Patents by Inventor Faisal F. Shah

Faisal F. Shah 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).

  • SYNCHRONIZING DOWNHOLE SUBS
    Publication number: 20170315263
    Abstract: Systems for synchronizing downhole subs are disclosed. Some system embodiments may include a first downhole sub including a clock signal generator configured to generate an unmodified clock signal. The first downhole sub may also include a modification circuit configured to modify the clock signal. The system may also include a second downhole sub comprising a phase-locked loop circuit configured to receive as input the modified clock signal and output a second clock signal synchronous with the unmodified clock signal.
    Type: Application
    Filed: December 31, 2014
    Publication date: November 2, 2017
    Applicant: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Matthew C. Griffing, Faisal F. Shah, Brian A. Roberson, Randal T. Beste