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Class Information
Number: 128/867
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) > With noise or pressure attenuating means (e.g., dampening, filtering, etc.)
Description: Subject matter including an ear protector having means to prevent injurious sound or a force of air waves from damaging the organ of hearing or means for normalizing pressure within said organ of hearing (e.g., ear cavity).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7614867 |
Earplug shaper and method of use |
Nov. 10, 2009 |
| 7602933 |
Conformable ear piece and method of using and making same |
Oct. 13, 2009 |
| 7510046 |
Low attenuating push-in earplug with integral handle |
Mar. 31, 2009 |
| 7475686 |
Earplug |
Jan. 13, 2009 |
| 7210484 |
Baffled earplug |
May. 1, 2007 |
| 7185655 |
Underwater ear prophylactic |
Mar. 6, 2007 |
| 7182087 |
Dual position hearing protection device |
Feb. 27, 2007 |
| 6981504 |
Core stiffened earplug |
Jan. 3, 2006 |
| 6938622 |
Earplug and apparatus with the earplugs |
Sep. 6, 2005 |
| 6902029 |
Retractable ear protection device |
Jun. 7, 2005 |
| 6691047 |
Calibration of pumps, such as blood pumps of dialysis machine |
Feb. 10, 2004 |
| 6425398 |
Earplug |
Jul. 30, 2002 |
| 6241042 |
Hearing protective device |
Jun. 5, 2001 |
| 6164409 |
Wax guard membrane for hearing aids |
Dec. 26, 2000 |
| 6151717 |
Transparent or translucent earmuff cup |
Nov. 28, 2000 |
| 6148446 |
Multi-position banded earmuff |
Nov. 21, 2000 |
| 6148821 |
Selective nonlinear attenuating earplug |
Nov. 21, 2000 |
| 6129175 |
Acoustical control plastisol earpieces |
Oct. 10, 2000 |
| 6129086 |
Ear pressure equalizer |
Oct. 10, 2000 |
| 6119805 |
Hearing protector adaptable to chair |
Sep. 19, 2000 |
| 6068079 |
Acoustic valve capable of selective and non-linear filtering of sound |
May. 30, 2000 |
| 5996123 |
Earmuff for noise blocking |
Dec. 7, 1999 |
| 5957136 |
Earplug |
Sep. 28, 1999 |
| 5881729 |
Water sports ear plug |
Mar. 16, 1999 |
| 5865183 |
Device for equalizing pressure across the eardrum of divers |
Feb. 2, 1999 |
| 5829062 |
Headband with dual material construction for supporting ear protectors |
Nov. 3, 1998 |
| 5819745 |
Pressure-regulating ear plug |
Oct. 13, 1998 |
| 5815842 |
Ear protection cap with improved sound absorption |
Oct. 6, 1998 |
| 5755234 |
Pressure-regulating ear plug |
May. 26, 1998 |
| 5647377 |
Noise suppressor apparatus |
Jul. 15, 1997 |
| 5628330 |
Apparatus for treating people afflicted with tinnitus |
May. 13, 1997 |
| 5551090 |
Ear protecting apparatus |
Sep. 3, 1996 |
| 5488961 |
Hydrophobic ear plugs |
Feb. 6, 1996 |
| 5467784 |
Pressure-regulating ear plug |
Nov. 21, 1995 |
| 5241971 |
Ear-protection cup for ear muffs or head-phones |
Sep. 7, 1993 |
| 5224495 |
Sun and sound shielding arrangement |
Jul. 6, 1993 |
| 5202362 |
Syringeable ear plug molding putty composition |
Apr. 13, 1993 |
| 4930520 |
Earpiece for auditory testing of infants |
Jun. 5, 1990 |
| 4870689 |
Ear wax barrier for a hearing aid |
Sep. 26, 1989 |
| 4702238 |
Earplug |
Oct. 27, 1987 |
| 4587965 |
Ear protector for keeping down sound and associated filter |
May. 13, 1986 |
| 4582053 |
Acoustic ear plug |
Apr. 15, 1986 |
| 4540063 |
Sound wave attenuation device |
Sep. 10, 1985 |
| 4498469 |
Ear plug as well as a method and apparatus for the production thereof |
Feb. 12, 1985 |
| 4441576 |
Nonlinear passive acoustic filtering |
Apr. 10, 1984 |
| 4437538 |
Ear-cap |
Mar. 20, 1984 |
| 4434794 |
Disposable ear plug |
Mar. 6, 1984 |
| 4353364 |
Ear acoustical attenuating device |
Oct. 12, 1982 |
| 4338929 |
Ear-plug |
Jul. 13, 1982 |
| 4215683 |
Ear-plug |
Aug. 5, 1980 |
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