| All Patents in class 73/546 |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 36,621 | Oct. 07, 1862 | T.R. Pickering | Improved centrifugal governor | steam engine governors |
| 50,624 | Oct. 24, 1865 | T.R. Pickering | Governor | steam engine governors |
| 92,051 | Jun. 29, 1869 | W.H. Howland | Improvement in steam-engine governors | steam engine governors |
| 287,822 | Nov. 06, 1883 | R.W. Gardner | Governor | steam engine governors |
| 300,705 | Jun. 17, 1884 | J.W. Gardner, R.W. Gardner | Governor | steam engine governors |
| 314,528 | Mar. 24, 1885 | A.E. Hardy | Governor for Steam Engines | steam engine governors |
| 336,837 | Feb. 23, 1886 | N.F. Burnham | Steam Engine | steam engines |
| 417,515 | Dec. 17, 1889 | J.A. Seymour | Governor for Steam Engines | steam engine governors |
| 532,865 | Jan. 22, 1895 | A.W. Brown | Vapor Engine | |
| 681,144 | Aug. 20, 1901 | F.W. Spacke | Speed Varying Pulley | traction engine governors |
| 807,266 | Dec. 12, 1905 | S.S. Hall | Governor Head | steam engine governors |
| 815,114 | Mar. 13, 1906 | R.H. Pascall | Governor for Engines | steam engine governors |
| 818,711 | Apr. 24, 1906 | W.N. Rumely | Steam Engine Governor | traction engine governors |
| 818,718 | Apr. 24, 1906 | W.N. Rumely, C.N. Walsh | Engine Governor | traction engine governors |
| 841,819 | Jan. 22, 1907 | C.N. Walsh, W.N. Rumely | Governor | traction engine governors |
