Patents by Inventor John G. DeCook

John G. DeCook 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).

  • Method for removing radioactive scale from fluid carrying equipment
    Patent number: 5386077
    Abstract: A method for removing radioactive barium sulphate from fluid carrying equipment includes immersing the equipment and scale in liquid nitrogen or other cyrogenic liquid, followed by immersing the equipment and scale in water or other aqueous solution, and subsequent impacting of the equipment and scale to remove the scale.
    Type: Grant
    Filed: February 8, 1993
    Date of Patent: January 31, 1995
    Inventors: Trevor F. Cuthill, John G. DeCook