Patents by Inventor Antoine Simeone

Antoine Simeone 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).

  • Dihedral deflection cathode for an X-ray tube
    Patent number: 5224143
    Abstract: The invention relates to X-ray tubes. The cathode for an X-ray tube has two filaments associated with a deflecting and focusing device which comprises at least three metal parts which are electrically insulated from one another and which are raised to electrical voltages. First and second ones of the metal, parts are associated with a first filament, while the second metal part and a third metal part are associated with the second filament.
    Type: Grant
    Filed: February 1, 1991
    Date of Patent: June 29, 1993
    Assignee: General Electric CGR S.A.
    Inventors: Horia Dumitrescu, Bernard Evain, Antoine Simeone