Racal Acoustics Limited

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
1401 EQUIPMENT FOR THE RECORDING OR REPRODUCTION OF SOUNDS OR PICTURES251
 
  
 
A61F FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS 1139
 
  
 
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

Publication # Title Filing Date Pub Date Intl Class
2016/0270,959 EARPIECENov 07, 14Sep 22, 16[A61F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7978870 Attachment apparatusOct 18, 05Jul 12, 11[H04R]
D611933 Ear pieceDec 03, 08Mar 16, 10[1401]
D609699 Ear pieceDec 03, 08Feb 09, 10[1401]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0235,818 ATTACHMENT APPARATUSAbandonedJun 06, 11Sep 29, 11[H04R]
7447529 Modular communications devicesExpiredDec 14, 01Nov 04, 08[H04M]
2006/0239,446 Headwear apparatusAbandonedFeb 21, 06Oct 26, 06[H04M]
2005/0273,910 CushionsAbandonedOct 07, 03Dec 15, 05[A42B]
2004/0062,388 Audio handheld deviceAbandonedOct 28, 03Apr 01, 04[H04M]
4672674 Communications systemsExpiredJan 27, 83Jun 09, 87[G10L]
D286877 Combination telephone handset and connectorExpiredJul 05, 84Nov 25, 86[]
D284756 Cable connectorExpiredMar 25, 83Jul 22, 86[]
D284612 HelmetExpiredJul 19, 83Jul 15, 86[]
4513413 Communication set and methodExpiredNov 02, 82Apr 23, 85[H04J]
D264587 Hinged boom arm for a microphone headsetExpiredAug 24, 79May 25, 82[D140]

Top Inventors for This Owner

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