TREA

Chamal Jayanath SENEVIRATNE

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  • Singapore, SG
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wellhead pressure plug
    • Patent number 9,708,875
    • Issue date Jul 18, 2017
    • NUSTAR TECHNOLOGIES PTE LTD
    • Ah Chai Lim
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    CONTINUOUS DRILLING SYSTEM
    • Publication number 20200340318
    • Publication date Oct 29, 2020
    • Tomokazu Saruhashi
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    WELLHEAD PRESSURE PLUG
    • Publication number 20150034338
    • Publication date Feb 5, 2015
    • Nustar Technologies Pte Ltd
    • Ah Chai LIM
    • E21 - EARTH DRILLING MINING