| All Patents in class 91/494 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 1,818,611 | Aug. 11, 1931 | W. Ernst | Radial Pump | hydraulic pumps |
| 1,876,833 | Sep. 13, 1932 | E. Benedek | Pump | hydraulic pumps |
| 1,920,123 | Jul. 25, 1933 | W. Ernst | Radial Pump | hydraulic pumps |
| 1,964,244 | Jun. 26, 1934 | E.K. Benedek | Variable Delivery Radial Pump | hydraulic pumps |
| 2,000,271 | May 07, 1935 | E.K. Benedek | Variable Delivery Pump or Motor | hydraulic pumps |
| 2,023,216 | Dec. 03, 1935 | E.K. Benedek | Variable Delivery Pump or Motor | hydraulic pumps |
| 2,024,420 | Dec. 17, 1935 | E.K. Benedek | Pump | hydraulic pumps |
| 2,032,079 | Feb. 25, 1936 | E.K. Benedek | Pump or Motor | oil hydraulic motors |
| 2,381,741 | Aug. 07, 1945 | C.E. Grosser | Pump or motor unit | hydraulic pumps |
