| All Patents in class 137/53 |
Patents 1 -
15
of 25
      |
| Number | Date | Patentee | Title | Type |
| 5,540 | Apr. 25, 1848 | W.B. Hill | Balance Valve for Steam Engines | traction engine governors |
| RE1,309 | May 13, 1862 | H.D. Snow | Improvement in Governor-Valves | steam engine governors |
| 92,848 | Jul. 20, 1869 | J.F. Letellier | Governor | steam engine governors |
| 151,129 | May 19, 1874 | J. Hock | Petroleum Dynamic Engines | gas and gasoline engines |
| 158,300 | Dec. 29, 1874 | M. Muchin | Governors for Steam Engines | steam engine governors |
| 164,745 | Jun. 22, 1875 | W.D. Marks | Governor | steam engine governors |
| 284,555 | Sep. 04, 1883 | G.M. Hopkins | Gas Engine | gas and gasoline engines |
| 348,998 | Sep. 14, 1886 | J.F. Place | Gas Engine | gas and gasoline engines |
| 394,573 | Dec. 18, 1888 | E. Huber | Steam Engine Governor | traction engine governors |
| 548,922 | Oct. 29, 1895 | J.J. Norman | Gas and Oil Engine | gas and gasoline engines |
| 583,585 | Jun. 01, 1897 | G. Westinghouse, Jr., E. Ruud | Means for Controlling and Regulating Operation of Gas Engines | internal combustion engines |
| 583,872 | Jun. 01, 1897 | J.H. Tuffs | Gas Engine | internal combustion engine governors |
| 614,114 | Nov. 15, 1898 | C.A. Lefebvre | Oil or Similar Motor | oil engines |
| 659,911 | Oct. 16, 1900 | D.E. Barnard | Gas Engine | gas and gasoline engines |
| 667,595 | Feb. 05, 1901 | F.W. Spacke | Automatic Stop for Governors | steam engine governors |
