Inventor · disambiguated record
Rolf Fassbender
Also filed as: FASSBENDER ROLF · LANG ARMIN
18 granted patents·172 citations·filing 1975–1995
94Inventor score
Files withZAHNRADFABRIK FRIEDRICHSHAFEN18
Top patents by PatentIndex Score
18 records- 0175US4553389AHydrostatic auxiliary steering apparatusZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1982·Granted Nov 19, 1985·27 cites·10 claims
- 0273US4798256AHydrostatic auxiliary steering deviceZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1987·Granted Jan 17, 1989·30 cites·3 claims
- 0364US4073140AConnecting valve for reserve pumpZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1976·Granted Feb 14, 1978·17 cites·1 claims
- 0456US4558631AControl system for two hydraulic power cylinders supplied by a pressure pump via one branch connection eachZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1982·Granted Dec 17, 1985·14 cites·2 claims
- 0553US4189983AServomotor pressure control responsive to piston travelZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1977·Granted Feb 26, 1980·9 cites·8 claims
- 0650US4306840AAutomatic connecting valve for hydraulic systemsZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1979·Granted Dec 22, 1981·8 cites·13 claims
- 0748US4553390AHydrostatic steering arrangementZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1984·Granted Nov 19, 1985·10 cites·17 claims
- 0847US5195556APressure relief valveZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1992·Granted Mar 23, 1993·12 cites·4 claims
- 0946US4232584AControl element for auxiliary power steeringsZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1979·Granted Nov 11, 1980·8 cites·5 claims
- 1046US4068678AValve for hydraulic systemsZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1976·Granted Jan 17, 1978·8 cites·22 claims
- 1139US4705129AHydrostatic steering arrangement, especially for motor vehiclesZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1986·Granted Nov 10, 1987·7 cites·15 claims
- 1237US5697287AHydraulic power cylinderZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1995·Granted Dec 16, 1997·5 cites·3 claims
- 1335US4189982AFeed pressure bypass valving for servomotorsZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1977·Granted Feb 26, 1980·3 cites·7 claims
- 1433US5072586AHydrostatic servo-assisted steering system, particularly for motor vehiclesZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1988·Granted Dec 17, 1991·4 cites·5 claims
- 1532US4495769ABooster power steeringZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1981·Granted Jan 29, 1985·3 cites·2 claims
- 1629US4466243AHydrostatic power steering system with curved valve return springsZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1981·Granted Aug 21, 1984·1 cites·9 claims
- 1724US5072585AHydrostatic auxiliary-power steering deviceZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1988·Granted Dec 17, 1991·3 cites·10 claims
- 1823US3989414APump for servo steeringZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1975·Granted Nov 2, 1976·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →