John B. Pierce Laboratory
John B. PiActive Patents
0
Total Holdings
13
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2640896A | Thermostat device | Expired / Lapsed | 1950-03-16 | 1953-06-02 | 0 | Details |
| US2635547A | Axial gap electric motor-driven pump | Expired / Lapsed | 1948-01-19 | 1953-04-21 | 0 | Details |
| US2601905A | Dehumidification system for buildings | Expired / Lapsed | 1948-03-02 | 1952-07-01 | 0 | Details |
| US2460309A | Panel structural unit | Expired / Lapsed | 1942-11-19 | 1949-02-01 | 0 | Details |
| US2336456A | Dehumidifying apparatus | Expired / Lapsed | 1941-06-26 | 1943-12-14 | 0 | Details |
| US2322631A | Combined vacuum breaker and check valve | Expired / Lapsed | 1940-06-13 | 1943-06-22 | 0 | Details |
| US2312579A | Method of applying coupling devices | Expired / Lapsed | 1939-09-15 | 1943-03-02 | 0 | Details |
| US2305101A | Electrical apparatus | Expired / Lapsed | 1941-01-11 | 1942-12-15 | 0 | Details |
| US2292373A | Self-policing air valve with back pressure control | Expired / Lapsed | 1935-06-07 | 1942-08-11 | 0 | Details |
| US2279516A | Electrical convenience outlet | Expired / Lapsed | 1940-04-20 | 1942-04-14 | 0 | Details |
| US2274087A | Electricity conductor unit | Expired / Lapsed | 1939-10-28 | 1942-02-24 | 0 | Details |
| US2212868A | Timing mechanism | Expired / Lapsed | 1937-01-28 | 1940-08-27 | 0 | Details |
| US2033884A | Composition door | Expired / Lapsed | 1932-12-20 | 1936-03-10 | 0 | Details |