Methods and apparatus for cleaning a hearing aid device

Cleaning and liquid contact with solids – Processes – Including work heating or contact with combustion products

Reexamination Certificate

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Details

C134S001000, C134S006000, C134S033000, C134S035000, C134S042000, C134S061000, C134S201000, C034S209000, C034S210000, C034S218000

Reexamination Certificate

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10249554

ABSTRACT:
Methods and apparatus for cleaning hearing aid devices are disclosed. Drying is facilitated in hearing instruments through a novel combination of heater and desiccant in an essentially closed system. Greater efficiency is obtained by minimizing the volume of gas, e.g., air, requiring moisture extraction.

REFERENCES:
patent: 5133016 (1992-07-01), Clark
patent: 5640783 (1997-06-01), Schumaier
patent: 5852879 (1998-12-01), Schumaier
patent: 6399920 (2002-06-01), Guinn
patent: 2004/0244215 (2004-12-01), Greenspan et al.
patent: 200 07 224 (2000-04-01), None
patent: 2001-258099 (2001-09-01), None

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