Patents by Inventor Harry L. Walker

Harry L. Walker 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).

  • Distillation method and apparatus
    Patent number: 3939045
    Abstract: A method and apparatus for the separation of a normally liquid stream comprising low, high and intermediate volatility components by distilling the feed stream in a distillation zone, removing a vaporous overhead stream comprising the high volatility components together with some of the intermediate volatility component, removing from a central portion of the zone a vaporous side stream consisting essentially of the intermediate volatility component, the rate of removal of the intermediate volatility component being controlled by the liquid level of the intermediate volatility component condensed from the overhead stream and contained in a reservoir.
    Type: Grant
    Filed: January 9, 1974
    Date of Patent: February 17, 1976
    Assignee: Phillips Petroleum Company
    Inventor: Harry L. Walker