Patents by Inventor Bruce W. Mackay

Bruce W. Mackay 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).

  • Formation tester tool seal pad
    Patent number: 7584655
    Abstract: A formation tester tool includes a formation tester tool body having a surface, a formation probe assembly located within the formation tester tool body, the formation probe assembly including a piston reciprocal between a retracted position and an extended position beyond the surface of the formation tester tool body, the piston being slidingly retained within a chamber, and a seal pad located at an end of the piston, wherein the seal pad includes a first inner sealing element and a second outer sealing element.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: September 8, 2009
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Anthony H. van Zuilekom, Chi-Huang Michael Chang, Sue-Lee Luo Chang, legal representative, Arian Abbas, Bruce W. Mackay
  • FORMATION TESTER TOOL SEAL PAD
    Publication number: 20080295588
    Abstract: A formation tester tool includes a formation tester tool body having a surface, a formation probe assembly located within the formation tester tool body, the formation probe assembly including a piston reciprocal between a retracted position and an extended position beyond the surface of the formation tester tool body, the piston being slidingly retained within a chamber, and a seal pad located at an end of the piston, wherein the seal pad includes a first inner sealing element and a second outer sealing element.
    Type: Application
    Filed: May 31, 2007
    Publication date: December 4, 2008
    Inventors: Anthony H. van Zuilekom, Chi-Huang Michael Chang, Sue-Lee Luo Chang, Arian Abbas, Bruce W. Mackay
  • Core separator assembly
    Patent number: 5487433
    Abstract: An assembly for dispensing a core separator ring on the top of a previously-cut core that is ejected from a core-cutting bit in a storage bin. The core separator assembly is integral with the forward end of the core ejector system.
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: January 30, 1996
    Assignee: Westers Atlas International Inc.
    Inventors: Bruce W. Mackay, Abbas Arian