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Class Information
Number: 181/134
Name: Acoustics > Anatomic or prosthetic relation > Ear and mouth > Auditory canal insert > Eardrum
Description: Subject matter wherein the device inserted in the auditory canal is an artificial ear drum.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7305992 |
Conforming earplug |
Dec. 11, 2007 |
| 6860362 |
Hearing aid instrument flexible attachment |
Mar. 1, 2005 |
| 6820717 |
Pressure regulating earplug |
Nov. 23, 2004 |
| 6412593 |
Cushioned earphones |
Jul. 2, 2002 |
| 6349790 |
Self-cleaning cerumen guard for a hearing device |
Feb. 26, 2002 |
| 6164409 |
Wax guard membrane for hearing aids |
Dec. 26, 2000 |
| 6137889 |
Direct tympanic membrane excitation via vibrationally conductive assembly |
Oct. 24, 2000 |
| 6135235 |
Self-cleaning cerumen guard for a hearing device |
Oct. 24, 2000 |
| 6129175 |
Acoustical control plastisol earpieces |
Oct. 10, 2000 |
| 4077069 |
Synthetic tympanic membrane |
Mar. 7, 1978 |
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