FEDERAL-MOGUL FRIEDBERG GMBH

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS545
 
  
 
C22C ALLOYS 270
 
  
 
F02F CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES 233
 
  
 
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

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0069,456 PISTON RING HAVING VARYING ATTRIBUTESApr 09, 14Mar 10, 16[F16J]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8317942 Ledeburite cast iron with a high carbide content and an evenly distributed graphite embodimentFeb 08, 06Nov 27, 12[C21D, C22C]
6976681 Slide ring seal assembly including a radial, rotation preventing arrangementJan 23, 02Dec 20, 05[F16J]
6726216 Piston ring with oxide-nitride composite layerJun 03, 02Apr 27, 04[F02F, F16J]
6354259 Cylinder liner for combustion engines and manufacturing methodApr 10, 01Mar 12, 02[F02F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2006/0022,413 Slide ring packingAbandonedJul 29, 05Feb 02, 06[F16J]
6921078 Slip ring sealExpiredAug 18, 03Jul 26, 05[F16J]
2004/0201,175 Drive sealAbandonedJan 09, 04Oct 14, 04[F16J]
6479165 Arc spraying methodExpiredApr 10, 01Nov 12, 02[C23C, B32B]

Top Inventors for This Owner

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