Patents by Inventor Christopher Plucker

Christopher Plucker 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).

  • Apparatus and method for moving a ferromagnetic element
    Patent number: 7346141
    Abstract: A device and technique for placing and moving a ferromagnetic element in an annulus between coaxially arranged cylindrical tubes. The device includes an electromagnetic ram moved along the interior of a cylindrical tube. The movable ferromagnetic element is magnetically coupled to the electromagnetic ram and moved by magnetic force to a location in the annulus defined by the tubes and magnetically coupled to the electromagnetic ram for movement in and removal from the annulus.
    Type: Grant
    Filed: August 23, 2005
    Date of Patent: March 18, 2008
    Assignee: Areva NP Inc.
    Inventors: Ron Payne, Christopher Plucker
  • Apparatus and method for moving a ferromagnetic element
    Publication number: 20070237283
    Abstract: A device and technique for placing and moving a ferromagnetic element in an annulus between coaxially arranged cylindrical tubes. The device includes an electromagnetic ram moved along the interior of a cylindrical tube. The movable ferromagnetic element is magnetically coupled to the electromagnetic ram and moved by magnetic force to a location in the annulus defined by the tubes and magnetically coupled to the electromagnetic ram for movement in and removal from the annulus.
    Type: Application
    Filed: August 23, 2005
    Publication date: October 11, 2007
    Inventors: Ron Payne, Christopher Plucker