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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 12
181/135 Ear insert 327
181/134 Eardrum 13
181/131 Stethoscope 231
181/132 With diaphragm 20


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
6164409 Wax guard membrane for hearing aids Dec. 26, 2000
6138790 Band earplug adapted to prevent soiling Oct. 31, 2000
6135235 Self-cleaning cerumen guard for a hearing device Oct. 24, 2000
6137889 Direct tympanic membrane excitation via vibrationally conductive assembly Oct. 24, 2000
6134333 Disposable oleophobic and hydrophobic barrier for a hearing aid Oct. 17, 2000
6129175 Acoustical control plastisol earpieces Oct. 10, 2000
6105714 Hearing protection device Aug. 22, 2000
6094492 Bone conduction voice transmission apparatus and system Jul. 25, 2000
6068079 Acoustic valve capable of selective and non-linear filtering of sound May. 30, 2000
6056082 Ergonomic banded ear plug May. 2, 2000
5999632 Fixation element for an implantable microphone Dec. 7, 1999
5975235 Seating member for connecting a continuous-flow earmold tubing connector to an earmold Nov. 2, 1999
5920636 Disposable foam sleeve for sound control device and container therefor Jul. 6, 1999
5887070 High fidelity insert earphones and methods of making same Mar. 23, 1999
5865183 Device for equalizing pressure across the eardrum of divers Feb. 2, 1999
5832094 Device for transmission of sound with selective filtering for insertion in the outer auditory canal Nov. 3, 1998
5824966 Enhanced band earplug Oct. 20, 1998
5824967 Ear muffler Oct. 20, 1998
5818946 Ruggedized solar charged hearing aid Oct. 6, 1998
5797834 Hearing improvement device Aug. 25, 1998
5792998 Acoustical hearing protective devices utilizing dynamically stiff foam and methods of producing same Aug. 11, 1998
5781637 Method for fabricating a hearing aid faceplate and a faceplate produced thereby Jul. 14, 1998
5753870 Continuous flow earmold tubing connector with a filter May. 19, 1998
5712918 Press-fit ear wax barrier Jan. 27, 1998
5691515 Rearward sound enhancing apparatus Nov. 25, 1997
5691514 Rearward sound enhancing apparatus Nov. 25, 1997
5682020 Sealing of hearing aid to ear canal Oct. 28, 1997
5659156 Earmolds for two-way communications devices Aug. 19, 1997
5654530 Auditory canal insert for hearing aids Aug. 5, 1997
5627902 Magnetic resonance imaging compatible audio headset May. 6, 1997
5625171 Interchangeable earpiece for stereo listening Apr. 29, 1997
5572594 Ear canal device holder Nov. 5, 1996
5488205 Hearing aid tubing connector Jan. 30, 1996
5475449 Safety glass/ear plug combination Dec. 12, 1995
5344387 Cochlear implant Sep. 6, 1994
5319163 Waterproof earmold-to-earphone adapter Jun. 7, 1994
5288953 Compressible stethoscope ear tip Feb. 22, 1994
5277694 Electromechanical transducer for implantable hearing aids Jan. 11, 1994
5201007 Apparatus and method for conveying amplified sound to ear Apr. 6, 1993
5195139 Hearing aid Mar. 16, 1993
5166659 Hearing aid with cerumen collection cavity Nov. 24, 1992
5153387 Layered earplug Oct. 6, 1992
5146051 Housing shell for an in-the-ear hearing aid Sep. 8, 1992
5111904 Molded article having elastomeric mold member used therewith May. 12, 1992
5099947 Wax guard for hearing aids Mar. 31, 1992
5068902 Method and apparatus for reducing acoustical distortion Nov. 26, 1991
5002151 Ear piece having disposable, compressible polymeric foam sleeve Mar. 26, 1991
4991686 Disposable stethoscope Feb. 12, 1991
4981194 Electro-acoustic transducer Jan. 1, 1991
4977976 Connector for hearing air earmold Dec. 18, 1990

1 2 3 4 5










 
 
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