Patents by Inventor Roy G. Hilton

Roy G. Hilton 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).

  • Liquid coolers
    Patent number: 4841741
    Abstract: A fluid cooler comprises a housing, a chamber located in the housing, a conduit for the fluid to be cooled and a float controlled valve for controlling the flow of liquid refrigerant into the chamber.
    Type: Grant
    Filed: March 28, 1988
    Date of Patent: June 27, 1989
    Inventor: Roy G. Hilton