VALEO UNISIA TRANSMISSIONS KABUSHIKI KAISHA

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 784
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION455
 
  
 
F16H GEARING199
 
  
 
G05G CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY 131

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6371857 Torsional vibration dampersJan 27, 00Apr 16, 02[F16D]
6280334 Flywheel for internal combustion engineOct 01, 99Aug 28, 01[F16D]
6223625 Torque transmitting and torsion damping apparatus for use in motor vehiclesSep 11, 98May 01, 01[F16D, F16F]
5682972 Torsional vibration dampening deviceJun 07, 96Nov 04, 97[F16D, F16H]
5598745 Flywheel with friction generating deviceMay 26, 94Feb 04, 97[G05G]
5597355 Torsional damper with guided friction blocksOct 25, 94Jan 28, 97[F16D, F16F]
5558579 Torsional damper having a resiliently coupled damper element and a friction generating device mounted within a padded window of the damper elementSep 07, 94Sep 24, 96[F16D]
5415062 Vibration damperJan 12, 94May 16, 95[F16F]
5203835 Lock-up torque converter for automatic transmissionMay 27, 92Apr 20, 93[F16D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2002/0010,028 Torsional vibration damperAbandonedJul 20, 01Jan 24, 02[F16D]
2001/0013,454 Clutch deviceAbandonedFeb 05, 01Aug 16, 01[F16D, F16H]
2001/0008,705 Welding constructionAbandonedJan 05, 01Jul 19, 01[B23K]
6220966 Torque transmitting and torsion damping apparatus with torsion damperExpiredSep 11, 98Apr 24, 01[F16D]
5839561 Automatic clutch systemExpiredApr 17, 97Nov 24, 98[B60K, F16D]
5707292 Vibration damping equipment for torsional damper, including a low rigidity memberExpiredJan 22, 96Jan 13, 98[F16D]
5520271 System for minimizing vibrations of crankshaftExpiredJul 11, 94May 28, 96[F16F]
5385018 Device for transmitting automotive engine driving torque for automatic power transmission with feature of absorption of torsional vibrationExpiredApr 26, 93Jan 31, 95[F16D]
5368146 Automotive power trainExpiredMar 30, 93Nov 29, 94[B60K, F16F]
5253740 Automotive power train with annular elastic body for reducing vibrations of flywheel assemblyExpiredSep 10, 91Oct 19, 93[B60K, F16F]
5245889 FlywheelExpiredApr 08, 92Sep 21, 93[F16F]
4966291 Slackless rotary drawbar assemblyExpiredAug 18, 89Oct 30, 90[B61G]
4951553 Friction clutch for transmissionExpiredMar 29, 89Aug 28, 90[F16D]

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