| All Patents in class 73/530 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 10,559 | Feb. 21, 1854 | R. Porter | Improvement in machinery for making cordage | rope making machines |
| 125,084 | Mar. 26, 1872 | N.G. Herreshoff, E. Reynolds | Improvement in Governors for Steam Engines | steam engine governors |
| 150,266 | Apr. 28, 1874 | E.A. Sutcliffe | Governors for Engines | steam engine governors |
| 212,337 | Feb. 18, 1879 | T.A. Weston | Speed-Governor and Friction-Brake for Machinery | industrial friction brakes |
| 779,373 | Jan. 03, 1905 | D.W. Payne | Engine Governor | steam engine governors |
| 1,099,364 | Jun. 09, 1914 | F.W. Heisler, C.L. Heisler | Governor for Controlling the Speed of Engines and Machinery | steam engine governors |
| 2,859,295 | Nov. 04, 1958 | M. Weidig | Zero Speed Mechanism | electric switches |
