| All Patents in class 123/275 |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
| | 337,000 | Mar. 02, 1886 | J.P. Holland | Hydrocarbon Engine |
| | 547,606 | Oct. 08, 1895 | W.E. Gibson | Petroleum or Hydrocarbon Engine |
| | 563,670 | Jul. 07, 1896 | F.S. Mead | Gas, Oil or Vapor Engine |
| | 620,602 | Mar. 07, 1899 | H.P. Maxim | Explosive Engine |
| | 653,854 | Jul. 17, 1900 | V.V. Torbensen | Oil Engine |
 | 1,022,178 | Apr. 02, 1912 | B. Brazelle | Internal-combustion motor |
| | 1,334,376 | Mar. 23, 1920 | R.M. Hvid | Oil Burning Engine |
| | 1,476,012 | Dec. 04, 1923 | R.M. Hvid | Fuel Supply Valve |
| | 1,678,897 | Jul. 31, 1928 | E.T. Adams | Internal Combustion Engine |
| | 1,790,892 | Feb. 03, 1931 | E.T. Adams | Internal Combustion Engine |
