| All Patents in class 73/550 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 26,654 | Jan. 03, 1860 | M. Cridge | Govenor | steam engine governors |
| 37,064 | Dec. 02, 1862 | J. Tremper | Improvement in centrifugal governors | steam engine governors |
| 182,816 | Oct. 03, 1876 | R.W. Gardner | Governors for Steam Engines | steam engine governors |
| 254,775 | Mar. 07, 1882 | W.A. Cogswell, J.L. Judson | Governor | steam engine governors |
| 345,670 | Jul. 20, 1886 | A. Campbell | Speed Regulator | industrial machine speed and direction changing mechanisms |
| 349,847 | Sep. 28, 1886 | J. Judson | Governor | steam engine governors |
| 545,995 | Sep. 10, 1895 | A.R. Middleton, C. White | Gas Engine | gas and gasoline engines |
| 660,338 | Oct. 23, 1900 | G.H. Rogers | Petroleum or Like Internal-Combustion Engine | internal combustion engines |
| 801,322 | Oct. 10, 1905 | C.V. Kerr | High Speed Governor for Steam Turbines | steam turbines |
| 935,343 | Sep. 28, 1909 | G. Westinghouse | Rotary Engine | rotary steam engines |
| 941,775 | Nov. 30, 1909 | M. Haeberlein | Fly Ball Governor | water wheel governors |
| 1,190,945 | Jul. 11, 1916 | J.L. Osborne | Pump Controlling Device | pumps |
| 1,190,946 | Jul. 11, 1916 | J.L. Osborne | Governor | steam engine governors |
| 1,201,821 | Oct. 17, 1916 | F.G. Hobart, C.B. Jahnke | Combined governor and speed-regulator | internal combustion engine governors |
| 1,567,101 | Dec. 29, 1925 | C.L. Bailey | Centrifugal Governor for Gasoline Engines | internal combustion engine governors |
