Audi NSU Auto Union Aktiengesellschaft

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 182

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE31320 Self-regulating heaterMar 25, 81Jul 26, 83[F02M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4638174 Switching device for lighting the interior of a motor vehicleExpiredFeb 25, 85Jan 20, 87[B60Q]
4602596 Reciprocating piston-internal combustion engine with variable compression ratioExpiredFeb 08, 85Jul 29, 86[F02D]
4596427 Receptacle of the drawer type, especially for motor vehiclesExpiredJan 12, 84Jun 24, 86[A47B]
4573440 Method for limiting the speed of an internal combustion engine in a vehicle and device for sameExpiredJun 11, 85Mar 04, 86[F02M]
4548100 Transmission for motor vehiclesExpiredSep 20, 84Oct 22, 85[F16H]
4543925 Light-alloy cylinder head for reciprocating piston internal combustion enginesExpiredAug 29, 84Oct 01, 85[F01L]
4527936 Automatic plant for stacking sheet metal pressingsExpiredMay 05, 83Jul 09, 85[B23Q, B65H]
4524979 Cylinder head gasket for internal combustion enginesExpiredJun 14, 84Jun 25, 85[F21B]
4519646 Rearward facing collapsible vehicle back seatExpiredNov 24, 82May 28, 85[B60N]
4517469 Circuit for a current consuming device in a motor vehicleExpiredMay 10, 83May 14, 85[B60Q]
4516034 Circuit for operating a displaceable component in a motor vehicle, in particular a motor vehicle windowExpiredNov 07, 83May 07, 85[E05F]
4504370 Method and apparatus for electrochemical machiningExpiredFeb 03, 84Mar 12, 85[B23P]
4498435 Fuel-injection internal-combustion engineExpiredOct 15, 82Feb 12, 85[F02M]
4481807 Internal combustion engine with a knocking sensorExpiredMay 04, 82Nov 13, 84[G01L]
4467248 Variable electronic flash light equipmentExpiredApr 09, 81Aug 21, 84[H05B]
4446828 Reciprocating internal combustion engineExpiredNov 24, 82May 08, 84[F01M]
4437644 Electrically operable valveExpiredJul 29, 80Mar 20, 84[F16K]
4428254 Planetary transmissionExpiredSep 29, 80Jan 31, 84[F16H]
4427150 Motor vehicle with a combustion engineExpiredNov 25, 81Jan 24, 84[F02N, G05D]
4415148 Resilient mountings for machines or machine components, particularly engines in motor vehiclesExpiredDec 14, 81Nov 15, 83[F16F]

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