Patents by Inventor Frank W. Stechmeyer

Frank W. Stechmeyer 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).

  • Pour point reduction of syncrude
    Patent number: 4405825
    Abstract: A composition and method for reducing the pour point of syncrude, such as those from oil shale, tar sands, oil-impregnated diatomite ore, or coal, by adding thereto an effective amount of a nitrogen-containing compound such as ammonia, ammonium hydroxide or a primary, secondary or tertiary water-soluble aliphatic amine or alkanolamine having one or more alkyl groups containing 1 to 4 carbon atoms.
    Type: Grant
    Filed: October 30, 1981
    Date of Patent: September 20, 1983
    Assignee: Union Oil Company of California
    Inventors: Donald M. Fenton, Dennis D. Delaney, Frank W. Stechmeyer
  • Method for transporting waxy oils by pipeline
    Patent number: 4104171
    Abstract: A process for reducing the force required to restart the flow of wax-containing oil which has statically cooled to its pour point or below by inserting a plurality of yieldable fluid spacers in an oil column to divide the column into shorter hydraulically isolated segments and thus reduce the forces required to yield the gelled oil.
    Type: Grant
    Filed: December 30, 1976
    Date of Patent: August 1, 1978
    Assignee: Union Oil Company of California
    Inventor: Frank W. Stechmeyer