Patents by Inventor Geoffrey F. Green

Geoffrey F. Green 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).

  • Vibration and shock resistant heat exchanger
    Patent number: 4719969
    Abstract: A vibration and shock resistant finned tube counter-flow heat exchanger crising a rigid support member wound about the inner wall of the heat exchanger shell at the same pitch as the finned tube windings, and a radial bumper support, affixed to the unsupported end of the heat exchanger shell and providing a radial space between the concentric shells of the heat exchanger and an anterior insulating shell.
    Type: Grant
    Filed: May 30, 1985
    Date of Patent: January 19, 1988
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: William G. Patton, Victor H. Dilling, Geoffrey F. Green
  • Piston sealing arrangement for a cryogenic refrigerator
    Patent number: 4432556
    Abstract: A sealing arrangement for a rectilinear reciprocable piston within a cryoic refrigerator comprising a buffer defined by dual O-rings disposed around the circumference of the piston and containing pressurized gas of the same type as the refrigeration gas. The buffer limits or prevents both the entrance of contaminants and also the escape of the refrigeration gas.
    Type: Grant
    Filed: June 1, 1983
    Date of Patent: February 21, 1984
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Geoffrey F. Green, James C. Humphrey