Dr Ing HCF Porsche AG
Dr Ing HCFActive Patents
0
Total Holdings
23
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| DE19620928A1 | Lengthwise control method for IC engine motor vehicle inclu… | Expired / Lapsed | 1996-05-24 | — | 0 | Details |
| EP0635631A1 | Cylinder head arrangement for an internal combustion engine | Expired / Lapsed | 1994-05-31 | — | 0 | Details |
| DE4218034A1 | Measuring frictional connection potential of motor vehicle … | Expired / Lapsed | 1992-06-02 | — | 0 | Details |
| EP0090944A2 | Differential gearing | Expired / Lapsed | 1983-02-26 | — | 0 | Details |
| DE3212495A1 | DIFFERENTIAL GEARBOX | Expired / Lapsed | 1982-04-03 | — | 0 | Details |
| DE2750408A1 | Vehicle seat adjustment mechanism - involves selection and … | Expired / Lapsed | 1977-11-11 | — | 0 | Details |
| DE2004979B2 | Device for the automatic actuation of the operating devices… | Expired / Lapsed | 1970-02-04 | — | 0 | Details |
| DE1455679A1 | Self-supporting car body for motor vehicles | Expired / Lapsed | 1963-07-18 | — | 0 | Details |
| USD413294S | Instrument panel for a motor vehicle | Expired / Lapsed | 1997-12-08 | 1999-08-31 | 1 | Details |
| US4748843A | Diagnostic system for a motor vehicle | Expired / Lapsed | 1986-10-23 | 1988-06-07 | 20 | Details |
| US4644823A | Differential gear | Expired / Lapsed | 1983-03-31 | 1987-02-24 | 25 | Details |
| DE3311543C2 | Method for the dynamic simulation of road driving values on… | Expired / Lapsed | 1983-03-30 | 1986-11-20 | 0 | Details |
| US4157840A | Motor vehicle wheel suspension arrangement | Expired / Lapsed | 1976-09-27 | 1979-06-12 | 34 | Details |
| US3727597A | Device for precipitating fuel from the vapor discharging fr… | Expired / Lapsed | 1970-05-08 | 1973-04-17 | 14 | Details |
| US2950794A | Speed control arrangement for tractor-type vehicles | Expired / Lapsed | 1958-03-11 | 1960-08-30 | 0 | Details |
| US2922316A | Steering column for motor vehicles | Expired / Lapsed | 1956-11-05 | 1960-01-26 | 0 | Details |
| US2241827A | Vehicle spring suspension | Expired / Lapsed | 1938-07-27 | 1941-05-13 | 0 | Details |
| US2235418A | Power transmission | Expired / Lapsed | 1939-12-08 | 1941-03-18 | 0 | Details |
| US2234591A | Self-locking differential mechanism | Expired / Lapsed | 1938-12-28 | 1941-03-11 | 0 | Details |
| US2133633A | Motor vehicle chassis | Expired / Lapsed | 1935-06-05 | 1938-10-18 | 0 | Details |
| DE615165C | Device for regulating the tension of torsion springs, espec… | Expired / Lapsed | 1933-10-19 | 1935-06-28 | 0 | Details |
| DE609444C | Progressive suspension, especially for motor vehicles | Expired / Lapsed | 1933-10-17 | 1935-02-15 | 0 | Details |
| US377160A | Tag hook or needle | Expired / Lapsed | — | 1888-01-31 | 0 | Details |