Patent Explorer
Browse, filter, and analyze 18 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| DE1916518A1 | Lock control device | ZF Active Safety US Inc | Expired / Lapsed | 1969-03-31 | — | 1989-03-31 | 0.0 yrs | 0 | |
| US4282762A | Load sensing transducer | ZF Active Safety US Inc | Expired / Lapsed | 1979-10-29 | 1981-08-11 | 1999-10-29 | 0.0 yrs | 6 | |
| US3998093A | Energy monitoring system | ZF Active Safety US Inc | Expired / Lapsed | 1975-04-07 | 1976-12-21 | 1995-04-07 | 0.0 yrs | 18 | |
| US3938611A | Intake manifold valve throttle control for spin control system | ZF Active Safety US Inc | Expired / Lapsed | 1973-11-23 | 1976-02-17 | 1993-11-23 | 0.0 yrs | 20 | |
| US3838889A | Skid control system | ZF Active Safety US Inc | Expired / Lapsed | 1973-01-10 | 1974-10-01 | 1993-01-10 | 0.0 yrs | 85 | |
| US3744852A | Skid control system | ZF Active Safety US Inc | Expired / Lapsed | 1971-08-23 | 1973-07-10 | 1991-08-23 | 0.0 yrs | 10 | |
| US3739270A | Electronic speedometer/odometer with interchangeable calibrating means for accommodating a plurality of vehicle tire sizes | ZF Active Safety US Inc | Expired / Lapsed | 1971-02-01 | 1973-06-12 | 1991-02-01 | 0.0 yrs | 20 | |
| US3663069A | Skid control system | ZF Active Safety US Inc | Expired / Lapsed | 1970-10-07 | 1972-05-16 | 1990-10-07 | 0.0 yrs | 17 | |
| US3663070A | Skid control system | ZF Active Safety US Inc | Expired / Lapsed | 1969-11-10 | 1972-05-16 | 1989-11-10 | 0.0 yrs | 16 | |
| US3614172A | Skid control system | ZF Active Safety US Inc | Expired / Lapsed | 1969-02-27 | 1971-10-19 | 1989-02-27 | 0.0 yrs | 14 | |
| US3612622A | Skid control system | ZF Active Safety US Inc | Expired / Lapsed | 1969-02-27 | 1971-10-12 | 1989-02-27 | 0.0 yrs | 11 | |
| US3612620A | Skid control system | ZF Active Safety US Inc | Expired / Lapsed | 1969-09-22 | 1971-10-12 | 1989-09-22 | 0.0 yrs | 12 | |
| US3532393A | Anti-skid braking system | ZF Active Safety US Inc | Expired / Lapsed | 1968-10-29 | 1970-10-06 | 1988-10-29 | 0.0 yrs | 0 | |
| US3495882A | Skid control system including hydraulic modulating valve having a modified check and bleed valve | ZF Active Safety US Inc | Expired / Lapsed | 1968-01-31 | 1970-02-17 | 1988-01-31 | 0.0 yrs | 0 | |
| US3018139A | Pressure control mechanism for vehicle brakes | ZF Active Safety US Inc | Expired / Lapsed | 1958-04-01 | 1962-01-23 | 1978-04-01 | 0.0 yrs | 0 | |
| US3011833A | Pressure controlling valve mechanism for motor vehicle brake systems | ZF Active Safety US Inc | Expired / Lapsed | 1959-09-25 | 1961-12-05 | 1979-09-25 | 0.0 yrs | 0 | |
| US2208620A | Packing for hydraulic actuators | ZF Active Safety US Inc | Expired / Lapsed | 1937-07-21 | 1940-07-23 | 1957-07-21 | 0.0 yrs | 0 | |
| US2120595A | Method of forming brake drums or like structures | ZF Active Safety US Inc | Expired / Lapsed | 1934-12-17 | 1938-06-14 | 1954-12-17 | 0.0 yrs | 0 |