Volkswagenwerk Aktiengesellschaft

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR265
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
B60K ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS; AUXILIARY DRIVES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST, OR FUEL SUPPLY, OF PROPULSION UNITS, IN VEHICLES 192

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8634968 Communication system for a motor vehicleMar 11, 05Jan 21, 14[G06F]
8515617 Motor vehicle control systemMar 11, 05Aug 20, 13[G01M]
7539564 Device and method for central on-board diagnosis for motor vehiclesJan 14, 04May 26, 09[G01M]
7295903 Device and method for on-board diagnosis based on a modelJan 14, 04Nov 13, 07[G06F]
RE32175 (Pneumatic) hydraulic control system for an automatic vehicle transmissionSep 30, 83Jun 10, 86[B60K, E16D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4754740 Device for continuous fuel injectionExpiredOct 27, 87Jul 05, 88[F02M]
4740039 Hydraulic dual-circuit brake system for automobilesExpiredOct 07, 86Apr 26, 88[B60T]
4646706 System for continuous fuel injectionExpiredMay 23, 84Mar 03, 87[F02M]
4638719 Unbalanced hydraulic amplifier valve assemblyExpiredOct 30, 85Jan 27, 87[F15B]
4616617 Method and arrangement for combustion chamber identification in an internal combustion engineExpiredApr 08, 85Oct 14, 86[F02M]
4611633 Expansion hose for reduction of pressure pulsationsExpiredNov 02, 84Sep 16, 86[F16L]
4606304 One-piece engine blockExpiredNov 18, 81Aug 19, 86[F01M, F02F]
4605087 All-wheel drive system for vehiclesExpiredMay 09, 84Aug 12, 86[B60K]
4602522 Transmission with overdriveExpiredMay 01, 81Jul 29, 86[F16H]
4593580 Device for shifting without clutch and without synchronizing elements in a multiple gear ratio transmission of a vehicleExpiredJun 17, 85Jun 10, 86[B60K]
4589703 Hydraulic brake pressure regulatorExpiredFeb 15, 84May 20, 86[B60T]
4585281 Pressure-operated brake system for automobilesExpiredApr 13, 84Apr 29, 86[B60T]
4570762 Cage for a roller brake freewheelExpiredSep 11, 84Feb 18, 86[F16D]
4557874 Distribution system for a two-phase fluid mixtureExpiredMay 23, 84Dec 10, 85[F02M]
4543855 Method for operating a vehicle having an automatic, continuously variable gear ratio transmissionExpiredMar 31, 83Oct 01, 85[B60K]
4544299 Traction- and pressure-transmitting link joint between two structural components executing joint movementsExpiredJul 18, 83Oct 01, 85[F02F, F16J]
4536708 Apparatus for obtaining an information on the motion of a moving element, preferably for rotational speed of a rotating element in an automobileExpiredAug 10, 84Aug 20, 85[G01P]
4532741 Window pane mounting for vehiclesExpiredAug 27, 84Aug 06, 85[B60J]
4533011 Hybrid drive for a vehicle, in particular an automobileExpiredOct 24, 80Aug 06, 85[B60K]
4531605 Arrangement for driving the generator of a vehicle, in particular a passenger automobileExpiredSep 07, 82Jul 30, 85[B60K]

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