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Class Information
Number: 181/130
Name: Acoustics > Anatomic or prosthetic relation > Ear and mouth > Auditory canal insert
Description: Subject matter wherein there is a device that is operatively inserted in the auditory canal.


Sub-classes under this class:

Class Number Class Name Patents
181/133 Deflector type 7
181/135 Ear insert 212
181/134 Eardrum 10
181/131 Stethoscope 181
181/132 With diaphragm 16


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7401680 Hearing protection earplug and use of the same Jul. 22, 2008
7401679 Adaptor for mounting a sound tube in an earpiece Jul. 22, 2008
7403629 Disposable modular hearing aid Jul. 22, 2008
7387187 Custom-molded ear-plug, and process for producing a custom-molded ear-plug device Jun. 17, 2008
7313245 Intracanal cap for canal hearing devices Dec. 25, 2007
7305992 Conforming earplug Dec. 11, 2007
7298857 Extended wear canal device with common microphone-battery air cavity Nov. 20, 2007
7298858 Insert earphone assembly for audiometric testing and method for making same Nov. 20, 2007
7236605 User disposable sleeve for use within the ear canal Jun. 26, 2007
7206429 Audio earpiece and peripheral devices Apr. 17, 2007
7191867 Hearing aid device that can be worn in the ear with a housing Mar. 20, 2007
7185733 Method for manufacturing an ear device and ear device Mar. 6, 2007
7116793 Ear pad, and earphone with the pad Oct. 3, 2006
7107993 Earplug Sep. 19, 2006
7025061 Customized passive hearing protection earplug, use of the same and method for manufacturing the same Apr. 11, 2006
7014010 Method for manufacturing an ear device and ear device Mar. 21, 2006
6981504 Core stiffened earplug Jan. 3, 2006
6938621 Disposable plug for warming the inner ear Sep. 6, 2005
6940988 Semi-permanent canal hearing device Sep. 6, 2005
6931142 Insert earphone Aug. 16, 2005
6902029 Retractable ear protection device Jun. 7, 2005
6879698 Cellular telephone, personal digital assistant with voice communication unit Apr. 12, 2005
6860362 Hearing aid instrument flexible attachment Mar. 1, 2005
6830124 Ear plug Dec. 14, 2004
6829362 Soft molding compound Dec. 7, 2004
6827178 Method for manufacturing an ear device and ear device Dec. 7, 2004
6820717 Pressure regulating earplug Nov. 23, 2004
6817440 Multi-channel headphones Nov. 16, 2004
6810987 Earbud headset Nov. 2, 2004
6772854 Device and method for inserting acoustic dampers into earphones Aug. 10, 2004
6766878 Custom-moulded ear-plug, and process for producing a custom-moulded ear-plug device Jul. 27, 2004
6751327 Miniature plastic battery assembly for canal hearing devices Jun. 15, 2004
6748093 Hearing aid with a tightening ring Jun. 8, 2004
6738485 Apparatus, method and system for ultra short range communication May. 18, 2004
6731772 Cushion cover for preventing pains in using earphones May. 4, 2004
6704429 Earphone without impulse noise and surroundings blockade Mar. 9, 2004
6695093 Earplug Feb. 24, 2004
6691822 Sound damping filter, ear protector, and method for manufacturing a membrane for a sound damping Feb. 17, 2004
6688421 Earmold for improved retention of coupled device Feb. 10, 2004
6666295 Acoustic resistor for hearing improvement and audiometric applications, and method of making same Dec. 23, 2003
6664713 Single chip device for voice communications Dec. 16, 2003
RE38351 High fidelity insert earphones and methods of making same Dec. 16, 2003
6622815 Transducer support pad Sep. 23, 2003
6622816 Personal protective devices having an energy activated material Sep. 23, 2003
6585075 Hearing aid having hard mounted speaker and energy absorbing tip Jul. 1, 2003
6554097 Low-radiation headphone Apr. 29, 2003
6532292 Method and apparatus to transmit audio into the human ear Mar. 11, 2003
6532295 Method for fitting a universal hearing device shell and conformal tip in an ear canal Mar. 11, 2003
6513621 Method of producing and making use of ear tips having a filled airtight chamber Feb. 4, 2003
6484842 Custom-molded ear-plug, and process for producing a custom-molded ear-plug device Nov. 26, 2002

1 2 3 4


 
 
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