Patents by Inventor Everett D. Thompson

Everett D. Thompson 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).

  • Coal stacking tower dust control system
    Patent number: 4306895
    Abstract: An improved stacking tower is equipped with a dust pollution control system which maintains a negative pressure within the tower and comprises an exhaust means, dust collection and removal means and movable closure means for closing the discharge openings of the tower. A modulating air damper is also provided to adjust the volume of air passing through the tower.
    Type: Grant
    Filed: January 31, 1980
    Date of Patent: December 22, 1981
    Assignee: Dravo Corporation
    Inventors: Everett D. Thompson, Dennis D. Sousek