TREA

Ruvinda Gunawardana

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  • Sugar Land, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vortex tube cooling system
    • Patent number 7,263,836
    • Issue date Sep 4, 2007
    • Schlumberger Technology Corporation
    • Ruvinda Gunawardana
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Heat pipe cooling system
    • Patent number 6,978,828
    • Issue date Dec 27, 2005
    • Schlumberger Technology Corporation
    • Ruvinda Gunawardana
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Self-compensating ovenized clock adapted for wellbore applications
    • Patent number 6,606,009
    • Issue date Aug 12, 2003
    • Schlumberger Technology Corporation
    • Ruvinda Gunawardana
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    [HEAT PIPE COOLING SYSTEM]
    • Publication number 20050284613
    • Publication date Dec 29, 2005
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Ruvinda Gunawardana
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    VORTEX TUBE COOLING SYSTEM
    • Publication number 20050257533
    • Publication date Nov 24, 2005
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Ruvinda Gunawardana
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    [DOWNHOLE TOOLS WITH A STIRLING COOLER SYSTEM]
    • Publication number 20050097911
    • Publication date May 12, 2005
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Guillaume Revellat
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Self-compensating ovenized clock adapted for wellbore applications
    • Publication number 20020125966
    • Publication date Sep 12, 2002
    • Ruvinda Gunawardana
    • H03 - BASIC ELECTRONIC CIRCUITRY