Patents by Inventor Grant K. R. Chen

Grant K. R. Chen 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).

  • Shirring device
    Patent number: 4683615
    Abstract: An improved shirring device for sausage casing includes a station having opposed shirring wheels for shirring casing onto a mandrel. Opposed jaws positioned for movement transverse to the mandrel operate to engage shirred casing. Both the wheels and jaws are mounted on a slidable platform which is movable axially to transport shirred casing along the mandrel and to compact the shirred casing.
    Type: Grant
    Filed: September 29, 1986
    Date of Patent: August 4, 1987
    Assignee: Delaware Capital Formation, Inc.
    Inventors: Roman M. Tomczak, Alfred J. Evans, Grant K. R. Chen, Edward P. Brinson