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James David RATCLIFFE

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  • Hook, GB
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    MAGNETIC FREEPOINT INDICATOR TOOL
    • Publication number 20210341551
    • Publication date Nov 4, 2021
    • Baker Hughes Oilfield Operations LLC
    • James David Ratcliffe
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MAGNETIC FREEPOINT INDICATOR TOOL
    • Publication number 20210341552
    • Publication date Nov 4, 2021
    • Baker Hughes Oilfield Operations LLC
    • James David Ratcliffe
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MAGNETIC FREEPOINT INDICATOR TOOL
    • Publication number 20210199837
    • Publication date Jul 1, 2021
    • Baker Hughes Oilfield Operations LLC
    • Jim Andrew Gulliver
    • G01 - MEASURING TESTING
  • Information Patent Application

    OPTICAL GAS SENSOR ASSEMBLY
    • Publication number 20200200006
    • Publication date Jun 25, 2020
    • Baker Hughes Oilfield Operations LLC
    • Neil Geoffrey Harris
    • G01 - MEASURING TESTING
  • Information Patent Application

    Opto-Electronics Module for a Downhole Gas Detection Sensor
    • Publication number 20200200942
    • Publication date Jun 25, 2020
    • Baker Hughes Oilfield Operations LLC
    • Andrew Main
    • G01 - MEASURING TESTING
  • Information Patent Application

    ARM DEPLOYMENT SYSTEM AND METHOD
    • Publication number 20180363397
    • Publication date Dec 20, 2018
    • SONDEX WIRELINE LIMITED
    • James David Ratcliffe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SENSOR DEPLOYMENT SYSTEM AND METHOD
    • Publication number 20180363447
    • Publication date Dec 20, 2018
    • SONDEX WIRELINE LIMITED
    • Timothy Michael Gill
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SENSOR DEPLOYMENT SYSTEM AND METHOD
    • Publication number 20180363448
    • Publication date Dec 20, 2018
    • SONDEX WIRELINE LIMITED
    • James David Ratcliffe
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SENSOR BRACKET SYSTEM AND METHOD
    • Publication number 20180363449
    • Publication date Dec 20, 2018
    • SONDEX WIRELINE LIMITED
    • James David Ratcliffe
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    OPTICAL FIBRE QUICK CONNECT BOX
    • Publication number 20170059782
    • Publication date Mar 2, 2017
    • SONDEX WIRELINE LIMITED
    • James David Ratcliffe
    • G02 - OPTICS
  • Information Patent Application

    Acoustic Isolater for a Downhole Tool
    • Publication number 20150146501
    • Publication date May 28, 2015
    • GE OIL & GAS LOGGING SERVICES, INC.
    • James David RATCLIFFE
    • G01 - MEASURING TESTING
  • Information Patent Application

    SIMPLIFIED MEASUREMENT OF BOREHOLE FLUID RESISTIVITY
    • Publication number 20150136385
    • Publication date May 21, 2015
    • GE OIL & GAS LOGGING SERVICES, INC.
    • James David RATCLIFFE
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    LOAD CELL FOR A DOWNHOLE LOAD MEASURING TOOL
    • Publication number 20120279322
    • Publication date Nov 8, 2012
    • James David Ratcliffe
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MULTIFUNCTION DOWNHOLE RELEASE TOOL MECHANISM WITH LOST MOTION
    • Publication number 20120132439
    • Publication date May 31, 2012
    • SONDEX WIRELINE LIMITED
    • James David RATCLIFFE
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PRESSURE BALANCING DEVICE
    • Publication number 20110277545
    • Publication date Nov 17, 2011
    • James David RATCLIFFE
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE MODULATOR APPARATUS
    • Publication number 20100126711
    • Publication date May 27, 2010
    • John BUSS
    • E21 - EARTH DRILLING MINING