Powers Regulator Co
Powers RegActive Patents
0
Total Holdings
16
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4123796A | Controller for environmental conditioning apparatus | Expired / Lapsed | 1976-11-19 | 1978-10-31 | 20 | Details |
| US4090248A | Supervisory and control system for environmental conditioni… | Expired / Lapsed | 1975-10-24 | 1978-05-16 | 34 | Details |
| US3896871A | Computer controlled automated building system having a manu… | Expired / Lapsed | 1973-01-23 | 1975-07-29 | 17 | Details |
| US3181791A | Automatic comfort control system | Expired / Lapsed | 1960-03-09 | 1965-05-04 | 2 | Details |
| US2948296A | Variable constant flow device | Expired / Lapsed | 1958-03-24 | 1960-08-09 | 0 | Details |
| US2831714A | Packing element | Expired / Lapsed | 1954-07-12 | 1958-04-22 | 0 | Details |
| US2593129A | Control mechanism | Expired / Lapsed | 1946-02-25 | 1952-04-15 | 0 | Details |
| US2424891A | Thermostatic mixer for liquids | Expired / Lapsed | 1943-12-29 | 1947-07-29 | 0 | Details |
| US2226865A | Minimum pressure relay | Expired / Lapsed | 1939-11-18 | 1940-12-31 | 0 | Details |
| US2172489A | Combined pressure and temperature equalizer | Expired / Lapsed | 1934-05-28 | 1939-09-12 | 0 | Details |
| US2157025A | Velocity control damper | Expired / Lapsed | 1937-08-07 | 1939-05-02 | 0 | Details |
| US2131573A | Recording thermometer | Expired / Lapsed | 1936-11-09 | 1938-09-27 | 0 | Details |
| US2125889A | Thermostatic control for heating and cooling systems | Expired / Lapsed | 1936-11-09 | 1938-08-09 | 0 | Details |
| US2122600A | Shower mixer | Expired / Lapsed | 1935-09-30 | 1938-07-05 | 0 | Details |
| US1819045A | Thermostatic water mixer | Expired / Lapsed | 1929-07-26 | 1931-08-18 | 0 | Details |
| US1004074A | Fire protection. | Expired / Lapsed | 1911-02-25 | 1911-09-26 | 0 | Details |