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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
8201561 Ear tip Jun. 19, 2012
7886744 Tube-formed earplug with integral stem Feb. 15, 2011
7681577 Ear tip Mar. 23, 2010
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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