SPERIAN HEARING PROTECTION, LLC (DELAWARE LIMITED LIABILITY COMPANY)

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 3237
 
  
 
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 3137
 
  
 
G07F COIN- FREED OR LIKE APPARATUS 256
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 2105
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 139
 
  
 
G02C SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES 148
 
  
 
2401 APPARATUS AND EQUIPMENT FOR DOCTORS, HOSPITALS AND LABORATORIES132

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8413331 Earbud and method of manufactureDec 22, 11Apr 09, 13[H04R]
D654163 EarplugDec 09, 10Feb 14, 12[2401]
6123168 Banded hearing protectorJun 30, 97Sep 26, 00[H04R]
D413379 Combined earplug and insertion stemMay 08, 98Aug 31, 99[2404]
D405521 Dual earplugJun 23, 97Feb 09, 99[2404]
D400248 Band earplugOct 22, 97Oct 27, 98[2404]
5811742 Dual earplugOct 02, 97Sep 22, 98[A61F, A61B]
D395657 Cap for banded earplugJun 03, 93Jun 30, 98[1401]
5724119 Earmuff-eyeglass combinationJul 12, 96Mar 03, 98[G02C]
5704069 Cover for sealing ring of an earmuffJun 14, 95Jan 06, 98[A61F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0314,298 HEADPIECE FOR USE IN ASSOCIATION WITH A HEARING CAPAbandonedNov 28, 07Dec 24, 09[A61F, A42B]
2009/0038,625 Earplug with shell and insertion stemAbandonedAug 09, 07Feb 12, 09[A61F]
2008/0276,945 Lateral sliding adjustable earplugAbandonedMay 11, 07Nov 13, 08[A61F]
2007/0157,365 Cap for hearing protectionAbandonedDec 08, 06Jul 12, 07[A42B]
2007/0119,464 Enhanced earplug with bendable stiffenerAbandonedJan 30, 07May 31, 07[A61F]
2006/0202,375 Extruded and shaped earplugAbandonedFeb 24, 06Sep 14, 06[B29C]
6981504 Core stiffened earplugExpiredJun 16, 04Jan 03, 06[A61F]
2005/0230,181 Length adjustable earplug cordAbandonedApr 07, 05Oct 20, 05[H04R, A61B]
2003/0029,460 Extruded earplugAbandonedAug 01, 02Feb 13, 03[A61F]
6345684 Checkable earplugExpiredMay 09, 00Feb 12, 02[A61F, A61B]
6299019 Hollow handle earplug dispenserExpiredMay 03, 00Oct 09, 01[A24F]
D372776 Multi-cone earplugExpiredOct 15, 92Aug 13, 96[]
D371840 Multi-cone earplugExpiredJun 16, 94Jul 16, 96[]
D341656 Multi winged earplugExpiredJan 13, 92Nov 23, 93[]
D340282 EarplugExpiredApr 09, 91Oct 12, 93[]
D335342 EarplugExpiredMay 20, 91May 04, 93[]
4774938 Slow recovery earplug with largely impenetrable surfaceExpiredApr 09, 87Oct 04, 88[A61F]

Top Inventors for This Owner

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