| All Patents in class 91/47 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,088,079 | Feb. 24, 1914 | F.M. Leavitt | Engine-governor | torpedoes |
| 1,234,882 | Jul. 31, 1917 | W.A. Doble | Speed Governor | water wheel governors |
| 2,230,263 | Feb. 04, 1941 | E.C. Read | Governor | steam engine governors |
| 2,412,957 | Dec. 24, 1946 | F.A. Barnes | Machine tool control | milling machine accessories |
| 2,475,326 | Jul. 05, 1949 | C. Johnson | Control system | milling machine accessories |
| 2,898,891 | Aug. 11, 1959 | R.J. Flanigan, N.V. Gusching | Hydraulic flow control | |
| 2,903,234 | Sep. 08, 1959 | H. Steinhauer, V.v. Sundt | Timed Valve with Cam Actuator | metalworking machine mechanisms |
