Patents by Inventor Gerrit-Jan Hofte Koesveld

Gerrit-Jan Hofte Koesveld 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).

  • Plug for closing the gullet of a slaughtered animal and device for positioning same
    Patent number: 5643076
    Abstract: The invention lies in the field of slaughtering animals in a slaughterhouse. One of the operations during the slaughtering process is the removal of the head of the animal, whereby the gullet is severed. The invention has for its object to offer provisions which can ensure an effective and rapid closure of the gullet. For this purpose the invention generally provides a plug for closing the gullet of a slaughtered animal from which the head has been removed, which plug is adapted to be inserted into the gullet and has a larger effective diameter than the gullet for closing.
    Type: Grant
    Filed: September 20, 1995
    Date of Patent: July 1, 1997
    Inventors: Erwin Herman Gerardus Heurman, Gerrit-Jan Hofte Koesveld, Johan Gerrit Roerink