Patents by Inventor Egon H. Garthoffner

Egon H. Garthoffner 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).

  • In-situ combustion in hydrocarbon-bearing formations
    Patent number: 4615391
    Abstract: Finely divided, preferably colloidally sized magnesium metal particles in an aqueous suspension are infused throughout a hydrocarbon-bearing formation and combusted or reacted with water for in-situ combustion to heat the formation.
    Type: Grant
    Filed: August 13, 1984
    Date of Patent: October 7, 1986
    Assignee: Tenneco Oil Company
    Inventor: Egon H. Garthoffner