JOH. WINKLHOFER & SOHNE GMBH UND CO. KG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16H GEARING397
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 166
 
  
 
C22C ALLOYS 171
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 154

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7534181 Chain drive with chain wheel and aligned support wheelNov 23, 05May 19, 09[F16H]
7490715 Link chain with improved wear resistance and method of manufacturing sameMar 10, 06Feb 17, 09[B65G]
7473197 Tensioning rail applied by injection moldingJun 07, 04Jan 06, 09[F16H]
6889642 Slide rail with two compression regionsJun 14, 02May 10, 05[F01L]
6855081 Articulated chainOct 09, 02Feb 15, 05[E16G, C22C]
5984817 Chain wheelDec 03, 97Nov 16, 99[F16H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0113,837 Tension or Guide Rail with an Installation ChannelAbandonedJan 21, 05May 15, 08[F16H]
2007/0082,775 Timing chain driveAbandonedOct 03, 06Apr 12, 07[F16H]
2007/0072,715 Chain driveAbandonedSep 22, 06Mar 29, 07[F16H]
7186195 Chain-tensioner with mechanical lockingExpiredSep 03, 02Mar 06, 07[F16H]
2007/0042,848 Anti back bend driving chainAbandonedAug 18, 06Feb 22, 07[F16G]
2006/0079,365 Roller chain with large plate heightAbandonedAug 29, 05Apr 13, 06[F16G]
6981584 Slat conveyor chainExpiredJul 23, 02Jan 03, 06[B65G]
6955622 Preassembled drive means unit including a mounting aidExpiredApr 24, 03Oct 18, 05[B66F, F16H]
2005/0176,539 Sprocket chain comprising nitrated joint pinsAbandonedApr 25, 05Aug 11, 05[F16G]
2005/0170,922 Tensioner having a tensioning pressure control valveAbandonedFeb 28, 05Aug 04, 05[F16H]
6810654 Chain assembly method for joining a flat link articulated chainExpiredJul 19, 02Nov 02, 04[B21L]
6743133 Chain drive, especially a camshaft/camshaft drive for a motor vehicleExpiredApr 25, 02Jun 01, 04[F16H]
6736255 Conveyor system for feeding small parts to a chain assembly unitExpiredFeb 04, 02May 18, 04[B65G]
6669011 Conveying systemExpiredMay 17, 02Dec 30, 03[B65G]
6629596 Conveyor chainExpiredApr 15, 02Oct 07, 03[B65G]
6490853 Method for joining a flat-link articulated chain elementExpiredApr 12, 01Dec 10, 02[B21L]
6330788 Plate chains with wear-resistant chain jointsExpiredMay 22, 00Dec 18, 01[F16G]
6223515 Link ChainExpiredFeb 14, 00May 01, 01[F16G]
6196376 Support deviceExpiredFeb 08, 99Mar 06, 01[B65G]
6196380 Apron-conveyor chainExpiredApr 26, 99Mar 06, 01[B65G]

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