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James D. Roach

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  • Duncan, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Double-acting, duplex pump controlled by two, two position spool va...
    • Patent number 7,713,033
    • Issue date May 11, 2010
    • Halliburton Energy Services, Inc.
    • James D. Roach
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable rate pumping system
    • Patent number 7,563,076
    • Issue date Jul 21, 2009
    • Halliburton Energy Services, Inc.
    • John Dexter Brunet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Variable Rate Pumping System
    • Publication number 20090252616
    • Publication date Oct 8, 2009
    • Halliburton Energy Services, Inc.
    • John Dexter Brunet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Double-acting, duplex pump controlled by two, two position spool va...
    • Publication number 20060099087
    • Publication date May 11, 2006
    • Halliburton Energy Services, Inc.
    • James D. Roach
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable rate pumping system
    • Publication number 20060088423
    • Publication date Apr 27, 2006
    • Halliburton Energy Services, Inc.
    • John Dexter Brunet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...