Patents by Inventor Ivan Beswick

Ivan Beswick 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).

  • Metal detector including a metal screening for producing a secondary magnetic field to reduce the metal free zone
    Patent number: 5572121
    Abstract: A metal detector comprise a coiled conductor located within a metal enclosure operative to provide an a.c. generated primary electromagnetic field. Metal screening is provided adjacent the coil so as to provide a secondary induced magnetic field which opposes the primary electromagnetic field so as to significantly reduce the metal free zone.
    Type: Grant
    Filed: May 2, 1995
    Date of Patent: November 5, 1996
    Assignee: Safeline Limited
    Inventor: Ivan Beswick