| All Patents in class 137/54 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 110,703 | Jan. 03, 1871 | C. Waters | Governor | steam engine governors |
| 173,069 | Feb. 01, 1876 | M.W. Shapley | Improvement in governors for steam-engines | steam engine governors |
| 335,933 | Feb. 09, 1886 | H.J. Johnson | Mechanism for Regulating Steam-Engines | steam engine governors |
| 358,598 | Mar. 01, 1887 | T.L. Dennis | Steam Engine | steam engines |
| 444,938 | Jan. 20, 1891 | T.W. Kinkaid | Rotary Engine | rotary steam engines |
| 846,307 | Mar. 05, 1907 | F.G. Hobart | Gas Engine Regulating Valve | internal combustion engine governors |
| 955,569 | Apr. 19, 1910 | W.W. White | Gate-controlling mechanism for water-wheels | water wheels |
| 1,865,560 | Jul. 05, 1932 | G.B. Duffield | Pop Valve | steam safety valves |
