Patents by Inventor Paul Christiaan H. van den Beld

Paul Christiaan H. van den Beld 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).

  • Plastic closure plug
    Patent number: 4760935
    Abstract: The invention relates to a plastics closure member, more particularly for closing an opening in motor vehicle bodywork, the closure member having a main member 2, a sealing lip 3 and, disposed opposite the same, a catch ring 4. According to the invention, the closure member is made of a polyester-ester-urethane, the main member 2 merging directly into the sealing lip 3 and the catch ring 4.
    Type: Grant
    Filed: August 15, 1986
    Date of Patent: August 2, 1988
    Inventors: Paul Christiaan H. van den Beld, Gerhard Kettenring, Bodo Greulich, Gunther Schmitz