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Woodward Inc

Woodward I
Active Patents
0
Total Holdings
15

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US4164722A Electromagnetic actuator with torque-compensating poles Expired / Lapsed 1978-01-09 1979-08-14 17 Details
US3483364A Electrical 3d cam Expired / Lapsed 1967-09-12 1969-12-09 0 Details
US3390594A Converter clutch with governor and transmission selector co… Expired / Lapsed 1966-06-15 1968-07-02 0 Details
US3307391A Viscosity measuring device Expired / Lapsed 1965-01-25 1967-03-07 2 Details
US2765800A Control for fluid servo actuated valve Expired / Lapsed 1952-03-28 1956-10-09 0 Details
US2756725A Compensated condition control regulator Expired / Lapsed 1954-10-21 1956-07-31 0 Details
US2647493A Fluid actuated governor control Expired / Lapsed 1952-04-24 1953-08-04 0 Details
US2602655A Multiple governor with common servo Expired / Lapsed 1949-12-02 1952-07-08 0 Details
US2533231A Speed-responsive governor Expired / Lapsed 1946-01-30 1950-12-12 0 Details
US2478753A Condition regulating apparatus Expired / Lapsed 1946-05-04 1949-08-09 0 Details
US2424559A Control for variable pitch propellers Expired / Lapsed 1943-11-26 1947-07-29 0 Details
US2380963A Governor adjusting mechanism Expired / Lapsed 1943-01-14 1945-08-07 0 Details
US2364116A Governor control Expired / Lapsed 1942-10-09 1944-12-05 0 Details
US2204640A Governor mechanism Expired / Lapsed 1935-03-01 1940-06-18 0 Details
US2204639A Governor mechanism Expired / Lapsed 1934-12-08 1940-06-18 0 Details