| All Patents in class 123/61V |
Patents 16 -
30
of 30
      |
| Number | Date | Patentee | Title | Type |
| 355,101 | Dec. 28, 1886 | N.B. Randall | Gas Engine | gas and gasoline engines |
| 367,184 | Jul. 26, 1887 | H. Campbell | Gas Engine | gas and gasoline engines |
| 408,483 | Aug. 06, 1889 | H. Hoelljes | Method of Operating Gas Engines | gas and gasoline engines |
| 433,551 | Aug. 05, 1890 | E.A. Sperry | Gas Engine | gas and gasoline engines |
| 501,881 | Jul. 18, 1893 | C. Gaume, Administratrix, C.J. Gaume, deceased (Estate of) | Gas Engine | gas and gasoline engines |
| 526,348 | Sep. 18, 1894 | H.F. Fraser | Explosive Engine | |
| 558,943 | Apr. 28, 1896 | L.S. Gardner | Vapor Motor | |
| 562,230 | Jun. 16, 1896 | F. Mex | Petroleum Motor | internal combustion engines |
| 581,385 | Apr. 27, 1897 | E.P. Woillard | Gas or Vapor Engine | cylinders |
| 620,554 | Feb. 28, 1899 | J.W. Eisenhuth | Air and Gas Engine | gas and gasoline engines |
| 620,926 | Mar. 14, 1899 | L.J. Hirt | Gas Engine | gas and gasoline engines |
| 629,904 | Aug. 01, 1899 | L.J. Hirt | Gas Engine | gas and gasoline engines |
| 632,917 | Sep. 12, 1899 | C.R. Daellenbach | Explosive Engine | |
| 642,706 | Feb. 06, 1900 | A.L. Navone | Gas Engine | gas and gasoline engines |
| 650,549 | May 29, 1900 | F.W. Toedt | Gas Engine | gas and gasoline engines |
