Patents by Inventor Petrus Christianus H. Janssen

Petrus Christianus H. Janssen 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 device for boning a leg
    Patent number: 5961383
    Abstract: A method and a device for boning a leg or a part thereof of a slaughtered animal. Prior to the removal of the meat from the leg or the part thereof, an incision is made through a tendon at the position of the condyle of the tibia in the ankle joint. During scraping of meat from the lower leg, the lower leg is retained by a lug which engages in the canalis tendineus. Prior to or during the boning operation, the kneecap of the leg is pressed through an opening of a stop element, following which the kneecap projecting from the opening is removed.
    Type: Grant
    Filed: September 13, 1996
    Date of Patent: October 5, 1999
    Assignee: Stork PMT B.V.
    Inventors: Petrus Christianus H. Janssen, Adrianus J. van den Nieuwelaar