| All Patents in class 73/531 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 215,802 | May 27, 1879 | G.H. Corliss | Steam Pumping-Engines | steam pumps |
| 386,233 | Jul. 17, 1888 | J. Bradley | Gas Engine Speed Regulator | internal combustion engine governors |
| 434,575 | Aug. 19, 1890 | W.O. Worth | Governor for Steam Engines | steam 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 |
| 841,832 | Jan. 22, 1907 | W.N. Rumely, C.N. Walsh | Centrifugal Governor | traction engine governors |
| 904,602 | Nov. 24, 1908 | H.C. Clay | Centrifugal Governor | traction engine governors |
| 1,798,422 | Mar. 31, 1931 | J.T. Janette | Valve for gas furnace | furnaces |
| 1,943,069 | Jan. 09, 1934 | M.J. Goldberg | Governor Control Mechanism | internal combustion engine governors |
| 2,258,688 | Oct. 14, 1941 | E.C. Read | Governor | steam engine governors |
