Assignee
VOLKSWAGENWERK AG
DE·314 granted patents·6,484 citations·filing 1972–1987
Top patents by PatentIndex Score
314 records- 0197US4249632ASafety device for the protection of pedestriansVOLKSWAGENWERK AG·Filed 1979·Granted Feb 10, 1981·134 cites·10 claims
- 0297US4093423ACatalytic device for the catalytic purification of exhaust gasesVOLKSWAGENWERK AG·Filed 1973·Granted Jun 6, 1978·91 cites·8 claims
- 0396US4593580ADevice for shifting without clutch and without synchronizing elements in a multiple gear ratio transmission of a vehicleVOLKSWAGENWERK AG·Filed 1985·Granted Jun 10, 1986·89 cites·3 claims
- 0494US4533011AHybrid drive for a vehicle, in particular an automobileVOLKSWAGENWERK AG·Filed 1980·Granted Aug 6, 1985·301 cites·33 claims
- 0594US4392394AEngine-gear arrangement for vehicles, in particular passenger carsVOLKSWAGENWERK AG·Filed 1980·Granted Jul 12, 1983·62 cites·8 claims
- 0694US4346773AApparatus for operating a motor vehicleVOLKSWAGENWERK AG·Filed 1980·Granted Aug 31, 1982·90 cites·3 claims
- 0794US4136652AFuel delivery systemVOLKSWAGENWERK AG·Filed 1976·Granted Jan 30, 1979·92 cites·3 claims
- 0893US4343387ADevice for automatic actuation of an automobile clutchVOLKSWAGENWERK AG·Filed 1980·Granted Aug 10, 1982·63 cites·10 claims
- 0993US4285545AAutomobile passenger seat with an automatically positioned headrestVOLKSWAGENWERK AG·Filed 1979·Granted Aug 25, 1981·98 cites·20 claims
- 1093US4256062AInternal combustion diesel engineVOLKSWAGENWERK AG·Filed 1979·Granted Mar 17, 1981·75 cites·6 claims
- 1192US4437443AFuel injection deviceVOLKSWAGENWERK AG·Filed 1981·Granted Mar 20, 1984·38 cites·9 claims
- 1292US4419558AApparatus and method for monitoring and controlling resistance spot weldingVOLKSWAGENWERK AG·Filed 1981·Granted Dec 6, 1983·62 cites·13 claims
- 1392US4400997ADrive for a vehicle with an internal combustion engine and an electric motorVOLKSWAGENWERK AG·Filed 1980·Granted Aug 30, 1983·63 cites·15 claims
- 1492US4351281AMethod and system for operation of a spark-ignited internal combustion engineVOLKSWAGENWERK AG·Filed 1981·Granted Sep 28, 1982·40 cites·16 claims
- 1592US4332222ACamshaft for an internal combustion engineVOLKSWAGENWERK AG·Filed 1979·Granted Jun 1, 1982·72 cites·16 claims
- 1691US4295551AAutomatic clutch systemVOLKSWAGENWERK AG·Filed 1979·Granted Oct 20, 1981·55 cites·12 claims
- 1791US4281941ADevice for high thermal stress connection between a part made of a ceramic material and a part made of a metallic materialVOLKSWAGENWERK AG·Filed 1979·Granted Aug 4, 1981·70 cites·14 claims
- 1891US4142756AArrangement for closing the inlet pipe of a containerVOLKSWAGENWERK AG·Filed 1977·Granted Mar 6, 1979·62 cites·9 claims
- 1991US4002433AHeat shield for a catalytic emission control deviceVOLKSWAGENWERK AG·Filed 1975·Granted Jan 11, 1977·77 cites·4 claims
- 2090US4418966APump-less hydraulic brake system for automobilesVOLKSWAGENWERK AG·Filed 1982·Granted Dec 6, 1983·69 cites·6 claims
- 2190US4296716AInternal combustion engine for an automobile with a divided oil panVOLKSWAGENWERK AG·Filed 1979·Granted Oct 27, 1981·56 cites·12 claims
- 2290US4252208AMethod and apparatus for operating a motor vehicleVOLKSWAGENWERK AG·Filed 1978·Granted Feb 24, 1981·35 cites·24 claims
- 2389US4499965AHybrid drive arrangementVOLKSWAGENWERK AG·Filed 1982·Granted Feb 19, 1985·58 cites·5 claims
- 2489US4023652ABumper arrangement for vehicles with at least one deformation tubeVOLKSWAGENWERK AG·Filed 1975·Granted May 17, 1977·76 cites·1 claims
- 2588US4192139ACombustion chamber for gas turbinesVOLKSWAGENWERK AG·Filed 1977·Granted Mar 11, 1980·132 cites·8 claims
- 2687US4411171AVehicle driveVOLKSWAGENWERK AG·Filed 1981·Granted Oct 25, 1983·104 cites·9 claims
- 2787US4344397AMethod for operation of a spark-ignited internal combustion engine and arrangement for execution of the methodVOLKSWAGENWERK AG·Filed 1980·Granted Aug 17, 1982·33 cites·12 claims
- 2887US4287765AAccelerometer and evaluation circuitVOLKSWAGENWERK AG·Filed 1980·Granted Sep 8, 1981·105 cites·5 claims
- 2987US3983962AFrame members for vehiclesVOLKSWAGENWERK AG·Filed 1975·Granted Oct 5, 1976·59 cites·3 claims
- 3086US4611633AExpansion hose for reduction of pressure pulsationsVOLKSWAGENWERK AG·Filed 1984·Granted Sep 16, 1986·50 cites·1 claims
- 3186US3942819ASafety belt tensioning deviceVOLKSWAGENWERK AG·Filed 1974·Granted Mar 9, 1976·41 cites·3 claims
- 3284US4222358AFuel injection systemVOLKSWAGENWERK AG·Filed 1978·Granted Sep 16, 1980·22 cites·2 claims
- 3384US4095482ARack and pinion steering apparatusVOLKSWAGENWERK AG·Filed 1976·Granted Jun 20, 1978·39 cites·3 claims
- 3483US3998485ABumper arrangement for a vehicle equipped with longitudinal membersVOLKSWAGENWERK AG·Filed 1975·Granted Dec 21, 1976·67 cites·5 claims
- 3583US3971588AFrame for the body of a vehicleVOLKSWAGENWERK AG·Filed 1974·Granted Jul 27, 1976·32 cites·8 claims
- 3682US4517938ARotary valve arrangementVOLKSWAGENWERK AG·Filed 1983·Granted May 21, 1985·29 cites·15 claims
- 3782US4426585ACircuit for generating a rotating field for a three phase synchronous motor serving as a flywheel starter for a vehicle internal combustion engineVOLKSWAGENWERK AG·Filed 1982·Granted Jan 17, 1984·41 cites·8 claims
- 3882US4297877AForce measuring hubVOLKSWAGENWERK AG·Filed 1979·Granted Nov 3, 1981·52 cites·3 claims
- 3982US4261315AMethod and apparatus for controlling the operation of an internal combustion engine with spark ignitionVOLKSWAGENWERK AG·Filed 1979·Granted Apr 14, 1981·17 cites·10 claims
- 4082US4010986ABearing arrangement for a vehicle wheelVOLKSWAGENWERK AG·Filed 1975·Granted Mar 8, 1977·35 cites·3 claims
- 4181US4323278ASeat for vehicles, in particular two-door passenger automobilesVOLKSWAGENWERK AG·Filed 1980·Granted Apr 6, 1982·40 cites·3 claims
- 4281US4183332AIntake systemVOLKSWAGENWERK AG·Filed 1978·Granted Jan 15, 1980·22 cites·12 claims
- 4380US4113071AStayVOLKSWAGENWERK AG·Filed 1976·Granted Sep 12, 1978·48 cites·5 claims
- 4479US4232881ASuspension arrangement for motor vehiclesVOLKSWAGENWERK AG·Filed 1978·Granted Nov 11, 1980·46 cites·2 claims
- 4579US4214906AMethod of producing an article which comprises a first zone of a nonoxide ceramic material and a second zone of a softer materialVOLKSWAGENWERK AG·Filed 1975·Granted Jul 29, 1980·26 cites·16 claims
- 4679US4182288AMixture-compressing, spark-ignited internal combustion engine having a combined throttle and compression controlVOLKSWAGENWERK AG·Filed 1978·Granted Jan 8, 1980·34 cites·8 claims
- 4779US4061054ASteering wheelVOLKSWAGENWERK AG·Filed 1976·Granted Dec 6, 1977·30 cites·8 claims
- 4879US4059095ADevice for utilizing the heat energy of solar radiationVOLKSWAGENWERK AG·Filed 1976·Granted Nov 22, 1977·45 cites·27 claims
- 4979US3985476ARotary internal combustion engine with valved inlet through pistonVOLKSWAGENWERK AG·Filed 1975·Granted Oct 12, 1976·25 cites·6 claims
- 5079US3947056AImpact-element for the protection of the occupant of a vehicleVOLKSWAGENWERK AG·Filed 1974·Granted Mar 30, 1976·29 cites·11 claims
Showing the top 50 of 314 patent records by PatentIndex Score.
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