Patents by Inventor Rudolf Machenschalk

Rudolf Machenschalk 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: 4090103
    Abstract: An X-ray target, preferably a rotating target is disclosed in which at least part of the target surface outside the focal area contains a coating layer of a mixture composed of molybdenum, tungsten, niobium or tantalum, and from 20-60 volume percent of a ceramic oxide.
    Type: Grant
    Filed: March 16, 1976
    Date of Patent: May 16, 1978
    Assignee: Schwarzkopf Development Corporation
    Inventors: Rudolf Machenschalk, Hubert Bildstein
  • Patent number: 4029828
    Abstract: A target for an X-ray tube is coated outside of the area impinged on by electrons with a layer of thermally emissive material comprising 6-20% by weight TiO.sub.2 and 80-94% Al.sub.2 O.sub.3. The coating is applied for example by plasma flame spraying.
    Type: Grant
    Filed: June 16, 1976
    Date of Patent: June 14, 1977
    Assignee: Schwarzkopf Development Corporation
    Inventors: Hubert Bildstein, Rudolf Machenschalk, Helmut Petter