Patents by Inventor James C. De Villiers

James C. De Villiers 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).

  • Expiratory scavenging method and apparatus and oxygen control system for post anesthesia care patients
    Patent number: 5676133
    Abstract: An apparatus and method for preventing contamination of the Post Anesthesia Care Unit of A Hospital by the use of a mask sealed to the patient's face and connected by a ventilator circuit to an airator that pulls a vacuum to exhaust the patient's expirations to the outside atmosphere. The disclosure also includes a "oxyvent" which is a tube adapted to be attached to an oxygen tank and to a patient to provide a higher oxygen ratio to the patient and to provide forced ventilation to a patient who has difficulty ventilating.
    Type: Grant
    Filed: June 4, 1996
    Date of Patent: October 14, 1997
    Assignee: Apotheus Laboratories, Inc.
    Inventors: Randall S. Hickle, Richard B. Adams, William A. Pesa, James L. Earsley, Richard A. Liles, James C. De Villiers