SKF Kugellagerfabriken GmbH

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4955786 Drive device for pumpsExpiredAug 16, 89Sep 11, 90[F04D]
4729252 Bearing for the shaft of a machine elementExpiredJan 29, 81Mar 08, 88[F16H]
4673301 Supporting memberExpiredFeb 27, 84Jun 16, 87[F16C, F16H]
4654181 Method for the manufacture of rollersExpiredOct 23, 84Mar 31, 87[B29F, B29C]
4640632 Arrangement for the axial positioning and holding of a machine part in a thin wall sleeve or the likeExpiredApr 19, 82Feb 03, 87[F16C]
4635331 Method for the production of a guide railExpiredDec 14, 83Jan 13, 87[B21D]
4633695 Tool for the separation of tubesExpiredNov 15, 84Jan 06, 87[B23B, B23P, B21B]
4621402 Apparatus and method for assembling universal jointsExpiredSep 14, 84Nov 11, 86[B23Q, B21D]
4618335 Tension-adjusting device for driving beltExpiredOct 15, 84Oct 21, 86[F16H]
4611932 Bearing bushing for universal jointsExpiredDec 13, 84Sep 16, 86[F16L, F16D]
4610646 Roller, especially a tension roller for a belt driveExpiredAug 24, 81Sep 09, 86[F16H]
4607737 Hydraulically operating release arrangement, especially for a vehicle clutchExpiredJul 28, 83Aug 26, 86[F16D]
4605113 Clutch release, in particular for automobile clutchesExpiredApr 25, 84Aug 12, 86[F16D]
4605321 Roller bearing for seating a pedal bearing shaftExpiredFeb 27, 84Aug 12, 86[F16C]
4591352 Tension rollerExpiredMay 18, 81May 27, 86[F16H]
4589860 Gear and method for making the sameExpiredMay 31, 84May 20, 86[F16H]
4586833 Prong-type cage for rolling bearingsExpiredFeb 27, 84May 06, 86[F16C]
4584749 Method for making cages for rolling bearingsExpiredJul 19, 84Apr 29, 86[B26D, B21K, B21D]
4580757 Apparatus for molding a roller with bearingsExpiredOct 23, 84Apr 08, 86[B29C]
4576268 Sliding sleeve for clutch shiftersExpiredDec 02, 82Mar 18, 86[F16D]

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