Patents by Inventor John Stubbs

John Stubbs 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: 10793454
    Abstract: A reactor system for treating contaminated water is disclosed. The reactor system includes a reactor vessel having first and second end portions and an internal reactor volume defined by interior surfaces of the reactor vessel. A fluoropolymer coating is applied over at least a portion of the interior surfaces of the reactor vessel. The reactor system also includes a water inlet disposed in the first end portion and a water outlet disposed in the second end portion. At least one ultraviolet light-emitting diode (LED) is included and disposed so as to project ultraviolet light into the reactor vessel. A plurality of photo-catalyst substrates are also disposed within the internal reactor volume of the reactor vessel. Each of these substrates includes a coating of titanium dioxide applied to an outer surface of a substrate. A method for remediating contaminated water is also disclosed.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: October 6, 2020
    Assignee: United States of America as represented by the Secretary of the Air Force
    Inventors: Morgan Russell, John Stubbs, David Kempisty
  • Patent number: 3955165
    Abstract: The flyweights of a governor of the general kind having magnetised flyweights and a field coil for modifying the bias of the flyweights, are magnetised by applying a voltage pulse to the coil when the governor is stationary.
    Type: Grant
    Filed: July 19, 1974
    Date of Patent: May 4, 1976
    Assignee: Joseph Lucas (Industries) Limited
    Inventors: John Stubbs, James Douglas