Imperial Brass Manufacturing Co
Imperial BActive Patents
0
Total Holdings
20
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2949244A | Air nozzle adapter | Expired / Lapsed | 1957-09-05 | 1960-08-16 | 0 | Details |
| US2934209A | Dehydrator | Expired / Lapsed | 1956-06-22 | 1960-04-26 | 0 | Details |
| US2912262A | Tube coupling allowing limited axial movement of the tube | Expired / Lapsed | 1955-04-04 | 1959-11-10 | 0 | Details |
| US2897835A | Vacuum breaker | Expired / Lapsed | 1956-02-29 | 1959-08-04 | 0 | Details |
| US2714868A | Liquid indicator | Expired / Lapsed | 1951-05-05 | 1955-08-09 | 0 | Details |
| CA458408A | Coupling for high pressure tubing | Expired / Lapsed | — | 1949-07-26 | 0 | Details |
| US2405822A | Sealed flexible coupling | Expired / Lapsed | 1943-02-26 | 1946-08-13 | 0 | Details |
| US2298117A | Quick coupler for tubing | Expired / Lapsed | 1940-09-18 | 1942-10-06 | 0 | Details |
| US2267416A | Flared fitting | Expired / Lapsed | 1939-12-18 | 1941-12-23 | 0 | Details |
| US2236104A | Gas outlet box | Expired / Lapsed | 1940-11-12 | 1941-03-25 | 0 | Details |
| US2212745A | Resilient coupling for tubing | Expired / Lapsed | 1938-01-26 | 1940-08-27 | 0 | Details |
| US2174105A | Resilient coupling for tubing | Expired / Lapsed | 1936-10-06 | 1939-09-26 | 0 | Details |
| US2089851A | Mechanical refrigeration apparatus | Expired / Lapsed | 1934-06-04 | 1937-08-10 | 0 | Details |
| US2087049A | Plumbing system employing vacuum breakers | Expired / Lapsed | 1933-12-19 | 1937-07-13 | 0 | Details |
| US1927463A | Refacing tool for threaded members | Expired / Lapsed | 1929-07-26 | 1933-09-19 | 0 | Details |
| US1672575A | Shut-off valve for oil burners | Expired / Lapsed | 1924-05-01 | 1928-06-05 | 0 | Details |
| US1625097A | Air pump | Expired / Lapsed | 1921-11-23 | 1927-04-19 | 0 | Details |
| US1589477A | Propulsion mechanism for children's vehicles | Expired / Lapsed | 1922-05-10 | 1926-06-22 | 0 | Details |
| US1339811A | Valve-regulating means | Expired / Lapsed | 1919-05-28 | 1920-05-11 | 0 | Details |
| US1332944A | Priming-cup | Expired / Lapsed | 1916-05-11 | 1920-03-09 | 0 | Details |