| All Patents in class 123/152 |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| 577,898 | Mar. 02, 1897 | J. Walrath | Explosive Engine | internal combustion engine valves |
| 584,188 | Jun. 08, 1897 | S.D. McLelland, P.B. McLelland | Gas or Vapor Engine | |
| 584,622 | Jun. 15, 1897 | J.O. Brown | Gas Engine | internal combustion engine valves |
| 597,326 | Jan. 11, 1898 | C. Quast | Gas Engine | gas and gasoline engines |
| 607,878 | Jul. 26, 1898 | C. Quast | Gas Engine | gas and gasoline engines |
| 612,756 | Oct. 18, 1898 | J.A. Ostenberg | Gas Engine | internal combustion engine governors |
| 635,294 | Oct. 24, 1899 | J.O. Brown | Gas Engine | gas and gasoline engines |
| 641,727 | Jan. 23, 1900 | C. Matson, P. Robertson | Gasolene Engine | gas and gasoline engines |
| 650,571 | May 29, 1900 | H. Swain | Gas or Oil Engine | gas and gasoline engines |
| 650,789 | May 29, 1900 | J.S. Losch | Gas Engine | gas and gasoline engines |
| 658,367 | Sep. 25, 1900 | E. Apperson, E. Haynes | Explosive Engine | gas and gasoline engines |
| 698,405 | Apr. 22, 1902 | J.W. Lambert | Speed Regulator for Explosive Engines | ignition systems |
| 710,647 | Oct. 07, 1902 | L.W. Witry | Speed-regulator for explosive-engines | gas and gasoline engines |
| 918,286 | Apr. 13, 1909 | H.M. Cramer | Sparker Mechanism for Engines | ignition systems |
| 924,639 | Jun. 15, 1909 | H.M. Cramer | Governor for Explosion Engines | internal combustion engine governors |
