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Class Information
Number: 181/133
Name: Acoustics > Anatomic or prosthetic relation > Ear and mouth > Auditory canal insert > Deflector type
Description: Subject matter wherein there is a device to deflect sound waves into the auditory canal.

Patents under this class:

Patent Number Title Of Patent Date Issued
8328731 Method and system for reconstructing the three-dimensional shape of the surface of at least a portion of an ear canal and/or of a concha Dec. 11, 2012
8220585 Non-electronic hearing aid Jul. 17, 2012
8107663 Headset Jan. 31, 2012
7766120 Cap for use as hearing protection Aug. 3, 2010
7740104 Multiple resonator attenuating earplug Jun. 22, 2010
7249651 Swiveling sound-gathering ear guard for masks and helmets Jul. 31, 2007
6954971 Method for simultaneously making a plurality of acoustic signal sensor elements Oct. 18, 2005
6325173 Ear wind shield Dec. 4, 2001
6237714 Article for collecting sound for ears May. 29, 2001
6082486 Article for collecting sound for ears Jul. 4, 2000
5965850 Non-electronic hearing aid Oct. 12, 1999
5189265 Cap with hearing enhancing structure Feb. 23, 1993

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