DEWERT ANTRIEBS- UND SYSTEMTECHNIK GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 193

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D514146 Drive gearOct 02, 03Jan 31, 06[1509]
6954049 Electric motor drive for a piece of furnitureNov 29, 02Oct 11, 05[G05B]
5528449 Arrangement for separating a control device from an AC mains supplyMay 26, 94Jun 18, 96[H01H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0309,178 Geared MotorAbandonedJul 10, 06Dec 18, 08[H02K]
2007/0285,035 Electromotive Linear DriveAbandonedApr 16, 05Dec 13, 07[A47C]
2006/0208,677 Furniture item, and adjustment mechanism for a furniture itemAbandonedNov 18, 05Sep 21, 06[H02P, G05B]
6840575 Seat-recliner fitting that can be adjusted by a motorExpiredMar 04, 03Jan 11, 05[A47C]
6693552 Hand-held control deviceExpiredAug 11, 00Feb 17, 04[G08C]
2003/0052,626 Electromotive drive unitAbandonedSep 17, 02Mar 20, 03[H02P]
6513398 Electromotive adjustment assemblyExpiredNov 03, 00Feb 04, 03[F16H]
6513790 Electromotive adjustment assemblyExpiredNov 03, 00Feb 04, 03[B66F]
6481797 Power-driven armchair with an improved structureExpiredMay 19, 00Nov 19, 02[A47C]
6452293 Linear driveExpiredAug 11, 00Sep 17, 02[H02K]
6452350 Linear driveExpiredOct 16, 00Sep 17, 02[H02K, H02N]
2002/0066,325 Twin screw spur gear driveAbandonedNov 20, 01Jun 06, 02[F16H]
6377010 Electromotive drive for a furniture itemExpiredNov 03, 00Apr 23, 02[H02K, H02P]
6300732 Dual power unit for movement of a back and footrest in armchairs and the likeExpiredMay 30, 00Oct 09, 01[H02P]
6257085 Electromotive drive mechanism for a body of furnitureExpiredOct 05, 99Jul 10, 01[F16C, F16H]
6100607 Safety method and device for full-voltage power supply to a user apparatus only when required, and control assembly comprising such a safety deviceExpiredMay 22, 98Aug 08, 00[H02J]
5901610 Electromotive drive mechanism for a piece of furnitureExpiredFeb 24, 97May 11, 99[F16H]
5481769 Lifting apparatusExpiredJan 12, 94Jan 09, 96[A61G]
D358824 Dual drive for a lath grid for furniture of reposeExpiredMay 27, 93May 30, 95[]
5305482 Lifting deviceExpiredMar 24, 92Apr 26, 94[A61G]

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