Patents by Inventor Liang C. Shen

Liang C. Shen 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).

  • Microwave electromagnetic borehole dipmeter
    Patent number: 4600887
    Abstract: A microwave electromagnetic logging tool for use in the determination of the dip of subsurface earth formations includes a continuous source of microwave energy, three microwave antennas positioned from the longitudinal axis of the logging tool and spaced approximately equally around such axis, and a device for measuring the loading effect on the three antennas as the three antennas continuously transmit microwave energy into the formations during movement of the logging tool through the borehole.
    Type: Grant
    Filed: April 18, 1984
    Date of Patent: July 15, 1986
    Assignee: Mobil Oil Corporation
    Inventors: Willett F. Baldwin, Liang C. Shen