| All Patents in class 73/540 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 74,454 | Feb. 11, 1868 | J. Tremper | Improvement in steam-governors | steam engine governors |
| 300,705 | Jun. 17, 1884 | J.W. Gardner, R.W. Gardner | Governor | steam engine governors |
| 310,838 | Jan. 13, 1885 | R. McKenna | Ball Governor | steam engine governors |
| 358,297 | Feb. 22, 1887 | A.D. Quint | Engine-governor | steam engine governors |
| 394,573 | Dec. 18, 1888 | E. Huber | Steam Engine Governor | traction engine governors |
| 398,452 | Feb. 26, 1889 | W.N. Rumely | Governor | traction engine governors |
| 603,189 | Apr. 26, 1898 | M.E. Hershey, B.T. Allen | Motor-governor | steam engine governors |
| 728,707 | May 19, 1903 | J. Hardill | Engine Governor | steam engine governors |
| 813,037 | Feb. 20, 1906 | H.C. Clay | Throttling Governor | steam engine governors |
| 841,819 | Jan. 22, 1907 | C.N. Walsh, W.N. Rumely | Governor | traction engine governors |
| 904,602 | Nov. 24, 1908 | H.C. Clay | Centrifugal Governor | traction engine governors |
| 924,638 | Jun. 15, 1909 | C.W. Cramer | Governor Regulator | steam engine governors |
| 984,439 | Feb. 14, 1911 | F.C. Olin | Governor for Gas Engines | internal combustion engine governors |
| 1,003,198 | Sep. 12, 1911 | R.H. Pascall | Engine Governor | internal combustion engine governors |
| 1,674,950 | Jun. 26, 1928 | I.M. Crafts | Governor | traction engine governors |
