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Yang Cao

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  • Nanjing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cutting tool
    • Patent number 11,351,640
    • Issue date Jun 7, 2022
    • Nanjing Chervon Industry Co., Ltd.
    • Zhifeng Chen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting machine for stone materials
    • Patent number 8,607,775
    • Issue date Dec 17, 2013
    • Chervon (HK) Limited
    • Yang Cao
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

  • Information Patent Application

    CUTTING TOOL
    • Publication number 20190118317
    • Publication date Apr 25, 2019
    • Nanjing Chervon Industry Co., Ltd.
    • Zhifeng Chen
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    TILE SAW HAVING A TABLE SUPPORT RAIL PROTECTION DEVICE
    • Publication number 20100288258
    • Publication date Nov 18, 2010
    • Yang Cao
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    Saw
    • Publication number 20080047411
    • Publication date Feb 28, 2008
    • Yang Cao
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR