Patents by Inventor Gerardus L. Trijssenaar

Gerardus L. Trijssenaar 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).

  • Apparatus for providing a food product with a thread-like suspension means
    Patent number: 5042370
    Abstract: An apparatus for providing a food product with a thread-like suspension means comprises a needle for passing the thread loop-like through the food product. Further two gripper means, a cutting means and a connecting device for the thread are provided. Preferably the connecting device comprises an ultrasonic welding head for welding together the ends of a thread section disengaged by the cutting means. The apparatus further comprises curved discs for driving at least some of the operational means.
    Type: Grant
    Filed: July 16, 1990
    Date of Patent: August 27, 1991
    Assignees: N.J. Lunenburg B.V., Gerardus L. Trijssenaar
    Inventor: Gerardus L. Trijssenaar