Patents by Inventor Jack B. Mitchell

Jack B. Mitchell 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).

  • Flapper valve apparatus and method of use
    Patent number: 8087106
    Abstract: The flapper valve apparatus and method of use provides a flapper valve that is basic and easily installed on the pins of a toilet reservoir overflow tube. The apparatus has sufficient flexibility to allow flexing of the arms and ears for easy installation. The apparatus provides water volume conservation by seating the lower bulb within the valve seat prior to substantial drainage of the reservoir. And, a user can vary the amount of water used in a flush by varying flush handle hold time.
    Type: Grant
    Filed: March 5, 2009
    Date of Patent: January 3, 2012
    Inventor: Jack B. Mitchell