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Ahmet Duman

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  • Houston, TX, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    PUMP CHAMBER POSITION INDICATOR
    • Publication number 20200116142
    • Publication date Apr 16, 2020
    • Hydril USA Distribution LLC
    • Ahmet Duman
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MUD PUMP ANNULAR FRICTION PRESSURE CONTROL SYSTEM AND METHOD
    • Publication number 20180347300
    • Publication date Dec 6, 2018
    • Hydril USA Distribution LLC
    • Dat Manh Nguyen
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SYSTEMS AND METHODS FOR BACKFLUSHING A RISER TRANSFER PIPE
    • Publication number 20170254044
    • Publication date Sep 7, 2017
    • Hydril USA Distribution LLC
    • Dat Manh Nguyen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP CHAMBER POSITION INDICATOR
    • Publication number 20170045044
    • Publication date Feb 16, 2017
    • Hydril USA Distribution, LLC
    • Ahmet DUMAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MODULAR MUD LIFT PUMP ASSEMBLY
    • Publication number 20150240578
    • Publication date Aug 27, 2015
    • Ahmet DUMAN
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    CONTROL VALVE TIMING
    • Publication number 20140262305
    • Publication date Sep 18, 2014
    • HYDRIL USA MANUFACTURING LLC
    • Ahmet Duman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DECOMPRESSION TO FILL PRESSURE
    • Publication number 20140262506
    • Publication date Sep 18, 2014
    • HYDRIL USA MANUFACTURING LLC
    • Ahmet DUMAN
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    AUTOMATIC PUMP CHAMBER CONTROL ADJUSTMENT
    • Publication number 20140262505
    • Publication date Sep 18, 2014
    • HYDRIL USA MANUFACTURING LLC
    • Ahmet Duman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC CUSHION
    • Publication number 20140262531
    • Publication date Sep 18, 2014
    • HYDRIL USA MANUFACTURING LLC
    • Ahmet DUMAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Mudline Managed Pressure Drilling and Enhanced Influx Detection
    • Publication number 20120234550
    • Publication date Sep 20, 2012
    • HYDRIL USA MANUFACTURING LLC
    • David Albert DIETZ
    • E21 - EARTH DRILLING MINING