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Zhigang Hao

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  • Huana Province, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roller mill
    • Patent number 10,441,955
    • Issue date Oct 15, 2019
    • CHANGSHA SHENXIANG UNIVERSAL MACHINE CO., LTD.
    • Zhigang Hao
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Grinding device of vertical grinder
    • Patent number 8,157,196
    • Issue date Apr 17, 2012
    • Zhigang Hao
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Horizontal roller mill
    • Patent number 7,118,057
    • Issue date Oct 10, 2006
    • Zhigang Hao
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents

  • Information Patent Application

    ROLLER MILL
    • Publication number 20160271615
    • Publication date Sep 22, 2016
    • Changsha Shenxiang Universal Machine Co., Ltd.
    • Zhigang HAO
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    HAMMER CRUSHER
    • Publication number 20160121334
    • Publication date May 5, 2016
    • CHANGSHA SHENXIANG UNIVERSAL MACHINE CO., LTD.
    • Zhigang Hao
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    GRINDING DEVICE OF VERTICAL GRINDER
    • Publication number 20100288865
    • Publication date Nov 18, 2010
    • Zhigang Hao
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    Horizontal roller mill
    • Publication number 20040206835
    • Publication date Oct 21, 2004
    • Zhigang Hao
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...