Patents by Inventor Helmut Petter

Helmut Petter 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).

  • Rotating anode for X-ray tubes
    Patent number: 4516255
    Abstract: There is disclosed a rotating anode for use in X-ray tubes having a basic member made of a carbonaceous molybdenum alloy, such as TZM, and a focal path, that is a cathode path, of tungsten or a tungsten alloy, the surface of the basic member outside the focal path being coated at least partially with one or more oxides or a mixture of one or more metals and one or more oxides and having a 10 to 200 .mu.m thick layer of molybdenum and/or tungsten disposed between the surface of the basic member and the coating thereon of oxides or mixture of metal and oxides.
    Type: Grant
    Filed: February 11, 1983
    Date of Patent: May 7, 1985
    Assignee: Schwarzkopf Development Corporation
    Inventors: Helmut Petter, Hubert Bildstein, Fritz Simader
  • X-ray target
    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