Rockwood Sprinkler Co
Rockwood SActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2698664A | Fire-fighting turret | Expired / Lapsed | 1951-12-01 | 1955-01-04 | 0 | Details |
| US2670104A | Liquid proportioning apparatus | Expired / Lapsed | 1950-06-22 | 1954-02-23 | 0 | Details |
| US2577457A | Liquid mixing apparatus | Expired / Lapsed | 1948-10-06 | 1951-12-04 | 0 | Details |
| US2492037A | Apparatus for generating foam | Expired / Lapsed | 1945-05-08 | 1949-12-20 | 0 | Details |
| US2337321A | Valve | Expired / Lapsed | 1942-09-12 | 1943-12-21 | 0 | Details |
| US1990264A | Sprinkler alarm mechanism | Expired / Lapsed | 1931-04-10 | 1935-02-05 | 0 | Details |
| US1150249A | Method of making a male member of a union-coupling. | Expired / Lapsed | 1913-02-19 | 1915-08-17 | 0 | Details |