Patents by Inventor Howard L. Toms

Howard L. Toms 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).

  • Oscillating liquid nozzle
    Patent number: 3998386
    Abstract: An oscillating liquid nozzle, for use in producing foam for fires, having a fluidic oscillating device attached to the nozzle exit with a pair of inner wall members spaced from the nozzle exit to form control ports. Outer wall members connect to the nozzle body and have scoop members positioned at their forward end which extend into the flow forward of the inner wall members to return a portion of the flow to the control ports and cause oscillation of the liquid stream leaving the nozzle exit.
    Type: Grant
    Filed: February 23, 1976
    Date of Patent: December 21, 1976
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Hermann Viets, Delbert F. Balster, Howard L. Toms