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Hua Feng

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  • Chongqing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drill bit locking device and drill bit
    • Patent number 9,295,475
    • Issue date Mar 29, 2016
    • Chongqing Runze Pharmaceutical Co., Ltd
    • Lei Ye
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Craniotomy drill
    • Patent number 9,295,480
    • Issue date Mar 29, 2016
    • Chongqing Runze Pharmaceutical Co., Ltd
    • Lei Ye
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Surgical milling cutter bracket
    • Patent number 9,282,982
    • Issue date Mar 15, 2016
    • Chongqing Runze Pharmaceutical Co., Ltd
    • Lei Ye
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Drill head locking apparatus and drill head
    • Patent number 9,254,136
    • Issue date Feb 9, 2016
    • Chongqing Runze Pharmaceutical Co., Ltd
    • Lei Ye
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Crystal form I of (S)-4-hydroxy-2-oxo-1-pyrrolidine acetamide, prep...
    • Patent number 9,238,622
    • Issue date Jan 19, 2016
    • Chongqing Runze Pharmaceutical Co., Ltd
    • Chao You
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Surgical milling cutter
    • Patent number 9,017,332
    • Issue date Apr 28, 2015
    • Chongqing Runze Pharmaceutical Co., Ltd
    • Lei Ye
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Surgical milling cutter
    • Patent number 8,900,260
    • Issue date Dec 2, 2014
    • Chongqing Runze Pharmaceutical Co., Ltd
    • Lei Ye
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents