| All Patents in class 123/70V |
Patents 31 -
45
of 58
      |
| Number | Date | Patentee | Title | Type |
| 428,801 | May 27, 1890 | H. Campbell | Gas Motor Engine | |
| 443,082 | Dec. 16, 1890 | J. Taylor | Gas Motor Engine | |
| 457,020 | Aug. 04, 1891 | H. Williams | Gas Motor 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 |
| 514,271 | Feb. 06, 1894 | H. Pokony | Gas Engine | internal combustion engines |
| 533,922 | Feb. 12, 1895 | S. Vivian, F.A. Rider | Gas Engine | gas and gasoline engines |
| 545,709 | Sep. 03, 1895 | F.S. Mead | Gas Engine | gas and gasoline engines |
| 548,142 | Oct. 15, 1895 | H. Schumm | Apparatus for Working Gas or Oil Engines | gas and gasoline engines |
| 559,017 | Apr. 28, 1896 | J.M. Worth | Gas Engine | gas and gasoline engines |
| 562,230 | Jun. 16, 1896 | F. Mex | Petroleum Motor | internal combustion engines |
| 563,670 | Jul. 07, 1896 | F.S. Mead | Gas, Oil or Vapor Engine | gas and gasoline engines |
| 567,954 | Sep. 22, 1896 | C.D. Anderson | Gas Engine | internal combustion engines |
| 574,311 | Dec. 29, 1896 | J.W. Eisenhuth | Expansion Gas Engine | gas and gasoline engines |
| 579,378 | Mar. 23, 1897 | L. Bénier | Gas Engine | gas and gasoline engines |
| 582,073 | May 04, 1897 | F.S. Mead | Gas or Oil Engine | oil engines |
