Patents by Inventor Robert Blickensderfer

Robert Blickensderfer 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).

  • Sputtering apparatus for coating elongated tubes and strips
    Patent number: 4290877
    Abstract: A conventional sputtering chamber is modified to include two elongated hollow tubes which accommodate an elongated workpiece in the form of a tube or strip, of lesser diameter, during a sputter-coating operation. During the sputtering operation, the workpiece is simultaneously rotated and moved back and forth beneath at least one sputtering target to receive a uniform coating thereon.
    Type: Grant
    Filed: September 8, 1980
    Date of Patent: September 22, 1981
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventor: Robert Blickensderfer
  • Spectrally selective solar absorbers
    Patent number: 4098956
    Abstract: Thin film absorber stacks consisting of an absorptive film of titanium, zirconium or hafnium suboxide, subcarbide or subnitride superposed on a reflective film of silver, aluminum or copper display spectrally selective characteristics. The absorptive film may be prepared by reactively sputtering the metal or the metal carbide in argon or other inert gas with small amounts of gas containing carbon, oxygen or nitrogen or their combinations, or by reaction of the metal film in air or other gas.
    Type: Grant
    Filed: August 11, 1976
    Date of Patent: July 4, 1978
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventors: Robert Blickensderfer, Donald K. Deardorff, Russell L. Lincoln