Electronic-Werke Deutschland GmbH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 1106

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5315663 Passive loudspeaker enclosure for a television receiverFeb 08, 91May 24, 94[H04R]
5166802 Television receiver with loudspeaker enclosureMay 03, 91Nov 24, 92[H04N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5400414 LoudspeakerExpiredFeb 14, 92Mar 21, 95[H04R]
4993003 Apparatus for updating time-of-day information in a signalExpiredAug 07, 89Feb 12, 91[G04C]
4987525 Switching power supplyExpiredMar 26, 90Jan 22, 91[H02M]
4919369 Loudspeaker mounting mechanismExpiredJun 02, 89Apr 24, 90[H04R]
4866780 Loudspeaker unitExpiredSep 27, 88Sep 12, 89[H04R]

Top Inventors for This Owner

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