| All Patents in class 74/2 |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
 | 37,063 | Dec. 02, 1862 | J. Tremper | Improvement in variable cut-off gears for steam-engines |
 | 140,414 | Jul. 01, 1873 | J. Hendy | Improvement in engine-governors |
 | 162,101 | Apr. 13, 1875 | G.H. Reynolds | Valve Gear for Steam Engines |
| | 215,797 | May 27, 1879 | G.H. Corliss | Valve-Gear for Steam-Engines |
 | 268,523 | Dec. 05, 1882 | J. Nesbitt | Electric device for operating the throttle-valves of steam-engines |
 | 642,146 | Jan. 30, 1900 | M.R. Moore | Valve Gear |
 | 923,591 | Jun. 01, 1909 | C.G. Sprado | Gas Engine |
 | 1,606,542 | Nov. 09, 1926 | C.H. Usher | Safety stop |
| | 1,727,424 | Sep. 10, 1929 | W.D. Archea | Milling Machine |
| | 2,150,858 | Mar. 14, 1939 | G.K. Eggleston | Control Device |
