Patents by Inventor Manfred K. Carbe

Manfred K. Carbe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Hearing aid wax guard with integral bridge
    Patent number: 5278360
    Abstract: A wax guard system, for use with an in-the-ear hearing aid, has a housing secured to the hearing aid shell and an insert which screws into the housing. The insert has a body having an internal passage therethrough, and a bridge extending across the exterior opening of the passage. The bridge is higher at its centre than at its ends and carries a thin domed disk which shields the opening and deters wax from entering the passage.
    Type: Grant
    Filed: September 24, 1992
    Date of Patent: January 11, 1994
    Assignee: Unitron Industries Ltd.
    Inventors: Manfred K. Carbe, Fred J. Stork