Patents by Inventor Henk Hilferink

Henk Hilferink 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).

  • Transponder and method for the production thereof
    Patent number: 5148404
    Abstract: The invention relates to a transponder comprising a closed glass casing in which electrical components are placed, wherein the glass incorporates iron oxide, a method for the production of such a transponder, the use of iron oxide in the glass of a closed glass casing of a transponder and a method for the identification of animals with the use of such a transponder.
    Type: Grant
    Filed: October 9, 1991
    Date of Patent: September 15, 1992
    Assignee: Texas Instruments Incorporated
    Inventors: Henk Hilferink, Anne A. Tip, Henk Velten