Patents by Inventor William Philippson

William Philippson 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).

  • Pneumatic plunger system
    Patent number: 4788928
    Abstract: A pneumatic plunger system for use in a commercial seine fishing vessel, comprising apparatus for expelling a mixture of forced air and water through a plurality of nozzles that are located along the keel of the vessel. The forced air and water which is ejected through the nozzles creates a wall of air bubbles extending substantially vertically and downward from the keel. Fish swimming between the net and the wall of air bubbles are startled by the air bubbles and are repelled into the net.
    Type: Grant
    Filed: July 16, 1987
    Date of Patent: December 6, 1988
    Inventors: David Tauber, William Philippson