INA Walzlager Schaeffler KG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 1852
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 1243
 
  
 
F16H GEARING694
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 487
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 165
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
B61B RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR 117
 
  
 
C22C ALLOYS 171
 
  
 
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 150

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6827053 Camshaft control device and control valve with leakage compensationDec 15, 03Dec 07, 04[F01L]
6202538 Radial piston pumpAug 03, 99Mar 20, 01[F01B]
6116787 Thrust rolling bearingFeb 17, 98Sep 12, 00[F16C]
5970930 Device for changing the opening and closing times of the gas-exchange valves in an internal-combustion engineApr 03, 98Oct 26, 99[F01L]
5967923 Tensioner for belts and chainsFeb 14, 97Oct 19, 99[F16H]
5934233 Apparatus for adjusting the basic position of a camshaft adjustment unit of an internal combustion engineMar 02, 98Aug 10, 99[F01L]
5915348 Adjusting cylinder of a camshaft adjusting device acted upon by a separate oil supply unitOct 08, 97Jun 29, 99[F01L]
5894662 Method of making a trunnionJun 18, 96Apr 20, 99[B23P]
5860399 Hydraulic clearance compensation elementJul 11, 97Jan 19, 99[F01L]
5823151 Valve gear cam follower in an internal combustion engineOct 20, 97Oct 20, 98[F01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6039664 Tensioning device for traction systems such as belts and chainsExpiredDec 15, 97Mar 21, 00[F16H]
5993067 Release bearing for actuating gearshift clutch of an automotive vehicleExpiredJul 23, 97Nov 30, 99[F16C]
5987887 Master cylinderExpiredFeb 17, 98Nov 23, 99[B60T]
5988884 Guide rail arrangementExpiredDec 03, 97Nov 23, 99[A47C, F16C]
5954020 Cup-shaped tappetExpiredJun 09, 97Sep 21, 99[F01L]
5935009 Tripod constant velocity universal jointExpiredNov 07, 96Aug 10, 99[F16D]
5921577 Clamping device for a steering columnExpiredSep 25, 97Jul 13, 99[B62D]
5896836 Arrangement in camshaft adjusters for preventing starting noisesExpiredAug 18, 97Apr 27, 99[F01L]
5896973 Clamp-type locking mechanism, in particular for adjusting a seat positionExpiredMay 15, 97Apr 27, 99[F16D, B60N]
5890463 Tappet with a hydraulic valve clearance compensation elementExpiredOct 07, 97Apr 06, 99[F01L]
5887688 Synchronizing device for manual transmissionsExpiredNov 19, 96Mar 30, 99[F16D]
5885009 Cage for cylindrical rolling elementsExpiredNov 17, 97Mar 23, 99[F16C]
5879086 Axial rolling bearingExpiredSep 05, 97Mar 09, 99[F16C]
5839835 Self-aligning ball bearingExpiredSep 16, 97Nov 24, 98[F16C]
5832884 Device and method for operating a valve drive of an internal combustion engineExpiredOct 01, 96Nov 10, 98[F01L]
5829398 Valve timing control device for gas exchange valves on an internal combustion engineExpiredOct 23, 96Nov 03, 98[F01L]
5829399 Pressure fluid supply system for a variable camshaft adjustmentExpiredDec 11, 96Nov 03, 98[F01L]
5829400 Valve gear for an internal combustion engineExpiredNov 25, 97Nov 03, 98[F01L]
5819898 Locking roller overrunning clutchExpiredMar 06, 97Oct 13, 98[F16D]
5803032 Pressure medium sealing in a camshaft adjusting deviceExpiredOct 07, 97Sep 08, 98[F01L]

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