BORG-WARNER AUTOMOTIVE TRANSMISSION & ENGINE COMPONENTS CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 946
 
  
 
F16G BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR722
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 685
 
  
 
F16H GEARING397
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5361735 Belt driven variable camshaft timing systemApr 16, 92Nov 08, 94[F01L]
5289805 Self-calibrating variable camshaft timing systemDec 16, 92Mar 01, 94[F01L]
5281481 Powder coating of thermosetting adhesives onto metal substrates to enable a friction material to be bonded to the metal substrateFeb 28, 92Jan 25, 94[F16D, B32B]
5263903 Chain-beltFeb 10, 93Nov 23, 93[F16G]
5246399 Two-stage torsional vibration damperDec 11, 91Sep 21, 93[F16D]
5234390 Gear transmission with undulating surface clutch and brake element connectionsJan 09, 92Aug 10, 93[F16D]
5207192 Variable camshaft timing system utilizing square-edged spool valveMay 15, 92May 04, 93[F01L]
5205249 Variable camshaft timing system for internal combustion engine utilizing flywheel energy for reduced camshaft torsionalsMay 14, 92Apr 27, 93[F01L]
5192252 Roller chain with randomized pitchOct 16, 91Mar 09, 93[F16G]
5184578 VCT system having robust closed loop control employing dual loop approach having hydraulic pilot stage with a PWM solenoidMar 05, 92Feb 09, 93[F01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5381876 Anchor in automatic transmission bandsExpiredDec 08, 93Jan 17, 95[F16D]
5347702 Method of producing a transmission brake bandExpiredJun 18, 93Sep 20, 94[B23P]
5346040 One-piece transmission bandExpiredSep 23, 93Sep 13, 94[F16D]
5277664 Hydraulic tensioner with a molded valve base and capExpiredFeb 04, 93Jan 11, 94[F16H]
5263557 Anchor for automatic transmission bandsExpiredNov 19, 92Nov 23, 93[F16D]
5259820 Hydraulic tensioner having a variable orifice check valve and a double helix internal ratchetExpiredMay 19, 92Nov 09, 93[F16H]
5226856 Roller chain constructed with nylon rollersExpiredJul 15, 92Jul 13, 93[F16G]
5199317 Forward and reverse power shift transmissionExpiredJun 22, 92Apr 06, 93[F16H]
5176236 Facing material for wet clutch plate and methods for fabricating and applying sameExpiredJan 09, 92Jan 05, 93[F16D]
5154674 Power transmission chain constructed with asymmetrical linksExpiredApr 25, 90Oct 13, 92[F16G]
5101953 High capacity viscous pumping groove pattern for a wet clutchExpiredMar 13, 90Apr 07, 92[F16D]
5092434 Control strategies for a dual range infinitely variable transmissionExpiredJan 30, 91Mar 03, 92[B60K]
5078237 Automatic transmission bandsExpiredJun 28, 90Jan 07, 92[F16D]
5078248 Clutch and brake componentsExpiredJan 07, 91Jan 07, 92[F16D]
5070974 Hydraulic torsional vibration damperExpiredSep 19, 90Dec 10, 91[F16D, F16H]
5061226 Chain-beltExpiredMar 20, 90Oct 29, 91[F16G]
5055088 Spring blade chain tensionerExpiredJun 08, 90Oct 08, 91[F16H]
5048654 Ceramic clutch separator platesExpiredJul 20, 90Sep 17, 91[F16D]
5046460 Variable camshaft timing for internal combustion engineExpiredSep 19, 90Sep 10, 91[F01L]
5040500 Torque pulse compensated camshaftExpiredAug 02, 90Aug 20, 91[F01L]

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