Patents by Inventor Gerard Hohner

Gerard Hohner 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 of and apparatus for determining the path of a well bore under drilling conditions
    Patent number: 6714870
    Abstract: Apparatus for determining the path of a well bore during drilling, comprises an inertial measurement unit (12) for providing data from which position, velocity and attitude can be derived, the measurement unit comprising a plurality of inertial sensors mounted on a platform assembly which is, in use, disposed within a drill string (6), and a drive unit (5) for rotating the platform assembly so as to control the rate of angular displacement of the platform assembly with respect to an Earth fixed reference frame.
    Type: Grant
    Filed: March 8, 2002
    Date of Patent: March 30, 2004
    Assignee: Halliburton Energy Services, Inc.
    Inventors: John Lionel Weston, Dieter Goetz, Gerard Hohner