Patents by Inventor Robert Bruce Cox

Robert Bruce Cox 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).

  • Patent number: 4003213
    Abstract: This invention relates to heat pump systems variously useful for heating and cooling as well as for the production of potable water and in which the thermal energy employed is derived from heat liberated by the freezing of water under vacuum at the triple point.
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: January 18, 1977
    Inventor: Robert Bruce Cox