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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Health & Medicine
Class Information
Number: 128/865
Name: Surgery > Body protecting or restraining devices for patients or infants (e.g., shields, immobilizers) > Head or face protector (e.g., lips, ears, etc.) > Aural protectors (e.g., ear) > Inflatable or expandable
Description: Subject matter wherein the ear protector means within the ear canal is distended or expanded by the application of fluid pressure to seal said canal or retain the protector within the canal.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8631801 Pressure regulating systems for expandable insertion devices Jan. 21, 2014
8616214 Earplug having a resilient core structure Dec. 31, 2013
8142870 Energy responsive conformal device Mar. 27, 2012
8122892 Water absorbing ear plugs Feb. 28, 2012
8025120 Stethoscope and antimicrobial cover Sep. 27, 2011
7984716 Self-conforming sound attenuation earplug Jul. 26, 2011
7861723 Apparatus, system and method for detecting and treating airway obstructive conditions during sleep Jan. 4, 2011
7779844 Self-fitting device for location in an ear canal Aug. 24, 2010
7515951 Assembly, system, and method for optimizing image quality Apr. 7, 2009
7475686 Earplug Jan. 13, 2009
7314047 Hearing protection device Jan. 1, 2008
7210484 Baffled earplug May. 1, 2007
7096872 Ear plugs and method of forming same Aug. 29, 2006
7093600 Device for non-invasively correcting the shape of a human external ear Aug. 22, 2006
6981504 Core stiffened earplug Jan. 3, 2006
6938621 Disposable plug for warming the inner ear Sep. 6, 2005
6761173 Ear plug to be inserted into the external auditory canal Jul. 13, 2004
6568395 Multiple earplug arrangement May. 27, 2003
6513621 Method of producing and making use of ear tips having a filled airtight chamber Feb. 4, 2003
6484726 Articulating earplug Nov. 26, 2002
6427800 Ear plug and method of manufacturing an ear plug Aug. 6, 2002
6425398 Earplug Jul. 30, 2002
6364052 Earplugs with surface ornamentation Apr. 2, 2002
6164409 Wax guard membrane for hearing aids Dec. 26, 2000
6138790 Band earplug adapted to prevent soiling Oct. 31, 2000
6129175 Acoustical control plastisol earpieces Oct. 10, 2000
6068079 Acoustic valve capable of selective and non-linear filtering of sound May. 30, 2000
5996584 Sealing strip for ear plugs and the like Dec. 7, 1999
5904143 Foam earplug with non-permeable elastomeric coating May. 18, 1999
5868139 Device for a swimmer to conveniently remove water from his or her ear Feb. 9, 1999
5799658 Hearing protective device comprising a foam and a porous component and method of manufacture thereof Sep. 1, 1998
5609164 Method of forming an earplug containment device Mar. 11, 1997
5573015 Extruded ear plug Nov. 12, 1996
5483027 Earplug with form-fitting fluid chambers Jan. 9, 1996
5452731 Disposable, hygroscopic ear plug including tear-away portion Sep. 26, 1995
5333622 Earplug and hearing devices formed in-situ Aug. 2, 1994
5249309 Ear defender Oct. 5, 1993
5195539 Earplug compression device Mar. 23, 1993
5131411 Custom-fitting earplug formed in situ using foaming action Jul. 21, 1992
5119833 Compressible foam earplug Jun. 9, 1992
4920985 Device for closing a curved duct May. 1, 1990
4913165 Underwater eardrum protector Apr. 3, 1990
4896679 Method and apparatus for the exclusion of sound and water from the auditory canal Jan. 30, 1990
4406282 Earplug for an underwater diver Sep. 27, 1983
4384575 Ear protection plug and a method for the production of same May. 24, 1983
4299237 Closed flow caloric test device Nov. 10, 1981
4244377 Ear probe for use in closed-loop caloric irrigation Jan. 13, 1981
4190033 Closed flow caloric test method Feb. 26, 1980
4159719 Moisture-expandable ear wick Jul. 3, 1979
4089332 Pneumatic shaping ear plug May. 16, 1978

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