Patents by Inventor John D. Kight

John D. Kight 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: 4987894
    Abstract: The present invention is directed to an anesthetic evacuation device for use in situations where the anesthetic gasses are exhausted into the room air. More specifically, the invention discloses a device which can be attached to the popoff valve of many of the current anesthesia machines. The device contains and exhausts the excess anesthesia gases to the outside air, preventing any danger to medical personnel who may be in the same room. The system also allows for the rapid exhaust of any leftover gasses following the medical procedure.
    Type: Grant
    Filed: April 6, 1989
    Date of Patent: January 29, 1991
    Inventor: John D. Kight