| All Patents in class 73/550 |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
| | 26,654 | Jan. 03, 1860 | M. Cridge | Govenor |
 | 37,064 | Dec. 02, 1862 | J. Tremper | Improvement in centrifugal governors |
 | 182,816 | Oct. 03, 1876 | R.W. Gardner | Governors for Steam Engines |
 | 254,775 | Mar. 07, 1882 | W.A. Cogswell, J.L. Judson | Governor |
| | 345,670 | Jul. 20, 1886 | A. Campbell | Speed Regulator |
 | 349,847 | Sep. 28, 1886 | J. Judson | Governor |
| | 545,995 | Sep. 10, 1895 | A.R. Middleton, C. White | Gas Engine |
| | 660,338 | Oct. 23, 1900 | G.H. Rogers | Petroleum or Like Internal-Combustion Engine |
| | 801,322 | Oct. 10, 1905 | C.V. Kerr | High Speed Governor for Steam Turbines |
| | 935,343 | Sep. 28, 1909 | G. Westinghouse | Rotary Engine |
