Patents by Inventor Niels Ole Nielsen

Niels Ole Nielsen 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).

  • Planar electron emitter (PEE)
    Patent number: 7399987
    Abstract: A planar electron emitter, based on the existence of quasi-ballistic transport of electrons is disclosed.
    Type: Grant
    Filed: June 11, 1999
    Date of Patent: July 15, 2008
    Inventors: Petr Viscor, Niels Ole Nielsen, Armin Delong, Vladimir Kolarik