Patents by Inventor Jean P. Gilles

Jean P. Gilles 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).

  • Source of ions with at least two ionization chambers, in particular for forming chemically reactive ion beams
    Patent number: 4782235
    Abstract: The ion source comprises a cathode, an intermediate electrode and an anode with two ionization chambers between these electrodes, means for producing an axial magnetic field, means for applying a DC voltage between an intermediate electrode and the anode, ion extraction means and an alternating voltage generator between the cathode and the intermediate electrode.
    Type: Grant
    Filed: October 1, 1986
    Date of Patent: November 1, 1988
    Assignee: Centre National de la Recherche Scientifique
    Inventors: Claude Lejeune, Jean P. Gilles