Fichtel & Sachs AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION3031
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 2170
 
  
 
B60G VEHICLE SUSPENSION ARRANGEMENTS 1140
 
  
 
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 291
 
  
 
F16H GEARING298
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS248
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B60R VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5878856 Flywheel device with a system of plain bearingsMar 07, 97Mar 09, 99[F16F]
5857665 Self-pumping hydropneumatic shock absorbing strut with internal level regulationDec 19, 96Jan 12, 99[F16F]
5799766 Arrangement for the attachment of a flywheel to a crankshaftMay 22, 96Sep 01, 98[B60K, F16D, F16F]
5794743 Shock absorber or vibration damperApr 05, 96Aug 18, 98[F16F]
5779017 Friction clutch for a motor vehicleApr 22, 96Jul 14, 98[F16D]
5765674 Membrane spring clutch for a motor vehicleMar 29, 96Jun 16, 98[F16D]
5743367 Multiple plate friction clutch with axial stopMay 21, 96Apr 28, 98[F16D]
5735540 Dual-circuit hydraulic system for an active vehicle suspension control systemApr 04, 96Apr 07, 98[B60G]
5725080 Clutch for motor vehicles having a clutch disc with spring elements connected in seriesMar 22, 96Mar 10, 98[F16D, F16F]
5715920 Friction clutch with auxiliary spring to assist the release forceDec 21, 95Feb 10, 98[F16D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6200222 Two part flywheel for a motor vehicle, the two part flywheel having a torsional vibration damperExpiredApr 13, 99Mar 13, 01[F16D]
6092637 Clutch with a sealing element, in particular an elastomer seal for use in annular cylinders such as in clutchesExpiredJul 08, 97Jul 25, 00[F16D, F16J]
6070863 Shock-absorbing strut for a motor vehicleExpiredFeb 06, 99Jun 06, 00[B60G]
6035979 Vibration damper and a vibration damper with a damping valve having an adjustable damping forceExpiredJun 19, 97Mar 14, 00[F16F]
6026338 System to control a chassis vibration damping deviceExpiredOct 24, 96Feb 15, 00[B60G]
6019683 Two part flywheel for a motor vehicle, the two part flywheel having a torsional vibration damperExpiredMar 07, 97Feb 01, 00[F16D]
5988340 Two components of a cylinder for a hydraulically operated friction clutch assembly having scored running surface for minimizing noiseExpiredJul 17, 97Nov 23, 99[F16D]
5988343 Clutch disc with a torsional vibration damper for a motor vehicle friction clutchExpiredApr 03, 97Nov 23, 99[F16D]
5964333 Friction clutch and a slave cylinder for the operation of a friction clutchExpiredJun 05, 97Oct 12, 99[F16D]
5960922 Hydraulic cylinder such as a clutch master or servant cylinder in a motor vehicle having a bleed elementExpiredMay 20, 97Oct 05, 99[F15B]
5944610 Two-mass flywheel for a motor vehicle, which two-mass flywheel has an opening to receive lubricantExpiredMar 20, 97Aug 31, 99[F16D]
5941356 Pressure plate assembly for a motor vehicle friction clutch having a wear sensor and a device for protecting the wear sensor during shipment and a method for shipping the pressure plate assemblyExpiredApr 18, 97Aug 24, 99[F16D]
5937988 Throttle device for hydraulic actuator systems and for hydraulic actuator systems of clutches of motor vehiclesExpiredSep 02, 97Aug 17, 99[F16K, F15B, F16D, F16F]
5927457 Pressure plate arrangement for a motor vehicle friction clutch with automatic wear compensationExpiredJun 23, 97Jul 27, 99[F16D]
5915488 Hybrid non-rail tired vehicle with safety mechanismExpiredJan 26, 96Jun 29, 99[B60K]
5911293 Motor vehicle friction clutch with automatic wear adjustmentExpiredMar 14, 97Jun 15, 99[F16D]
5899308 Friction clutch for a motor vehicleExpiredJul 10, 95May 04, 99[F16D, B16K]
5893435 Vibration damper for a motor vehicle, the vibration damper having a decompression stop boundary bracketExpiredDec 20, 96Apr 13, 99[F16F]
5884741 Friction clutch for a motor vehicle with wear adjustmentExpiredMar 20, 97Mar 23, 99[F16D]
5884743 Clutch plate with centering featureExpiredDec 09, 96Mar 23, 99[F16D]

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