SKF Engineering and Research Centre B.V.

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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 565
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 254
 
  
 
B23H WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL 219
 
  
 
C22C ALLOYS 270
 
  
 
B60B VEHICLE WHEELS 131
 
  
 
B62D MOTOR VEHICLES; TRAILERS 190
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 144
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7275319 Rolling element bearing having starved lubrication conditionsOct 24, 05Oct 02, 07[B21D]
7264399 Rolling element bearing having starved lubrication conditionsJun 12, 01Sep 04, 07[F16C]
7024771 Method of manufacturing a rolling element bearing with improved rolling contact surfacesFeb 25, 02Apr 11, 06[B21D]
7017704 Steering device for a drive-by-wire vehicleMay 18, 01Mar 28, 06[B62D]
6837946 Method for the production of a part of a rolling bearingSep 30, 02Jan 04, 05[C21D, C22C]
6705761 Bearing with integral transformerMay 29, 01Mar 16, 04[F16C]
6695590 Lubricant pump having piston with radial through openingApr 19, 02Feb 24, 04[F04B]
6561559 Bearing unit, in particular railway axlebox bearing unit, having improved anti-fretting behaviorOct 17, 00May 13, 03[B60B]
6461048 Cage with improved grease retentionJun 27, 00Oct 08, 02[F16C]
6371656 Rolling element bearing with improved rolling contact surfacesMar 23, 00Apr 16, 02[F16C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7052427 Electric screw actuator systemExpiredApr 11, 01May 30, 06[F16H]
7021416 Vehicle control with manual back upExpiredApr 11, 01Apr 04, 06[B62D]
6932184 Electric steering system with mechanical back-up deviceExpiredJul 13, 01Aug 23, 05[B62D]
6920801 Measurement device for measuring radial and/or axial forcesExpiredNov 30, 01Jul 26, 05[G01L]
6907967 Compact actuatorExpiredJan 27, 00Jun 21, 05[F60L]
6848557 Clutch actuator unitExpiredDec 11, 02Feb 01, 05[F16D, F16H]
6837342 Actuator having a central support and brake calliper comprising such actuatorExpiredApr 17, 02Jan 04, 05[F16D]
6837818 Continuously variable transmission systemExpiredFeb 19, 02Jan 04, 05[F16H]
6814190 Screw actuator, and brake caliper comprising such actuatorExpiredFeb 23, 01Nov 09, 04[F16D]
6763918 Actuator having compact gear reductionExpiredOct 12, 01Jul 20, 04[F15D]
6739436 Actuator comprising a sleeve supportExpiredMay 16, 02May 25, 04[F16D]
2004/0076,356 Method for assembling a double row angular contact rolling element bearing unit, and bearing unit manufactured according to said methodAbandonedJan 13, 03Apr 22, 04[F16C]
6719103 Actuator with misalignment compensationExpiredMay 24, 02Apr 13, 04[F16D]
6691837 Screw actuator with lubricant dosing, and brake calliperExpiredJul 06, 01Feb 17, 04[F16D]
6691848 One-way clutchExpiredApr 18, 02Feb 17, 04[F16D]
6689000 Pulley set for a continuously variable transmission unitExpiredSep 17, 01Feb 10, 04[F16H]
6684988 Drum brake and electric actuator thereforExpiredJun 19, 02Feb 03, 04[B60L]
6666308 Modular actuator, and brake calliper comprising such actuatorExpiredApr 20, 00Dec 23, 03[F16D]
6626778 Continuously variable transmission unitExpiredAug 23, 01Sep 30, 03[F16H]
2003/0176,152 Method for finishing the surface of a rolling contact componentAbandonedNov 08, 02Sep 18, 03[B24B]

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