Patents by Inventor L. J. Lederhos, Jr.

L. J. Lederhos, Jr. 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).

  • Downhole gaseous liquid flow agitator
    Patent number: 4811786
    Abstract: An apparatus and process of mixing a gaseous phase and a liquid phase within a tubing string in a well bore is described. The apparatus and process form a homogeneous gaseous phase liquid phase mixture without requiring a blocking restriction within the tubing string.
    Type: Grant
    Filed: October 31, 1985
    Date of Patent: March 14, 1989
    Assignee: Chevron Research Company
    Inventors: G. N. Kamilos, D. D. Kennedy, L. J. Lederhos, Jr.