Patents by Inventor Johan H. DeBie

Johan H. DeBie 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: 4247368
    Abstract: An apparatus is described for use in combination with a conventional distillation column to provide for measurement and control of reflux flow from a column intermediate fractionation stage at which a liquid side stream draw is taken. The apparatus comprises liquid receiver, flow control, and flow metering elements of particular description, and of particular relative position.
    Type: Grant
    Filed: November 23, 1979
    Date of Patent: January 27, 1981
    Assignee: Shell Oil Company
    Inventors: Robert P. Bannon, Johan H. DeBie