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Na Xu

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  • Hangzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Welded high-pressure fuel pump roller tappet
    • Patent number 10,408,093
    • Issue date Sep 10, 2019
    • Hangzhou XZB Tech Co., Ltd
    • Na Xu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Lightweight rocker arm frame and curved crown part forming process...
    • Patent number 10,287,930
    • Issue date May 14, 2019
    • Hangzhou XZB Tech Co., Ltd
    • Na Xu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Column type hydraulic tappet
    • Patent number 10,215,201
    • Issue date Feb 26, 2019
    • Hangzhou XZB Tech Co., Ltd
    • Na Xu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Columnar hydraulic tappet
    • Patent number 10,208,634
    • Issue date Feb 19, 2019
    • HANGZHOU XZB TECH CO., LTD
    • Na Xu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    High-pressure fuel pump actuator used in engine
    • Patent number 9,885,330
    • Issue date Feb 6, 2018
    • Hangzhou XZB Tech Co., Ltd
    • Na Xu
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Columnar hydraulic tappet
    • Patent number 9,869,212
    • Issue date Jan 16, 2018
    • Hangzhou XZB Tech Co., Ltd
    • Na Xu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    High pressure oil pump roller tappet
    • Patent number 9,863,382
    • Issue date Jan 9, 2018
    • Hangzhou XZB Tech Co., Ltd
    • Na Xu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    LIGHTWEIGHT ROCKER ARM FRAME AND CURVED CROWN PART FORMING PROCESS...
    • Publication number 20190093522
    • Publication date Mar 28, 2019
    • Hangzhou XZB Tech Co.,Ltd
    • Na XU
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    WELDED HIGH-PRESSURE FUEL PUMP ROLLER TAPPET
    • Publication number 20190085731
    • Publication date Mar 21, 2019
    • Hangzhou XZB Tech Co.,Ltd
    • NA XU
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HIGH PRESSURE OIL PUMP ROLLER TAPPET
    • Publication number 20170342951
    • Publication date Nov 30, 2017
    • Hangzhou XZB Tech Co.,Ltd
    • Na XU
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    COLUMNAR HYDRAULIC TAPPET
    • Publication number 20170342867
    • Publication date Nov 30, 2017
    • HANGZHOU XZB TECH CO., LTD
    • Na XU
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    COLUMNAR HYDRAULIC TAPPET
    • Publication number 20160298502
    • Publication date Oct 13, 2016
    • HANGZHOU XZB TECH CO., LTD.
    • NA XU
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    COLUMN TYPE HYDRAULIC TAPPET
    • Publication number 20160238044
    • Publication date Aug 18, 2016
    • Hangzhou XZB Tech Co., Ltd.
    • Na Xu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL