Patents by Inventor Vladimir G. Grigoryan

Vladimir G. Grigoryan 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).

  • Ion-optics system for a source of ions to be discharged into a gas
    Patent number: 5444258
    Abstract: The present invention provides an ion-optics system for a source of ions for discharge into gases, the system comprising a screen grid (1) and an accelerator grid (2) constituted by respective frames (3, 4) and respective systems of parallel wires (5, 6) fixed to the frames by means of springs (21), the frames of the grids being assembled to each other via insulators (7) to which they are fixed, the system being provided with a displacement device (9) for adjusting the wires in each of the grids, which device comprising rolls (11) disposed transversely relative to the wires in each grid and offering guide elements (12) in which the wires are placed, the rolls being installed on the frames of the grids with the facility of rotating about their own axes and of changing position in three dimensions together with the wires.
    Type: Grant
    Filed: April 12, 1994
    Date of Patent: August 22, 1995
    Assignee: Societe Europeenne de Propulsion
    Inventors: Vladimir G. Grigoryan, Valeriy I. Minakov, Vladimir A. Obukhov, Petr P. Ogadjanov