GP ACOUSTICS (UK) LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 7100
 
  
 
1401 EQUIPMENT FOR THE RECORDING OR REPRODUCTION OF SOUNDS OR PICTURES449
 
  
 
B26B HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR 136
 
  
 
G10K SOUND-PRODUCING DEVICES 134

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9794680 Loudspeaker bass reflex systemFeb 25, 15Oct 17, 17[H04R, G10D]
9743174 Acoustic phase plugFeb 19, 14Aug 22, 17[H04R]
9467782 Electro acoustic diaphragmFeb 19, 14Oct 11, 16[H04R]
8942407 Loudspeaker and diaphragm thereforApr 26, 11Jan 27, 15[B26B, G10K, H04R]
8121316 Phase plugApr 13, 07Feb 21, 12[H04R]
8121330 Phase plug for compression driverApr 13, 07Feb 21, 12[H04R]
D615532 Tangerine wave guideJan 29, 09May 11, 10[1401]
D606975 LoudspeakerApr 09, 09Dec 29, 09[1401]
D547746 LoudspeakerApr 20, 06Jul 31, 07[1401]
D547747 LoudspeakerApr 20, 06Jul 31, 07[1401]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8139784 Compound loudspeakerExpiredJun 21, 06Mar 20, 12[H04R]
2006/0153,410 Apparatus and method for moisture controlin an enclosure for e.g. loudspeakersAbandonedOct 02, 03Jul 13, 06[H04R]

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