| All Patents in class 123/298 |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 335,629 | Feb. 09, 1886 | A.K. Rider | Hydrocarbon Vapor Engine | gas and gasoline engines |
| 349,369 | Sep. 21, 1886 | J. Spiel | Petroleum and Gas Engine | gas and gasoline engines |
| 425,116 | Apr. 08, 1890 | A.T. Griggs, J.R. Valentine | Gas Engine | gas and gasoline engines |
| 433,807 | Aug. 05, 1890 | N.A. Otto | Motor Engine Worked by Oil Vapor | oil engines |
| 514,271 | Feb. 06, 1894 | H. Pokony | Gas Engine | internal combustion engines |
| 532,100 | Jan. 08, 1895 | J. Robison | Vaporizing and Ignition Device | carburetors |
| 575,812 | Jan. 26, 1897 | F.C. Southwell | Explosive Engine | fuel pumps |
| 579,068 | Mar. 16, 1897 | E. Merry | Hydrocarbon Engine | |
| 582,073 | May 04, 1897 | F.S. Mead | Gas or Oil Engine | oil engines |
| 592,034 | Oct. 19, 1897 | C.W. Weiss | Explosive Engine | oil engines |
| 595,497 | Dec. 14, 1897 | W. Rowbotham | Oil, Gas or Like Engine | oil engines |
| 603,914 | May 10, 1898 | F.S. Mead | Gas or Oil Engine | oil engines |
| 625,839 | May 30, 1899 | L.B. Doman | Explosive Engine | gas and gasoline engines |
| 630,838 | Aug. 15, 1899 | E.A. Ericksson, C.A. Anderson | Gas or Oil Engine | gas and gasoline engines |
| 644,798 | Mar. 06, 1900 | A.J. Firth | Internal Combustion Engine | diesel engines |
