Patents by Inventor Hillard R. Holmes

Hillard R. Holmes 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).

  • Apparatus for fabricating a graded-groove heat pipe
    Patent number: 5051146
    Abstract: A chemical etching technique is described for providing longitudinally extending capillary grooves of variable cross-sectional dimension on the interior surface of a heat pipe.
    Type: Grant
    Filed: September 25, 1990
    Date of Patent: September 24, 1991
    Assignee: Lockheed Missiles & Space Company, Inc.
    Inventors: Michael R. Kapolnek, Alexander R. Feild, Robert T. Hartle, Hillard R. Holmes
  • Graded-groove heat pipe
    Patent number: 5010951
    Abstract: A heat pipe and chemical etching technique is described for providing longitudinally extending capillary grooves of variable cross-sectional dimension on the interior surface of the heat pipe.
    Type: Grant
    Filed: August 3, 1989
    Date of Patent: April 30, 1991
    Assignee: Lockhead Missiles & Space Company, Inc.
    Inventors: Michael R. Kapolnek, Alexander R. Feild, Robert T. Hartle, Hillard R. Holmes
  • Method of fabricating a graded-groove heat pipe
    Patent number: 4989319
    Abstract: A chemical etching technique provides longitudinally extending capillary grooves of variable cross-sectional dimension on the interior surface of a heat pipe.
    Type: Grant
    Filed: July 9, 1990
    Date of Patent: February 5, 1991
    Assignee: Lockheed Missiles & Space Company, Inc.
    Inventors: Michael R. Kapolnek, Alexander R. Feild, Robert T. Hartle, Hillard R. Holmes