HK Porter Co Inc
HK PorterActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4155790A | Continuous manufacture of reinforced hose | Expired / Lapsed | 1977-01-12 | 1979-05-22 | 6 | Details |
| US3586558A | Continuous manufacture of reinforced hose | Expired / Lapsed | 1967-11-28 | 1971-06-22 | 0 | Details |
| US3284259A | Method of making reinforced hose | Expired / Lapsed | 1963-05-27 | 1966-11-08 | 2 | Details |
| US3104364A | Magnetic core construction | Expired / Lapsed | 1957-05-07 | 1963-09-17 | 2 | Details |
| US3024494A | Plastic pipe extrusion head | Expired / Lapsed | 1958-07-21 | 1962-03-13 | 0 | Details |
| US2988130A | Method of making jet engine refueling hose | Expired / Lapsed | 1958-11-06 | 1961-06-13 | 0 | Details |
| US2974713A | Method of continuously producing reinforced hose | Expired / Lapsed | 1957-06-10 | 1961-03-14 | 0 | Details |
| US2833313A | Double jacketed fire hose | Expired / Lapsed | 1957-03-12 | 1958-05-06 | 0 | Details |
| US2402995A | Centrifugal pump | Expired / Lapsed | 1944-09-09 | 1946-07-02 | 0 | Details |