Patents by Inventor Karl-Heinz Gaida

Karl-Heinz Gaida 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).

  • Method of recovering petroleum and bitumen from subterranean reservoirs
    Patent number: 4252191
    Abstract: A method of recovering petroleum from an underground reservoir by employing an in-situ combustion at a pressure of at least 120 bar by the simultaneous injection of oxygen and water whereby the temperature is controlled in the range of 450.degree.-550.degree. C.
    Type: Grant
    Filed: December 13, 1979
    Date of Patent: February 24, 1981
    Assignee: Deutsche Texaco Aktiengesellschaft
    Inventors: Gunter Pusch, Karl-Heinz Gaida