| All Patents in class 91/506 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 2,383,093 | Aug. 21, 1945 | G.A. Wahlmark | Fluid pressure generating means | |
| 2,383,429 | Aug. 21, 1945 | G.A. Wahlmark | Hydraulically operated control mechanism | |
| 2,452,704 | Nov. 02, 1948 | G.A. Wahlmark | Hydraulic transmission and control | |
| 2,470,617 | May 17, 1949 | W.M. Hoddinott | Control for Variable Displacement Pumps | milling machines |
| 2,579,879 | Dec. 25, 1951 | B.H. Mosbacher, L.T. Stoyke | Gyratory valve for hydraulic pumps or motors | |
| 2,896,546 | Jul. 28, 1959 | M.M. Hann, B.H. Lundgren | Porting arrangement for hydraulic pumps and motors | |
| 3,060,690 | Oct. 30, 1962 | H. Horlacher | Control Mechanism for Machine Tool Table Feed | milling machines |
