Wilkhahn Wilkening + Hahne GmbH + Co.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A47C CHAIRS 845
 
  
 
A47B TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE 250
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 148
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0095,442 COMBINATION COMPRISING A SEAT, A PORTABLE DEVICE WHICH COMPRISES A MOVEMENT SENSOR AND AN EVALUATION DEVICE AND A METHOD WHICH CAN BE CARRIED OUT USING THE COMBINATIONOct 02, 15Apr 07, 16[A47C, G05B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9713380 ChairMar 11, 15Jul 25, 17[A47C]
9700138 Seating furniture productFeb 12, 16Jul 11, 17[A47C]
9504330 ChairFeb 21, 12Nov 29, 16[A47C]
D709712 Piece of seating furnitureApr 16, 13Jul 29, 14[0601]
8651577 Adjustment deviceFeb 23, 10Feb 18, 14[A47C]
8025335 ChairFeb 02, 10Sep 27, 11[A47C]
7770973 ChairMay 18, 07Aug 10, 10[A47C]
D610816 ChairMar 18, 09Mar 02, 10[0601]
D610817 ChairMar 18, 09Mar 02, 10[0601]
D609926 ChairApr 15, 09Feb 16, 10[0601]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0273,190 CHAIRAbandonedMay 18, 07Nov 29, 07[A47C]
2003/0000,434 TableAbandonedJun 13, 02Jan 02, 03[A47B]
5366274 Synchronous adjusting device for office chairs or the likeExpiredApr 07, 93Nov 22, 94[A47C]
5251958 Synchronous adjusting device for office chairs or the likeExpiredAug 29, 91Oct 12, 93[A47C]
5195801 Tiltable chairExpiredOct 24, 91Mar 23, 93[A47C]
4915034 Table systemExpiredSep 04, 87Apr 10, 90[A47B]
4662679 Variable seating arrangementExpiredOct 11, 85May 05, 87[A47C]
D286106 Arm-chairExpiredNov 04, 83Oct 14, 86[]
D285629 Arm-chairExpiredNov 04, 83Sep 16, 86[]
4603830 Spring mounting apparatusExpiredSep 10, 84Aug 05, 86[F16M]
4552406 ChairExpiredJan 18, 83Nov 12, 85[A47C]
4509793 ChairExpiredMay 16, 83Apr 09, 85[A47G]
D274768 Tubular netting chairExpiredMar 26, 82Jul 24, 84[]
4451085 ChairExpiredMar 17, 81May 29, 84[A47C]
4432582 Chair with means for adjusting the inclination of the backrestExpiredDec 17, 81Feb 21, 84[A47C]
4408797 Furniture article with padding attached to a supporting shellExpiredFeb 09, 81Oct 11, 83[A47C]

Top Inventors for This Owner

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