Crane Packing Co
Crane PackActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2868575A | Gasket and method of making same | Expired / Lapsed | 1954-08-16 | 1959-01-13 | 0 | Details |
| US2628852A | Cooling system for double seals | Expired / Lapsed | 1949-02-02 | 1953-02-17 | 0 | Details |
| US2535694A | Self-sealing coupling | Expired / Lapsed | 1946-07-06 | 1950-12-26 | 0 | Details |
| US2447663A | Fluid seal | Expired / Lapsed | 1945-06-16 | 1948-08-24 | 0 | Details |
| US2337639A | Liquid seal for rotary shafts | Expired / Lapsed | 1941-02-08 | 1943-12-28 | 0 | Details |
| US2326000A | Bearing material | Expired / Lapsed | 1942-04-27 | 1943-08-03 | 0 | Details |
| US2233232A | Internal gripping device for smooth bore ferrules | Expired / Lapsed | 1939-04-26 | 1941-02-25 | 0 | Details |