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Powers Regulator Co

Powers Reg
Active Patents
0
Total Holdings
11

Patent Holdings

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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
US3181791A Automatic comfort control system Expired / Lapsed 1960-03-09 1965-05-04 2 Details
US2831714A Packing element Expired / Lapsed 1954-07-12 1958-04-22 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
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