Patents by Inventor Christopher E. Heuer

Christopher E. Heuer 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 and apparatus for constructing buried pipeline systems
    Patent number: 4358223
    Abstract: A method and apparatus for mitigating or eliminating the frost heave of refrigerated pipelines buried in frost-susceptible soil are provided. A blanket of heat absorbent material is placed over the pipeline on the surface of the soil to increase the flow of heat into the region surrounding the pipeline. This technique may be used in combination with other frost heave mitigation techniques, such as insulating the pipeline and supporting the pipeline with a heave resistant bedding material.
    Type: Grant
    Filed: July 29, 1980
    Date of Patent: November 9, 1982
    Assignee: Exxon Production Research Co.
    Inventors: Hans O. Jahns, Christopher E. Heuer, Hsiu-Hsyong Hsu