| All Patents in class 60/430 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 424,040 | Mar. 25, 1890 | J.H. Vaile | Press for oil-seeds | seed or nut presses |
| 1,835,977 | Dec. 08, 1931 | L.F. Nenninger, H. Ernst | Hydraulic System | hydraulic apparatus |
| 1,835,978 | Dec. 08, 1931 | L.F. Nenninger, H. Ernst | Multiple Closed Circuit Hydraulic ystem | hydraulic apparatus |
| 1,835,979 | Dec. 08, 1931 | L.F. Nenninger, H. Ernst | Three-Pump Hydraulic System | hydraulic apparatus |
| 1,945,632 | Feb. 06, 1934 | R.E. Flanders | Machine Tool and Hydraulic Feed Mechanism Therefor | hydraulic apparatus |
| 1,996,466 | Apr. 02, 1935 | H. Ernst | Pressure Responsive Hydraulic Feed Control Mechanism | hydraulic apparatus |
| 2,006,311 | Jun. 25, 1935 | B. Sassen, H. Ernst | Leakage Compensator for Hydraulic Systems | hydraulic apparatus |
| 2,459,937 | Jan. 25, 1949 | H. Ernst, F.A. Hassman | Hydraulic Control System | hydraulic apparatus |
| 2,522,783 | Sep. 19, 1950 | J.P. Golden | Hydraulic Pump and Circuit | hydraulic pumps |
| 2,537,391 | Jan. 09, 1951 | H.F. Bakewell | Hydraulic ram device with intermittent high-pressure fluid supply | stamping presses |
| 2,625,797 | Jan. 20, 1953 | J.H. Shaver, H.H. Poort | Hydraulic eductor valve | hydraulic apparatus |
| 2,912,906 | Nov. 17, 1959 | W. Schroeder | Machine Tool Transmission | milling machines |
