KS KOLBENSCHMIDT GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F02F CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES 2018
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 947
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS842
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 324
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 299
 
  
 
F01P COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES 238
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B21K MAKING FORGED OR PRESSED PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS, WHEELS 122
 
  
 
B22C FOUNDRY MOULDING 127

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0234,264 Coating for Components of Internal Combustion EnginesOct 16, 15Aug 17, 17[C23C, F02F]
2017/0182,555 LAYER-BY-LAYER PRODUCTION METHOD DURING LASER MELTING (SLS) IN GRAVITY DIE CASTING OPERATIONSMay 27, 15Jun 29, 17[B29C, B22F]
2017/0173,665 Method of Producing a Cooling Channel System for Internal Combustion Engines and Piston Produced in This WayMar 06, 17Jun 22, 17[B23P, B21K, F02F]
2017/0051,702 PISTON WITH AN OPEN COOLING CHAMBER HAVING A FLOW-EFFECTIVE OIL GUIDING SURFACE AND METHOD FOR COOLING SAID PISTONFeb 20, 15Feb 23, 17[F01P, F02F]
2016/0245,223 PISTON FOR AN INTERNAL COMBUSTION ENGINE, AND PRODUCTION METHOD THEREFOROct 13, 14Aug 25, 16[F02F]
2016/0138,516 METHOD FOR PRODUCING AN OXIDATION PROTECTION LAYER FOR A PISTON FOR USE IN INTERNAL COMBUSTION ENGINES AND PISTON HAVING AN OXIDATION PROTECTION LAYERJun 13, 14May 19, 16[C23C, C25D, B05D, F02F]
2015/0224,589 METHOD FOR PRODUCING AN ARBITRARY GEOMETRY ON PISTONS OF INTERNAL COMBUSTION ENGINESFeb 13, 15Aug 13, 15[B23P, B23H, F02F]
2015/0107,106 METHOD FOR PRODUCING A PISTON WITH A COOLING DUCTMay 08, 13Apr 23, 15[B23P]
2015/0027,401 PISTON AND CONNECTING ROD FOR AN INTERNAL COMBUSTION ENGINEAug 03, 12Jan 29, 15[F02F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9670871 Two-part steel piston for internal combustion enginesSep 14, 12Jun 06, 17[F02F, F16J]
9518531 Piston for internal combustion enginesNov 06, 12Dec 13, 16[B23P, F02B, F02F]
9255545 Piston skirt coating consisting of a low-friction running-in layer and a low-wear base layerSep 23, 11Feb 09, 16[C10M, F02F, F16J]
9238283 Friction welded steel piston having optimized cooling channelApr 07, 09Jan 19, 16[B23P, F01P, F02F]
8973548 Piston upper part of an assembled or welded piston with extended cooling spacesFeb 02, 11Mar 10, 15[F01B, F02F, B22C]
8925511 Internal combustion engine piston with cooling channel said piston comprising a sealing element sealing the cooling channelSep 15, 09Jan 06, 15[F02F]
8789273 Piston for internal combustion engines, produced by means of a multi-orbital friction welding methodJan 30, 09Jul 29, 14[B23P]
8683913 Piston for an internal combustion engineAug 02, 06Apr 01, 14[F16J]
8443715 Piston-pin bore dimensions for a piston of an internal combustion engineAug 30, 06May 21, 13[F16J]
8387585 Piston of an internal combustion engine with an increased inclination of the box walls of the pistonJun 14, 08Mar 05, 13[F02F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0328,302 PISTON OF TWO-PIECE CONSTRUCTION FOR AN INTERNAL COMBUSTION ENGINEAbandonedJun 07, 17Nov 16, 17[F01P, F02F]
2016/0069,294 TWO-PART STEEL PISTON, JOINING PROCESSAbandonedMar 14, 14Mar 10, 16[F02F]
2015/0047,597 METHOD AND MACHINE TOOL FOR MACHINING A ROTATIONALLY ASYMMETRICAL REGIONAbandonedSep 11, 12Feb 19, 15[B23B, B23P, F02F]
2014/0326,130 FUNCTIONALLY OPTIMIZED DESIGN OF A CYLINDER LINERAbandonedSep 14, 12Nov 06, 14[B21D, F02F, F16J]
2014/0238,332 METHOD FOR PRODUCING A COOLING-DUCT PISTON AND ASSOCIATED PISTONAbandonedMay 03, 12Aug 28, 14[F02F]
2013/0263,814 COMBUSTION-CHAMBER BOWL RIM AND OF A COMBUSTION CHAMBER BOWL BASE OF A PISTON OF AN INTERNAL COMBUSTION ENGINEAbandonedOct 05, 11Oct 10, 13[F02F]
8485088 Cooling channel piston for an internal combustion engine and method for the production thereofExpiredJun 21, 07Jul 16, 13[B23P, F16J]
2013/0133,610 METHOD FOR PRODUCING A COOLING CHANNEL SYSTEM FOR INTERNAL COMBUSTION ENGINES AND PISTON PRODUCED IN THIS WAYAbandonedJul 18, 11May 30, 13[B21K, F02F]
2013/0062,218 METHOD FOR PRODUCING AN ARBITRARY GEOMETRY ON PISTONS OF INTERNAL COMBUSTION ENGINESAbandonedFeb 12, 11Mar 14, 13[B23H, C25F]
2012/0187,110 METHOD FOR PRODUCING A PISTON OF AN INTERNAL COMBUSTION ENGINE BY MEANS OF AN INDUCTIVE ENERGY SUPPLY AND LASER BEAMAbandonedJun 10, 10Jul 26, 12[H05B]
2012/0180,748 PROTECTIVE LAYER AGAINST HOT GAS CORROSION IN THE COMBUSTION CHAMBER OF AN INTERNAL COMBUSTION ENGINEAbandonedMar 23, 12Jul 19, 12[B82Y, C09D, F02F]
8011288 Piston, especially cooling channel piston, comprising three friction-welded zonesExpiredSep 17, 05Sep 06, 11[F02F, F16J]
2011/0203,545 Method For Manufacturing A Piston Of An Internal Combustion Engine, Comprising An Improved Aluminum Silicon AlloyAbandonedSep 03, 09Aug 25, 11[B23P, F02F]
2011/0146,845 FLUX AND METHOD FOR THE REDUCTION OF OXIDE LAYERS ON METALLIC SURFACESAbandonedMay 25, 07Jun 23, 11[B23K, B22D]
2010/0299,922 COOLING DUCT PISTON FOR AN INTERNAL COMBUSTION ENGINEAbandonedOct 18, 06Dec 02, 10[B23P, B21K, F02F]
2010/0275,873 SIMPLE FRICTIONAL WELDAbandonedSep 29, 05Nov 04, 10[B23P, F02F]
2010/0154,940 MELT-TREATED RIM OF A PISTON COMBUSTION BOWLAbandonedApr 25, 08Jun 24, 10[H05B, C22F, C21D]
2010/0101,527 LOAD-OPTIMIZED INTERIOR OF A PISTONAbandonedMar 22, 08Apr 29, 10[F02F, F16J]
2010/0050,975 METHOD FOR PRODUCING A CAST PART, IN PARTICULAR A PISTON BLANKAbandonedJul 04, 07Mar 04, 10[B22D, F02F, F16J]
2010/0037,765 METHOD FOR THE PRODUCTION OF A PISTON OF AN INTERNAL COMBUSTION ENGINE IN ORDER TO FORM A REINFORCEMENT OF A COMBUSTION CHAMBER CAVITY OF THE PISTONAbandonedOct 25, 05Feb 18, 10[B23P, F16J]

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