Patents by Inventor Marc R. Bellerive

Marc R. Bellerive 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).

  • Jaw and circular collimator
    Patent number: 6278766
    Abstract: A collimator apparatus for a treatment planning machine that delivers a beam. A circular collimator defines a circular aperture for the beam. At least one movable collimator jaw is moved into the projection of the circular aperture with respect to the beam in order to eclipse a portion of the beam.
    Type: Grant
    Filed: January 25, 2000
    Date of Patent: August 21, 2001
    Assignee: Sherwood Services AG
    Inventors: Hanne M. Kooy, Fred L. Hacker, Marc R. Bellerive
  • Jaw and circular collimator
    Patent number: 6041101
    Abstract: A collimator apparatus for a treatment planning machine that delivers a beam. A circular collimator defines a circular aperture for the beam. At least one movable collimator jaw is moved into the projection of the circular aperture with respect to the beam in order to eclipse a portion of the beam.
    Type: Grant
    Filed: August 17, 1998
    Date of Patent: March 21, 2000
    Assignee: Radionics, Inc.
    Inventors: Hanne M. Kooy, Fred L. Hacker, Marc R. Bellerive
  • Jaw and circular collimator
    Patent number: 6005919
    Abstract: A collimator apparatus for a treatment planning machine that delivers a beam. A circular collimator defines a circular aperture for the beam. At least one movable collimator jaw is moved into the projection of the circular aperture with respect to the beam in order to eclipse a portion of the beam.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: December 21, 1999
    Assignee: Radionics, Inc.
    Inventors: Hanne M. Kooy, Fred L. Hacker, Marc R. Bellerive