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Motoyasu Ogawa

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  • Tokorozawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing member and submerged pump system
    • Patent number 12,247,575
    • Issue date Mar 11, 2025
    • Nikkiso Co., Ltd.
    • Yasuo Tomita
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump stabilizer and method
    • Patent number 7,063,512
    • Issue date Jun 20, 2006
    • Nikkiso Company, Ltd.
    • William G. Haesloop
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Insulation means for a centrifugal pump
    • Patent number 6,655,930
    • Issue date Dec 2, 2003
    • Nikkiso Co., Ltd.
    • Hitoshi Sato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Diffusor pump having diffusor blades
    • Patent number 5,383,764
    • Issue date Jan 24, 1995
    • Nikkiso, Co., Ltd.
    • Motoyasu Ogawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal pump with an improved axial diffusor
    • Patent number 5,330,318
    • Issue date Jul 19, 1994
    • Nikkiso Co., Ltd.
    • Motoyasu Ogawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    FOOT VALVE ASSEMBLY AND SUBMERGED PUMP SYSTEM
    • Publication number 20230323967
    • Publication date Oct 12, 2023
    • Nikkiso Co., Ltd.
    • Yasuo TOMITA
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Application

    FOOT VALVE ASSEMBLY AND SUBMERGED PUMP SYSTEM
    • Publication number 20230265933
    • Publication date Aug 24, 2023
    • Nikkiso Co., Ltd.
    • Yasuo TOMITA
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Application

    SEALING MEMBER AND SUBMERGED PUMP SYSTEM
    • Publication number 20230204036
    • Publication date Jun 29, 2023
    • Nikkiso Co., Ltd.
    • Yasuo TOMITA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING MEMBER AND SUBMERGED PUMP SYSTEM
    • Publication number 20230204043
    • Publication date Jun 29, 2023
    • Nikkiso Co., Ltd.
    • Yasuo TOMITA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pump stabilizer and method
    • Publication number 20060104841
    • Publication date May 18, 2006
    • William G. Haesloop
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP STABILIZER AND METHOD
    • Publication number 20040037721
    • Publication date Feb 26, 2004
    • NIKKISO CORPORATION, INC.
    • William G. Haesloop
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Centrifugal pump
    • Publication number 20020114714
    • Publication date Aug 22, 2002
    • Hitoshi Sato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...