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Waleed Al-Refae

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  • Hawally, KW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary valve system
    • Patent number 8,671,899
    • Issue date Mar 18, 2014
    • Khalid Al-Khulaifi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTARY VALVE SYSTEM
    • Publication number 20130180492
    • Publication date Jul 18, 2013
    • Khalid Al-Khulaifi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES