Patents by Inventor John Richard Hendrick

John Richard Hendrick 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: 3995327
    Abstract: An improved toilet which is a combination of a self-flushing system and an Econo-system, wherein re-cycled water from wash basins, or drinking fountains are used to supplement use of fresh water for flushing; the toilet including a lever operated by the toilet seat to activate a self flush piston having a manually adjustable regulator thereabove, and the toilet including an inner and outer tank with float valve means to control the intake of fresh water in accordance to the quantity of re-cycled water stored in the system at time of a flushing action.
    Type: Grant
    Filed: February 11, 1975
    Date of Patent: December 7, 1976
    Inventor: John Richard Hendrick