| All Patents in class 73/531 |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
| | 215,802 | May 27, 1879 | G.H. Corliss | Steam Pumping-Engines |
| | 386,233 | Jul. 17, 1888 | J. Bradley | Gas Engine Speed Regulator |
| | 434,575 | Aug. 19, 1890 | W.O. Worth | Governor for Steam Engines |
 | 720,934 | Feb. 17, 1903 | R.C. Kimble | Speed-Regulating Device for Engine-Governors |
 | 818,718 | Apr. 24, 1906 | W.N. Rumely, C.N. Walsh | Engine Governor |
 | 841,819 | Jan. 22, 1907 | C.N. Walsh, W.N. Rumely | Governor |
 | 841,832 | Jan. 22, 1907 | W.N. Rumely, C.N. Walsh | Centrifugal Governor |
| | 904,602 | Nov. 24, 1908 | H.C. Clay | Centrifugal Governor |
| | 1,798,422 | Mar. 31, 1931 | J.T. Janette | Valve for gas furnace |
| | 1,943,069 | Jan. 09, 1934 | M.J. Goldberg | Governor Control Mechanism |
