Patents by Inventor Marvin D. Lough

Marvin D. Lough 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).

  • Heat and humidification system for high frequency jet ventilation
    Patent number: 4589409
    Abstract: The present invention is directed to a high frequency jet ventilator humidification system which generally includes an air-oxygen blender, a heat exchanger, a solenoid valve, a water infusion pump, a humidifier, and a small tube coaxially positioned in a larger tube for delivery of respirable gas to a patient.
    Type: Grant
    Filed: October 28, 1983
    Date of Patent: May 20, 1986
    Inventors: Robert L. Chatburn, Marvin D. Lough