| All Patents in class 73/493 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 11,223 | Jul. 04, 1854 | W.C. Hibbard | Regulating the motion of steam-engines | steam engines |
| 164,917 | Jun. 29, 1875 | J.C. Hoadley | Governor for Steam Engines | steam engine governors |
| 172,116 | Jan. 11, 1876 | A.O. Whittemore, G.W. Hall | Engine-Governor | steam engine governors |
| 191,084 | May 22, 1877 | H. Tabor | Governor for Steam-Engines | steam engine governors |
| 206,500 | Jul. 30, 1878 | H. Tabor | Governor for Valve Motions | steam engine governors |
| 444,938 | Jan. 20, 1891 | T.W. Kinkaid | Rotary Engine | rotary steam engines |
| 481,141 | Aug. 16, 1892 | F.C. Dietz | Governor for Steam Engines | steam engine governors |
| 504,613 | Sep. 05, 1893 | C.W. Pinkney | Apparatus for governing gas, steam or other motive power engines | internal combustion engine governors |
| 659,944 | Oct. 16, 1900 | H.D. Weed | Gas Engine | gas and gasoline engines |
| 1,082,383 | Dec. 23, 1913 | A. Winton | Speed Governor | internal combustion engine governors |
| 2,818,147 | Dec. 31, 1957 | W. Ziegler, C.A. Mattson, A.W. Mall | Engine governor and clutch | industrial machine clutches |
