Patents by Inventor Walter Puchta

Walter Puchta 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).

  • Mini hearing aid
    Patent number: 4628527
    Abstract: A miniature hearing aid (1) includes a microphone (12), a receiver (14) an amplifier (15), and a battery connectable via a contact (18), all of which are contained in a housing (2,3). The amplifier is constructed of a printed circuit board (20) and a plurality of components (21). In order to save space, the components (21) are countersunk in openings (24) in the circuit board (20) to reduce the vertical dimension of the amplifier. The openings (24) are used as temporary supports and for exact positioning for the components (21) by making them rectangular with cut off edges.
    Type: Grant
    Filed: November 4, 1983
    Date of Patent: December 9, 1986
    Assignee: Siemens Aktiengesellschaft
    Inventors: Hans Henneberger, Walter Puchta