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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 4060080 |
Plug for living body |
Nov. 29, 1977 |
| 4034759 |
Moisture-expandable prosthesis |
Jul. 12, 1977 |
| 4006796 |
Earpiece which substantially consists of a thin-walled flexible capsule filled with a liquid medium |
Feb. 8, 1977 |
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