Patents by Inventor Jeff Li

Jeff Li 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).

  • Coiled tubing wellbore cleanout
    Patent number: 6923871
    Abstract: Method and apparatus for substantially cleaning fill from a borehole, variously including in preferred embodiments disturbing particulate solids of fill while RIH, entraining particulates while POOH, jetting downhole while RIH and jetting uphole while POOH, and controlling at least one of a pump rate regime or a POOH rate regime.
    Type: Grant
    Filed: May 5, 2003
    Date of Patent: August 2, 2005
    Assignee: BJ Services Company
    Inventors: Scott A. Walker, Jeff Li, Graham Wilde
  • Liquid crystal display and the backlight module thereof
    Publication number: 20050128376
    Abstract: An LCD and the backlight module thereof is provided. The backlight module includes a printed circuit board, a first light source, a first signal-modulating device, and a second light source. The first signal-modulating device is disposed on the printed circuit board and is electrically connected to the first light source. The first light source is adjusted through the first signal-modulating device to generate light with substantially the same luminance as that of the second light source with different luminance characteristics, so that the backlight module achieves uniform luminance.
    Type: Application
    Filed: December 1, 2004
    Publication date: June 16, 2005
    Inventors: Jeff Li, Tzu-Pang Chiang
  • Coiled tubing wellbore cleanout
    Publication number: 20030200995
    Abstract: Method and apparatus for substantially cleaning fill from a borehole, variously including in preferred embodiments disturbing particulate solids of fill while RIH, entraining particulates while POOH, jetting downhole while RIH and jetting uphole while POOH, and controlling at least one of a pump rate regime or a POOH rate regime.
    Type: Application
    Filed: May 5, 2003
    Publication date: October 30, 2003
    Applicant: BJ Services Company
    Inventors: Scott A. Walker, Jeff Li, Graham Wilde
  • Coiled tubing wellbore cleanout
    Patent number: 6607607
    Abstract: Method and apparatus for substantially cleaning fill from a borehole, variously including in preferred embodiments disturbing, particulate solids of fill while RIH, entraining particulates while POOH, jetting downhole while RIH and jetting uphole while POOH, and controlling at least one of a pump rate regime or a POOH rate regime.
    Type: Grant
    Filed: March 6, 2001
    Date of Patent: August 19, 2003
    Assignee: BJ Services Company
    Inventors: Scott A. Walker, Jeff Li, Graham Wilde
  • Coiled tubing wellbore cleanout
    Publication number: 20030056811
    Abstract: Method and apparatus for substantially cleaning fill from a borehole, variously including in preferred embodiments disturbing particulate solids of fill while RIH, entraining particulates while POOH, jetting downhole while RIH and jetting uphole while POOH, and controlling at least one of a pump rate regime or a POOH rate regime.
    Type: Application
    Filed: March 6, 2001
    Publication date: March 27, 2003
    Inventors: Scott A. Walker, Jeff Li, Graham Wilde