| All Patents in class 91/410 |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
| | 558,749 | Apr. 21, 1896 | G.L. Thomas | Electrically Controlled Gas Engine or Motor |
 | 693,629 | Feb. 18, 1902 | J.E. Lockwood, E.E. Thomas | Means for automatically controlling sawmill-carriages |
 | 955,568 | Apr. 19, 1910 | W.D. White | Water-wheel governor |
 | 1,244,664 | Oct. 30, 1917 | H.E. Warren | Fluid-operated lathe |
 | 1,722,506 | Jul. 30, 1929 | H.G. Sahlin | Drop hammer |
 | 1,924,545 | Aug. 29, 1933 | W.H. Fitzgerald, R.P. Fitzgerald | Drop hammer |
| | 1,956,758 | May 01, 1934 | W. Ernst | Hydraulic Press Operating Circuits |
| | 2,006,311 | Jun. 25, 1935 | B. Sassen, H. Ernst | Leakage Compensator for Hydraulic Systems |
 | 2,599,899 | Jun. 10, 1952 | J.A. Denton | Servomotor |
| | 3,913,450 | Oct. 21, 1975 | R. MacGregor | Hydraulic control system for press brakes or the like |
