| All Patents in class 123/65R |
Patents 16 -
30
of 35
      |
| Number | Date | Patentee | Title | Type |
| 640,672 | Jan. 02, 1900 | G.W. Lewis | Gas Engine | gas and gasoline engines |
| 640,673 | Jan. 02, 1900 | G.W. Lewis | Gas Engine | gas and gasoline engines |
| 640,675 | Jan. 02, 1900 | G.W. Lewis | Explosive Engine | gas and gasoline engines |
| 652,724 | Jun. 26, 1900 | N.W. Perkins, Jr., C.K. Pickles | Gas Engine | gas and gasoline engines |
| 661,599 | Nov. 13, 1900 | J. Day | Oil Engine | oil engines |
| 666,264 | Jan. 22, 1901 | J.F. Denison | Valve for Explosion Engines | internal combustion traction engines |
| 713,792 | Nov. 18, 1902 | J.A. Ostenberg | Explosive Engine | |
| 748,011 | Dec. 29, 1903 | W. Remington | Feeding and Ingniting Device for Explosive Engines | ignition systems |
| 792,300 | Jun. 13, 1905 | C.W. Weiss | Internal Combustion Engine | oil engines |
| 924,856 | Jun. 15, 1909 | E. Thomson | Oil or Gas Engine | gas and gasoline engines |
| 1,022,178 | Apr. 02, 1912 | B. Brazelle | Internal-combustion motor | gas and gasoline engines |
| 1,229,569 | Jun. 12, 1917 | B.F. Augustine | Rotary Engine | rotary engines |
| 1,632,988 | Jun. 21, 1927 | E.T. Adams | Internal Combustion Engine and Method of Operating the Same | internal combustion engines |
| 1,672,209 | Jun. 05, 1928 | M.J. Goldberg | Priming Device | fuel primers |
| 1,718,934 | Jul. 02, 1929 | E.T. Adams | Internal Combustion Engine | internal combustion engines |
