NEUMAYER TEKFOR HOLDING GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 982
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 748
 
  
 
F16H GEARING694
 
  
 
B21K MAKING FORGED OR PRESSED PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS, WHEELS 518
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 452
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 367
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 254
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 247
 
  
 
B23G THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH 18
 
  
 
B25B TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING143

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9273770 Method for producing a functional shaftApr 12, 13Mar 01, 16[B23P, B25B, F01L, F16C, F16H]
9205812 Parking lockApr 19, 13Dec 08, 15[B60T, F16D, F16H]
8966752 Shaft such as a camshaft for internal combustion enginesJan 22, 13Mar 03, 15[B23P, B21K, F01L, F16C, F16D, F16F, B21D]
8695547 Adjustable camshaftDec 21, 12Apr 15, 14[F01L]
8696472 Arrangement with joint and gearwheel bodyApr 24, 13Apr 15, 14[F16D]
8595934 Method of producing a composite bodySep 27, 11Dec 03, 13[B21K]
8555508 Method for producing an internal or external part of an opposed track jointJul 15, 10Oct 15, 13[B21K]
8550951 DifferentialApr 16, 10Oct 08, 13[F16H]
8523687 Constant velocity ball jointJul 14, 11Sep 03, 13[F16D]
8474136 Method for the fabrication of a camshaft and a corresponding camshaftDec 09, 11Jul 02, 13[B21D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8607749 CamshaftExpiredMay 24, 12Dec 17, 13[F01L]
2013/0281,252 Differential GearAbandonedJun 21, 13Oct 24, 13[F16H]
8459919 Fastening deviceExpiredDec 01, 11Jun 11, 13[F16B]
2013/0125,699 Method for the Manufacture of a CamshaftAbandonedJan 18, 13May 23, 13[B23Q, F16H]
8277330 Connecting arrangement between shaft journal and constant velocity rotary jointExpiredSep 22, 11Oct 02, 12[F16D]
8262487 Ball jointExpiredJan 09, 12Sep 11, 12[F16D]
8221250 Damper unit for a shaftExpiredMay 11, 11Jul 17, 12[F16D]
2012/0121,360 Fastening Device and Fastening SystemAbandonedJan 23, 12May 17, 12[F16B]
2012/0111,139 Camshaft and Corresponding Production MethodAbandonedJan 19, 12May 10, 12[B23P, F16H]
2012/0031,227 Connecting Rod Having a Press Fit and Method of Producing a Connecting RodAbandonedOct 21, 11Feb 09, 12[B23P, F16C]
8070614 Connecting arrangement between a shaft journal and a joint partExpiredAug 25, 10Dec 06, 11[F16D]
7867099 Connecting arrangement between a shaft journal and a joint partExpiredFeb 23, 09Jan 11, 11[F16D]
2010/0102,053 Combustion Chamber and Method for Production ThereofAbandonedDec 28, 09Apr 29, 10[B23K, B21D]
2010/0068,428 Method for Producing Hollow Shaft Base Bodies and Hollow Shaft Base Body Produced TherebyAbandonedNov 25, 09Mar 18, 10[B29D, B21D]
2010/0031,764 Composite BodyAbandonedOct 16, 09Feb 11, 10[F16H, B32B]
7610885 Variable drive for camshaftsExpiredMar 21, 08Nov 03, 09[F01L]
2009/0176,586 Torque Transmission Device Useful as a Fixed Constant Velocity Ball Joint Constructed as an Opposed Track Joint and Method for Producing Such a JointAbandonedJan 05, 09Jul 09, 09[B21K, F16D]
2008/0309,057 Combustion Chamber and Method for Production ThereofAbandonedMar 13, 08Dec 18, 08[B23P, B60R]
2008/0194,347 TRANSMISSION SUITABLE FOR A MOTOR VEHICLE, SHAFTS THEREFOR AND METHOD OF PRODUCING SUCH SHAFTSAbandonedFeb 04, 08Aug 14, 08[B23P, F16C]

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