ZF SACHS AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 190

Top Patents (by citation)

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7021422 Clutch systemOct 30, 01Apr 04, 06[F16D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7823709 Bellows for hydraulic, hydropneumatic, or pneumatic piston-cylinder unitsExpiredFeb 13, 04Nov 02, 10[F16F]
7472768 Drive system, especially for a motor vehicleExpiredNov 29, 06Jan 06, 09[B60K]
7182190 Vibration damper with fire safety deviceExpiredApr 08, 04Feb 27, 07[F16F]
7172057 Vibration damper with amplitude-dependent damping forceExpiredDec 17, 03Feb 06, 07[F16F]
7172060 Pressure plate assemblyExpiredJun 29, 04Feb 06, 07[F16D]
7147093 Centrifugal clutchExpiredJun 04, 04Dec 12, 06[F16D]
7143886 Arrangement for generating actuation force in a centrifugal clutchExpiredJun 04, 04Dec 05, 06[F16D]
7140482 Centrifugal clutchExpiredJun 04, 04Nov 28, 06[F16D]
7135794 Spring support having a height-adjustable spring plateExpiredAug 13, 03Nov 14, 06[H02K]
7121552 Piston ringExpiredDec 04, 03Oct 17, 06[F16J]
7118099 Selfpumping hydropneumatic spring strut with internal level controlExpiredSep 23, 03Oct 10, 06[F16F]
7077248 Suspension strut unit with a stop bufferExpiredFeb 24, 04Jul 18, 06[F16F]
7063199 Centrifugal clutchExpiredJun 04, 04Jun 20, 06[F16D]
7021443 Clutch systemExpiredAug 06, 02Apr 04, 06[F16D]
7021448 Clutch disk for a friction clutchExpiredDec 01, 03Apr 04, 06[F16D]
7017719 Vibration damper with adjustable damping forceExpiredDec 22, 03Mar 28, 06[F16F]
7017725 Centrifugal clutchExpiredJun 04, 04Mar 28, 06[F16D]
7017892 Suspension strut with stop bufferExpiredAug 28, 02Mar 28, 06[B60G]
7014025 Pressure plate assembly for a friction clutchExpiredFeb 26, 04Mar 21, 06[F16D]
7007784 Positive separator for multiple disc clutchesExpiredMar 18, 05Mar 07, 06[F16D]

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