HYDRAULIC PRESS Corp Inc
HYDRAULICActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2233521A | Double-acting check valve device | Expired / Lapsed | 1937-06-15 | 1941-03-04 | 0 | Details |
| US2130299A | Radial pump | Expired / Lapsed | 1936-02-10 | 1938-09-13 | 0 | Details |
| US2128152A | Auxiliary hydraulic device for presses | Expired / Lapsed | 1934-08-16 | 1938-08-23 | 0 | Details |
| US2113110A | Hydraulically operated mechanical press | Expired / Lapsed | 1934-05-29 | 1938-04-05 | 0 | Details |
| US2109162A | Piston valve with mid-position bypass | Expired / Lapsed | 1935-02-15 | 1938-02-22 | 0 | Details |
| US2107190A | Plastic extrusion molding press | Expired / Lapsed | 1936-05-15 | 1938-02-01 | 0 | Details |
| US2105053A | Four-point hydraulically operated press | Expired / Lapsed | 1934-06-15 | 1938-01-11 | 0 | Details |
| US2070720A | Hydraulic press operating circuits and valves therefor | Expired / Lapsed | 1931-12-18 | 1937-02-16 | 0 | Details |