Patents by Inventor Ludwig Scheiner

Ludwig Scheiner 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).

  • Patent number: 5220575
    Abstract: The electrode consists of a metal carrier (1) and a surface layer (3), which has been deposited on the carrier and has a thickness of 0.1 to 20 .mu.m and consists of a material which differs from the carrier material and distinguishes from the carrier material by having a smaller work function and lower thermal and electrical conductivities and is selected from the group tungsten, niobium, tantalum, rhenium and chromium. The carrier (1) consists of a deeply drawable material. There is preferably also an interlayer (2) made of a highly conductive metal.
    Type: Grant
    Filed: December 4, 1990
    Date of Patent: June 15, 1993
    Assignees: Doduco GmbH + Dr. Eugen Durrwachter, Eltro Gaselischaft fur Strahlungstechnik
    Inventors: Wolfgang Bosch, Thomas Bregel, Joachim Ganz, Roland Michal, Karl E. Saeger, Ludwig Scheiner, Franz Prein, Jurgen Wiegand