Patents by Inventor Calvin C. Chien

Calvin C. Chien 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: 4249776
    Abstract: A method for optimal placement and orientation of a well field for solution mining comprises first determining the direction and magnitude of the major and minor axes of transmissivity of the ore body. Then, determining the location of the injection and recovery wells based on the magnitude and orientation of the major and minor axes of transmissivity.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: February 10, 1981
    Assignee: Wyoming Mineral Corporation
    Inventors: David L. Shuck, Calvin C. Chien