Patents by Inventor Benjamin John Catmull

Benjamin John Catmull 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).

  • PASSIVE SHIMMING OF MAGNET SYSTEMS
    Publication number: 20100207630
    Abstract: In a method and an arrangement for shimming a cylindrical magnet system, that has a cylindrical magnet having a bore therein with an axis extending therethrough, and a gradient coil assembly located within the bore, shimming is accomplished by stacking a number of planar pieces of shim material in each of said tubes, with each of the tubes having an axis parallel to the axis of the cylindrical magnet, and with the planar pieces of shim material and stacked in the tubes in respective planes that are perpendicular to the axis of the cylindrical magnet.
    Type: Application
    Filed: April 26, 2010
    Publication date: August 19, 2010
    Inventors: Timothy Barnes, Benjamin John Catmull, John Hedley Toyer, Ian Wilkinson
  • PASSIVE SHIMMING OF MAGNET SYSTEMS
    Publication number: 20090096453
    Abstract: In a method and an arrangement for shimming a cylindrical magnet system, that has a cylindrical magnet having a bore therein with an axis extending therethrough, and a gradient coil assembly located within the bore, shimming is accomplished by stacking a number of planar pieces of shim material in each of said tubes, with each of the tubes having an axis parallel to the axis of the cylindrical magnet, and with the planar pieces of shim material and stacked in the tubes in respective planes that are perpendicular to the axis fo the cylindrical magnet.
    Type: Application
    Filed: July 5, 2007
    Publication date: April 16, 2009
    Inventors: Timothy Barnes, Benjamin John Catmull, John Hedley Toyer, Ian Wilkinson