Patents by Inventor Oliver N. Wareham

Oliver N. Wareham 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).

  • Flow control device
    Patent number: 4429422
    Abstract: A liquid flow control device is disclosed for delivering either cold water or hot water mixed with cold water comprising a chamber having an inlet for cold water and an inlet for either hot water or mixed hot and cold water and a discharge outlet for connection to a sink delivery fitting, a solenoid operated valve which stops and starts the flow of cold water through the chamber, a solenoid operated valve which stops and starts the flow of hot water or mixed hot and cold water through the chamber and a switch for each solenoid the arrangement being such that some cold water flows through the device each time the latter operates.
    Type: Grant
    Filed: October 9, 1981
    Date of Patent: February 7, 1984
    Inventor: Oliver N. Wareham