Patents by Inventor John E. Hollingsworth

John E. Hollingsworth 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: 5540218
    Abstract: A respiratory system that is particularly suited to provide uncontaminated entilation and oxygen needs of an aircrew during the ground and flight operations is disclosed. The respiratory system has provisions to provide for a continuous flow of air or oxygen during the failure mode conditions of the ventilator and oxygen generating systems supplying the respiratory system so that the aircrew is always provided with at least a flow of uncontaminated breathing fluid under all such failure mode conditions.
    Type: Grant
    Filed: December 5, 1994
    Date of Patent: July 30, 1996
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Timothy J. Jones, John E. Hollingsworth