Patents by Inventor Gary C. Ranger

Gary C. Ranger 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).

  • Hot water supply system
    Patent number: 5183029
    Abstract: In a domestic hot water supply system including at least one user terminal such as a shower head to which blended hot and cold water are supplied at a selected temperature, the cold water of the blend is supplied via a check valve which responds to changes in hydrodynamic pressure so as to regulate the volumetric flow of cold water and thereby compensate for changes of water demand in other parts of the system.
    Type: Grant
    Filed: April 14, 1992
    Date of Patent: February 2, 1993
    Inventor: Gary C. Ranger