Patents by Inventor Hubert S. Pearson

Hubert S. Pearson 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).

  • Electromagnetic borehole flowmeter system
    Patent number: 5388455
    Abstract: An improved flowmeter system is described, together with circuitry, hardware, and techniques for its utilization for determining the rate of flow of fluids in conduits at a situs substantially remote from the information gathering and analysis situs. Arrangements are provided for utilization of the system in conduits, including deep water wells, having diameters as small as 2 inches, and wherein very low flowrates of liquid therein can be quite accurately measured to depths in the range of hundreds to thousands of feet.
    Type: Grant
    Filed: November 15, 1993
    Date of Patent: February 14, 1995
    Assignee: Tennessee Valley Authority
    Inventors: Jimmie W. Hamby, Hubert S. Pearson, William R. Waldrop, Donald E. Warren, Steven C. Young
  • Electromagnetic borehole flowmeter system
    Patent number: 5297425
    Abstract: An improved flowmeter system is described, together with circuitry, hardware, and techniques for its utilization for determining the rate of flow of fluids in conduits at a situs substantially remote from the information gathering and analysis situs. Arrangements are provided for utilization of the system in conduits, including deep water wells, having diameters as small as 2 inches, and wherein very low flowrates of liquid therein can be quite accurately measured to depths in the range of hundreds to thousands of feet.
    Type: Grant
    Filed: March 23, 1992
    Date of Patent: March 29, 1994
    Assignee: Tennessee Valley Authority
    Inventors: Jimmie W. Hamby, Hubert S. Pearson, William R. Waldrop, Donald E. Warren, Steven C. Young