| All Patents in class 417/307 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
| | 655,232 | Aug. 07, 1900 | C.L. Heisler | Pumping Engine |
| | 728,628 | May 19, 1903 | C. Seymour | Hydraulic Press |
| | 1,723,360 | Aug. 06, 1929 | E.P. Larsh | Pump |
| | 1,916,433 | Jul. 04, 1933 | W.C. Muller | Speed Control Valve |
| | 1,990,263 | Feb. 05, 1935 | E.K. Benedek | Pump |
| | 2,138,194 | Nov. 29, 1938 | E.M. Pfauser | Hydraulic Pump |
| | 3,132,485 | May 12, 1964 | J.R. Watson | Hydraulic Motor Control |
| | 4,739,854 | Apr. 26, 1988 | R.D. Liegel, N. Charles, G.J. Sabel | Hydraulic fluid pump assembly for use in truck cab tilt apparatus |
