Patents by Inventor Philip McHugh

Philip McHugh 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).

  • Unitary self shielded, self filtered and flattened Bremsstrahlung photon source assembly for radiotherapy use
    Patent number: 4198570
    Abstract: A photon source filter and primary collimator arrangement wherein the source and filter are within the boundaries of the primary collimator and together form a unitary assembly which may be fixed relative to the impinging electron beam or may be removable from the same. The assembly may consist of low and high atomic number elements or compounds.
    Type: Grant
    Filed: April 7, 1978
    Date of Patent: April 15, 1980
    Assignee: Atomic Energy of Canada Limited
    Inventors: Philip McHugh, William R. Brown, Peter W. Brown