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ZF Active Safety US Inc

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Active Patents
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Total Holdings
18

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
DE1916518A1 Lock control device Expired / Lapsed 1969-03-31 — 0 Details
US4282762A Load sensing transducer Expired / Lapsed 1979-10-29 1981-08-11 6 Details
US3998093A Energy monitoring system Expired / Lapsed 1975-04-07 1976-12-21 18 Details
US3938611A Intake manifold valve throttle control for spin control sys… Expired / Lapsed 1973-11-23 1976-02-17 20 Details
US3838889A Skid control system Expired / Lapsed 1973-01-10 1974-10-01 85 Details
US3744852A Skid control system Expired / Lapsed 1971-08-23 1973-07-10 10 Details
US3739270A Electronic speedometer/odometer with interchangeable calibr… Expired / Lapsed 1971-02-01 1973-06-12 20 Details
US3663069A Skid control system Expired / Lapsed 1970-10-07 1972-05-16 17 Details
US3663070A Skid control system Expired / Lapsed 1969-11-10 1972-05-16 16 Details
US3614172A Skid control system Expired / Lapsed 1969-02-27 1971-10-19 14 Details
US3612620A Skid control system Expired / Lapsed 1969-09-22 1971-10-12 12 Details
US3612622A Skid control system Expired / Lapsed 1969-02-27 1971-10-12 11 Details
US3532393A Anti-skid braking system Expired / Lapsed 1968-10-29 1970-10-06 0 Details
US3495882A Skid control system including hydraulic modulating valve ha… Expired / Lapsed 1968-01-31 1970-02-17 0 Details
US3018139A Pressure control mechanism for vehicle brakes Expired / Lapsed 1958-04-01 1962-01-23 0 Details
US3011833A Pressure controlling valve mechanism for motor vehicle brak… Expired / Lapsed 1959-09-25 1961-12-05 0 Details
US2208620A Packing for hydraulic actuators Expired / Lapsed 1937-07-21 1940-07-23 0 Details
US2120595A Method of forming brake drums or like structures Expired / Lapsed 1934-12-17 1938-06-14 0 Details