Patents by Inventor Jacques Curchod

Jacques Curchod 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).

  • Chimney for purifying smoke of gases
    Patent number: 3984220
    Abstract: A chimney for purifying smoke or gases has a tubular lining within the chimney on which a cleaning liquid downwardly flows. A central helicoidal surface composed of a plurality of piled helical elements, imparts a helical movement to smoke or gases rising through the chimney, whereby impurities impinge on the film of liquid and are washed down. The lining can consist of a plurality of single or double walled tubular elements piled end-to-end and possibly arranged to supply the liquid in cascade.
    Type: Grant
    Filed: May 21, 1974
    Date of Patent: October 5, 1976
    Inventor: Jacques Curchod