Patents by Inventor Levin L. Bong

Levin L. Bong 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: 9062497
    Abstract: Measurements made by a rotating sensor on a bottomhole assembly are used to determine the toolface angle of the BHA. The method includes using a phase locked loop (PLL) to determine a phase difference between the sensor output and a reference signal.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: June 23, 2015
    Assignee: BAKER HUGHES INCORPORATED
    Inventors: Ingolf Wassermann, Fang Zhang, Thomas Kelch, Levin L. Bong, Sven Krueger
  • Publication number: 20100187008
    Abstract: Measurements made by a rotating sensor on a bottomhole assembly are used to determine the toolface angle of the BHA. The method includes using a phase locked loop (PLL) to determine a phase difference between the sensor output and a reference signal.
    Type: Application
    Filed: October 28, 2009
    Publication date: July 29, 2010
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Ingolf Wassermann, Fang Zhang, Thomas Kelch, Levin L. Bong, Sven Krueger
  • Publication number: 20100101860
    Abstract: Measurements made by a rotating sensor on a bottomhole assembly are used to determine the toolface angle of the BHA. The method includes using a phase locked loop (PLL) to determine a phase difference between the sensor output and a reference signal.
    Type: Application
    Filed: October 29, 2008
    Publication date: April 29, 2010
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Ingolf Wassermann, Fang Zhang, Thomas Kelch, Levin L. Bong, Sven Krueger