Patents by Inventor Robert L. Stemples

Robert L. Stemples 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).

  • Water saving device
    Patent number: 4980932
    Abstract: A flow splitting valve assembly is inserted into the afterfill line of a conventional water closest ballcock valve, the valve assembly including adjustable valves for directing some of the afterfill flow into the watercloset. The adjustable valves provide means for selecting after fill flow rates at various supply pressures.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: January 1, 1991
    Inventor: Robert L. Stemples