Patents by Inventor Jack E. Kindred

Jack E. Kindred 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: 5552377
    Abstract: A composition, especially suitable for use as a mud sweep and a spacer. The composition includes a petroleum-based hydrocarbon, a biopolymer, a thickening agent, a surfactant and potassium chloride. Other optional ingredients in embodiments of the present invention include a lower alkanol, sodium salts and aluminum stearate.
    Type: Grant
    Filed: April 20, 1993
    Date of Patent: September 3, 1996
    Inventor: Jack E. Kindred