Patents by Inventor Paul S. Harrison

Paul S. Harrison 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 apparatus for selectively capturing ferrous debris from a floor
    Patent number: 6464083
    Abstract: An apparatus for collecting, transporting and releasing ferrous debris from a floor is disclosed. The apparatus includes a magnet movable between a lowered and a raised position to provide a sufficient magnetic field intensity to capture debris from the floor in the lowered position and to permit gravity induced separation of the debris in the raised position. The magnet may be a permanent magnet or an electromagnet.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: October 15, 2002
    Assignee: HM Cross & Sons
    Inventors: Paul S. Harrison, David A. D'Orazio, Robert H. Muraco