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Class Information
Number: 381/325
Name: Electrical audio signal processing systems and devices > Hearing aids, electrical > Specified casing or housing > Cerumen protection
Description: Subject matter having a barrier or means to prevent the hearing aid from being harmed by earwax.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7558394 |
Systems and methods for in situ cerumen removal from hearing devices |
Jul. 7, 2009 |
| 7551747 |
Perforated cap for a hearing aid |
Jun. 23, 2009 |
| 7499561 |
Hearing aid with cerumen protection |
Mar. 3, 2009 |
| 7471800 |
Wax barrier system |
Dec. 30, 2008 |
| 7443993 |
Tool for insertion and removal of a hearing aid ear wax guard and a method for its use |
Oct. 28, 2008 |
| 7418105 |
Sheath for in-ear device |
Aug. 26, 2008 |
| 7313245 |
Intracanal cap for canal hearing devices |
Dec. 25, 2007 |
| 7296653 |
Sound control apparatus |
Nov. 20, 2007 |
| 7292701 |
Filter manipulator, filter, holder for a number of filter manipulators, and system comprising a filter manipulator and a holder for a filter manipulator |
Nov. 6, 2007 |
| 7215789 |
Disposable extended wear canal hearing device |
May. 8, 2007 |
| 7113611 |
Disposable modular hearing aid |
Sep. 26, 2006 |
| 7082206 |
Flexible hearing aid tip with an integral receiver |
Jul. 25, 2006 |
| 7074296 |
In-ear hearing aid and method for its manufacture |
Jul. 11, 2006 |
| 7058366 |
Wireless terminal providing sound pressure level dissipation through channeled porting of sound |
Jun. 6, 2006 |
| 7020299 |
Cerumen protection system for hearing aids |
Mar. 28, 2006 |
| 7013016 |
Ear wax guard |
Mar. 14, 2006 |
| 6940988 |
Semi-permanent canal hearing device |
Sep. 6, 2005 |
| 6931142 |
Insert earphone |
Aug. 16, 2005 |
| 6891956 |
Cerumen protection system for hearing aid devices |
May. 10, 2005 |
| 6879697 |
Hearing aid with a face plate that is automatically manufactured to fit the hearing aid shell |
Apr. 12, 2005 |
| 6879696 |
In-ear hearing aid and method for its manufacture |
Apr. 12, 2005 |
| 6865279 |
Hearing aid with a flexible shell |
Mar. 8, 2005 |
| 6863151 |
Method for manufacturing an ear device and ear device |
Mar. 8, 2005 |
| 6827178 |
Method for manufacturing an ear device and ear device |
Dec. 7, 2004 |
| 6813364 |
Electric/acoustic transducer module, in-ear hearing aid and method for manufacturing an in-ear hearing aid |
Nov. 2, 2004 |
| 6795562 |
Ear wax guard for an in-the-ear hearing aid and a means for use at insertion and removal hereof |
Sep. 21, 2004 |
| 6754357 |
Expandable in-ear device |
Jun. 22, 2004 |
| 6738488 |
Protection and solvent washing of in-canal hearing aids |
May. 18, 2004 |
| 6724902 |
Canal hearing device with tubular insert |
Apr. 20, 2004 |
| 6671381 |
Sleeve for hearing aids, and a method and apparatus for testing hearing |
Dec. 30, 2003 |
| 6585075 |
Hearing aid having hard mounted speaker and energy absorbing tip |
Jul. 1, 2003 |
| 6574343 |
Hearing aid |
Jun. 3, 2003 |
| 6532295 |
Method for fitting a universal hearing device shell and conformal tip in an ear canal |
Mar. 11, 2003 |
| 6520282 |
Sound enhancement mechanism for speaker sound system |
Feb. 18, 2003 |
| 6449373 |
Protection and solvent washing of in-canal hearing aids |
Sep. 10, 2002 |
| 6164409 |
Wax guard membrane for hearing aids |
Dec. 26, 2000 |
| 6134333 |
Disposable oleophobic and hydrophobic barrier for a hearing aid |
Oct. 17, 2000 |
| 6129174 |
Minimal contact replaceable acoustic coupler |
Oct. 10, 2000 |
| 6105713 |
Cover movable by rotation forming a cerumen barrier in a hearing aid |
Aug. 22, 2000 |
| 6000492 |
Cerumen block for sound delivery system |
Dec. 14, 1999 |
| 5982908 |
Ear wax collection device for a hearing aid |
Nov. 9, 1999 |
| 5970157 |
Press-fit ear wax barrier |
Oct. 19, 1999 |
| 5864628 |
Press-fit sound damping structure |
Jan. 26, 1999 |
| 5430801 |
Hearing aid |
Jul. 4, 1995 |
| 5327500 |
Cerumen barrier for custom in the ear type hearing intruments |
Jul. 5, 1994 |
| 5220612 |
Non-occludable transducers for in-the-ear applications |
Jun. 15, 1993 |
| 5166659 |
Hearing aid with cerumen collection cavity |
Nov. 24, 1992 |
| 5068901 |
Dual outlet passage hearing aid transducer |
Nov. 26, 1991 |
| 4987597 |
Apparatus for closing openings of a hearing aid or an ear adaptor for hearing aids |
Jan. 22, 1991 |
| 4984277 |
Protection element for all-in-the-ear hearing aid |
Jan. 8, 1991 |
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