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Jonathan Zhu

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  • Portage, MI, US
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Patents Applicationslast 30 patents

  • Information Patent Application

    LOW RIPPLE GEAR PUMP/MOTOR
    • Publication number 20070201989
    • Publication date Aug 30, 2007
    • PARKER-HANNIFIN
    • Jonathan Zhu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP WITH RIPPLE CHAMBER FOR LOW NOISE AND PRESSURE RIPPLES
    • Publication number 20070178003
    • Publication date Aug 2, 2007
    • Parker-Hannifin Corporation
    • Jonathan Zhu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...