Patents by Inventor Jan Schapink

Jan Schapink 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).

  • Method and apparatus for impregnating a woven, stranded or knitted sleeve or tube of flexible fibres or threads
    Patent number: 4733420
    Abstract: Method and apparatus for impregnating tubular fabrics wherein the fabric is driven over an elongate driving member extending through an impregnation station by means of a transport layer or tube extending between said fabrics and said guiding member and driven to transport the fabric through the impregnating station.
    Type: Grant
    Filed: October 14, 1986
    Date of Patent: March 29, 1988
    Assignee: Koninklijke Nijverdal-Ten Cate NV
    Inventors: Jan Schapink, Frans B. Bruns