Hays Manufacturing Co
Hays ManufActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3079675A | Inverted plug type valve | Expired / Lapsed | 1959-04-28 | 1963-03-05 | 0 | Details |
| US2853264A | Solenoid valve | Expired / Lapsed | 1953-04-13 | 1958-09-23 | 0 | Details |
| US2762397A | Flow control device | Expired / Lapsed | 1952-06-24 | 1956-09-11 | 0 | Details |
| US2719889A | Fluid flow responsive device | Expired / Lapsed | 1950-01-27 | 1955-10-04 | 0 | Details |
| US2629401A | Magnetically controlled packless valve | Expired / Lapsed | 1947-10-08 | 1953-02-24 | 0 | Details |
| US2554790A | Flow control device | Expired / Lapsed | 1948-09-09 | 1951-05-29 | 0 | Details |
| US2055562A | Diverter nozzle | Expired / Lapsed | 1935-06-22 | 1936-09-29 | 0 | Details |
| US1838180A | Pipe coupling | Expired / Lapsed | 1929-05-01 | 1931-12-29 | 0 | Details |