SKF Industrial Trading and Development Company 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
 
  
 
C10M LUBRICATING COMPOSITIONS 346
 
  
 
C22C ALLOYS 270
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR166

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6149311 Rolling element bearing having at least one rolling element which is harder than the other rolling elements and harder than the racesNov 20, 97Nov 21, 00[F16C]
6090755 Use of bismuth compounds in extreme pressure grease lubricant compositions for rolling bearing applications with extended service lifeOct 04, 96Jul 18, 00[C10M]
5971619 Single row bearing ring with monitoring deviceJan 20, 98Oct 26, 99[F16C]
5967670 Rolling element bearing having at least one rolling element having a hardness greater than the hardness of the other rolling elementsMay 07, 97Oct 19, 99[F16C]
5874391 Polymer thickened lubricating greaseSep 11, 95Feb 23, 99[C10M]
5773394 Conducting polymer-thickened grease compositionsMar 10, 97Jun 30, 98[C10M]
5698788 Method for analysing regularly recurring mechanical vibrationsNov 21, 95Dec 16, 97[G01M]
5649772 Rolling bearing with oil sealOct 17, 95Jul 22, 97[F16C]
5529401 Rolling element bearing comprising an oil containing matrixNov 22, 94Jun 25, 96[F16C]
5456766 Process for carbonitriding steelMay 23, 94Oct 10, 95[C22C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5971620 Rolling element bearing comprising a zirconium materialExpiredMay 06, 97Oct 26, 99[F16C]
5882491 Electrode for electrochemical machining, method of electrochemical machining with said electrode, a bearing and a method of determining a profile using said electrodeExpiredOct 21, 97Mar 16, 99[C25B]
5879533 Method of electrochemical machining and bearing manufactured with said methodExpiredOct 21, 97Mar 09, 99[B23H]
5860747 Grease lubricated rolling element bearing comprising a cage coated with a solid lubricant containing coatingExpiredOct 21, 97Jan 19, 99[F16C]
5846918 Polymer thickened lubricants for high operating temperaturesExpiredMar 05, 97Dec 08, 98[C10M]
5822861 Method of manufacturing a roller bearingExpiredAug 29, 94Oct 20, 98[F16C]
5803616 Grease retainer and taper roller bearing having sameExpiredApr 28, 97Sep 08, 98[F16C]
5722780 Cage for rolling element bearingExpiredDec 09, 96Mar 03, 98[F16C]
5720530 Hub unit with connection by means of cup springExpiredDec 15, 95Feb 24, 98[B60B]
5667313 Bearing assembly for a vehicle hubExpiredJun 14, 95Sep 16, 97[F16C]
5618488 Method of manufacturing a seal for a roller bearingExpiredAug 29, 94Apr 08, 97[B29C]
5590967 Bearing unit for a vehicle wheelExpiredMay 03, 95Jan 07, 97[F16C]
5549398 Bearing arrangement, roller bearings for use therein, and a method for the manufacture of a part of the bearing arrangementExpiredAug 03, 94Aug 27, 96[F16C]
5513918 Roller element bearing with water repellent filter sealExpiredDec 09, 94May 07, 96[F16C]
5492416 Rolling element bearing system with a filtering sealExpiredNov 30, 93Feb 20, 96[F16C]
5486053 Bearing unit for a vehicle wheelExpiredMar 17, 93Jan 23, 96[B60K, F16C]
5184505 Method and device for determining the quality of a specific lubricant for application in rolling bearings of a specific typeExpiredMay 28, 91Feb 09, 93[G01N]
5180980 Method and apparatus for magnetically measuring the thickness of a high relative permeability lubricant film between two relatively moving surfacesExpiredJun 06, 91Jan 19, 93[G01B, G01R]
5167496 Screw compressor with fluid bearingsExpiredOct 28, 91Dec 01, 92[F04C]
5156571 Homokinetic coupling with flat spherical roller elements and radial spring force actionExpiredMar 13, 91Oct 20, 92[F16D]

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