| All Patents in class 60/621 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 161,454 | Mar. 30, 1875 | J. Taggart | Air and Gas Engines | gas and gasoline engines |
| 222,467 | Dec. 09, 1879 | G.W. Daimler | Gas-Motor Engine | gas and gasoline engines |
| 348,999 | Sep. 14, 1886 | J.F. Place | Gas Engine | gas and gasoline engines |
| 571,966 | Nov. 24, 1896 | M. Blakey | Operation of Gas Engines | gas and gasoline engines |
| 580,172 | Apr. 06, 1897 | M. Blakey | Gas or Other Explsive Engine | internal combustion engine valves |
| 586,409 | Jul. 13, 1897 | E.P. Woillard | Gas or Vapor Engine | gas and gasoline engines |
| 651,062 | Jun. 05, 1900 | A. Adamson | Internal Combustion Engine | internal combustion engines |
| 715,008 | Dec. 02, 1902 | C.A. Braden | Steam Explosive Engine | steam engines |