Patents by Inventor Reinar Gruen

Reinar Gruen 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).

  • Process and apparatus for coating conducting pieces using a pulsed glow discharge
    Patent number: 5015493
    Abstract: A process and apparatus for coating conductive workpieces by ionized vapors with the assistance of a glow discharge includes providing a periodically pulsed input of energy for the discharge so that stress on the parts is reduced and a smooth coating results. Either a constant or periodic magnetic field is superimposed to influence the coating process for better results and better handling.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: May 14, 1991
    Inventor: Reinar Gruen