Patents by Inventor Armand Hubert

Armand Hubert 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).

  • Auxiliary collimating device for obtaining irradiation fields of any shape for high energy radiotherapy apparatus
    Patent number: 3944836
    Abstract: An auxiliary collimator is added to the main collimator of a radiotherapy apparatus and comprises a master-container filled with mercury and a localising container containing a block of non absorbent material having a predetermined shape; means being provided for automatically positioning these containers with respect to the main collimator and for allowing the mercury to enter the localising container when once it has taken its working position.
    Type: Grant
    Filed: April 5, 1974
    Date of Patent: March 16, 1976
    Assignee: C.G.R. -MeV
    Inventors: Pierre Piret, Hubert Fraikin, Armand Hubert