MEILOON INDUSTRIAL CO., LTD.

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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 1097
 
  
 
G10K SOUND-PRODUCING DEVICES 233
 
  
 
B42F SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING 116

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9743178 Waterproof speakerMay 19, 16Aug 22, 17[H04R]
9628902 Passive radiator structureSep 22, 15Apr 18, 17[H04R]
8731230 Loudspeaker structure with inner frameAug 09, 11May 20, 14[H04R]
8520877 Resonant structure for loudspeakerApr 20, 12Aug 27, 13[H04R]
7146020 Structure for the sound coil of loudspeakerNov 20, 02Dec 05, 06[H04R]
6963651 Single magnetic circuit dual output speakerSep 30, 03Nov 08, 05[H04R]
6694039 LoudspeakerJan 24, 03Feb 17, 04[H04R]
6634456 Vibrating diaphragm of false speaker structureFeb 09, 01Oct 21, 03[G10K]
6580803 Structure for changing sound quality of speakerOct 06, 00Jun 17, 03[H04R]
6526151 High stability loudspeakerJun 29, 00Feb 25, 03[H04R]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0127,832 SPEAKER DIAPHRAGM SUPPORTING STRUCTUREAbandonedOct 30, 14May 05, 16[H04R]
8490938 In-ceiling, in-wall one button installerExpiredNov 16, 10Jul 23, 13[B42F]
8107666 Embedded sound boxExpiredMar 09, 09Jan 31, 12[A47B, H04R, A47H, H05K]
2010/0213,335 SWIVELABLE FIXING SEATAbandonedFeb 20, 09Aug 26, 10[F16M]
7252383 Wireless audio output assembly for projectorsExpiredDec 20, 04Aug 07, 07[G03B]
2006/0133,639 Diaphragm for loudspeaker - magnesium alloy base and multi-layers ceramic structureAbandonedDec 17, 04Jun 22, 06[H04R]
2005/0263,342 Speaker fixture assemblyAbandonedMay 26, 04Dec 01, 05[H05K]
6959991 Integrated projectorExpiredNov 26, 03Nov 01, 05[H04N]
6866116 Structure for quick-assembly cabinetExpiredNov 20, 02Mar 15, 05[A47B]
6845151 Picture/sound output equipment with caller identification and volume adjustment functionsExpiredFeb 06, 02Jan 18, 05[H04M]
2004/0146,176 Paper-honeycomb-paper sandwich multi-layer loudspeaker cone structureAbandonedJan 24, 03Jul 29, 04[H04R]
6647124 Loudspeaker with coaxial magnetic circuit for high-pitch sound and low-pitch soundExpiredMay 06, 02Nov 11, 03[H04R]
6607051 Yoke structure of a speaker diaphragmExpiredOct 06, 00Aug 19, 03[G10K]
2003/0021,436 Laminated aluminum polypropylene (LAP) multi-layers loudspeaker diaphragmAbandonedJul 25, 01Jan 30, 03[H04R]
6487299 Quick-detachable structure for on-wall speaker panelExpiredApr 03, 00Nov 26, 02[H04R]

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