Patents by Inventor Donald R. Schaffner

Donald R. Schaffner 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).

  • Heat dissipation means for X-ray generating tubes
    Patent number: 4916015
    Abstract: An improved X-ray generating tube having anode and cathode, the anode being a target track assembly rotatably mounted upon a shaft within a tube and including a plurality of pyrolytic graphite fins configured to accept heat from the target and to transfer the heat to a point external to the X-ray tube.
    Type: Grant
    Filed: May 4, 1987
    Date of Patent: April 10, 1990
    Assignee: The B.F. Goodrich Company
    Inventors: Donald R. Schaffner, Donald H. Leeds
  • Heat dissipation means for X-ray generating tubes
    Patent number: 4688239
    Abstract: An improved X-ray generating tube having anode and cathode, the anode being a target track assembly rotatably mounted upon a shaft within a tube and including a plurality of pyrolytic graphite fins configured to accept heat from the target and to transfer the heat to a point external to the X-ray tube.
    Type: Grant
    Filed: September 24, 1984
    Date of Patent: August 18, 1987
    Assignee: The B. F. Goodrich Company
    Inventors: Donald R. Schaffner, Donald H. Leeds