Patents by Inventor Clifford W. Hamberlin

Clifford W. Hamberlin 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).

  • Tool and combined tool support and casing section for use in transmitting data up a well
    Patent number: 4616702
    Abstract: A tool changes the electrical conductance across a nonconductive separation in a string of electrically conductive casing in a well located in the earth. The tool is for transmission of data up the well. The casing has at least one inwardly extending landing shoulder for the tool. The tool has a housing elongated between first and second ends. The housing has a first contact for electrical connection to the casing on one side of the nonconductive separation. The housing has a second contact spaced from the first contact for electrical connection to the casing on the other side of the nonconductive separation from the one side. The housing also has a nonconductive housing portion, substantially circular in cross-section, between the first and second contacts. An outwardly extending landing shoulder is provided on the housing for landing and for supporting the tool on the casing landing shoulder.
    Type: Grant
    Filed: May 1, 1984
    Date of Patent: October 14, 1986
    Assignee: Comdisco Resources, Inc.
    Inventors: Merle E. Hanson, Paul F. Titchener, Clifford W. Hamberlin