Patents by Inventor Hans-Dieter Beckey

Hans-Dieter Beckey 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).

  • Field emission ion source having heated anode
    Patent number: 4054810
    Abstract: A field emission ion source of the type employing a thin anode having an elongated surface utilizes local heating of the anode to prevent material from being adsorbed on the anode's surface. The anode may be a wire or a thin knife-edged metal strip through which an electrical current is passed to heat the anode.
    Type: Grant
    Filed: July 6, 1976
    Date of Patent: October 18, 1977
    Assignee: Varian MAT GmbH
    Inventor: Hans-Dieter Beckey