | gas and gasoline engines |
| 272,130 | Feb. 13, 1883 | C.C. Lallement, E. Etève | Gas Engine | gas and gasoline engines |
| 280,083 | Jun. 26, 1883 | C. Rohn | Gas Engine | gas and gasoline engines |
| 332,315 | Dec. 15, 1885 | S. Wilcox | Gas Engine | gas and gasoline engines |
| 402,549 | Apr. 30, 1889 | S. Wilcox | Gas or Oil Engine | gas and gasoline engines |
| 437,776 | Oct. 07, 1890 | E.H. Gaze | Gas Engine | gas and gasoline engines |
| 519,863 | May 15, 1894 | D.C. Luce | Gas Engine | internal combustion engines |
| 559,017 | Apr. 28, 1896 | J.M. Worth | Gas Engine | gas and gasoline engines |
| 607,613 | Jul. 19, 1898 | W.O. Worth | Hydrocarbon Gas Engine | gas and gasoline engines |
| 610,004 | Aug. 30, 1898 | A.H. Dingman | Gas Engine | gas and gasoline engines |
| 619,776 | Feb. 21, 1899 | P. Murray | Gas Engine | gas and gasoline engines |
| 640,672 | Jan. 02, 1900 | G.W. Lewis | Gas Engine | gas and gasoline engines |
| 652,539 | Jun. 26, 1900 | W.W. Gerber | Gas Engine | |