Patents by Inventor Andre E. V. Demulder

Andre E. V. Demulder 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).

  • Device for opening shell-fish
    Patent number: 4255835
    Abstract: The present invention pertains to a shell opening device of the type comprising a base carrying an abutment and an opening blade displaceable in a plane perpendicular to the active face of said abutment, characterized in that it comprises means allowing said blade to freely pivot around at least one axis perpendicular to its longitudinal axis.
    Type: Grant
    Filed: August 24, 1979
    Date of Patent: March 17, 1981
    Assignee: Crombach Investment Company S.A.
    Inventor: Andre E. V. Demulder