| All Patents in class 60/472 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 1,916,433 | Jul. 04, 1933 | W.C. Muller | Speed Control Valve | hydraulic apparatus |
| 1,990,052 | Feb. 05, 1935 | A.M. Sosa | Fluid actuated drill feed | radial drill presses |
| 2,306,541 | Dec. 29, 1942 | H.C. Clay | Floating Hydraulic Control | hydraulic machinery |
| 2,396,147 | Mar. 05, 1946 | W.G. Baldenhofer | Cooling System for Hydraulically-Operated Machine Tools | hydraulic apparatus |
| 2,476,238 | Jul. 12, 1949 | E.P. Bullard | Pump and Motor Transmission with Fluid Purifier | |
| 3,400,881 | Sep. 10, 1968 | G.N. Levesque | Compressed Air Economizer for Fluidic Controls | |
