Hansen Manufacturing Co Inc
Hansen ManActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB691899A | Improvements in or relating to valved pipe couplings | Expired / Lapsed | 1951-11-27 | — | 0 | Details |
| US3997196A | Coupling assembly | Expired / Lapsed | 1975-01-20 | 1976-12-14 | 13 | Details |
| US2898130A | Safety seal | Expired / Lapsed | 1958-01-20 | 1959-08-04 | 0 | Details |
| US2805089A | Pipe coupling with wedged spring ring detent means | Expired / Lapsed | 1954-12-30 | 1957-09-03 | 0 | Details |
| US2237960A | Slow speed motor | Expired / Lapsed | 1939-02-24 | 1941-04-08 | 0 | Details |
| US1728756A | Fluid-pressure spraying device | Expired / Lapsed | 1924-03-31 | 1929-09-17 | 0 | Details |
| US1676777A | Inflating valve | Expired / Lapsed | 1924-12-26 | 1928-07-10 | 0 | Details |