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Helin Zhou

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roll-on packaging bottle
    • Patent number 12,329,263
    • Issue date Jun 17, 2025
    • PPK (SHANGHAI) PACKAGING CO., LTD
    • Helin Zhou
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Packaging device and refill device
    • Patent number 11,992,107
    • Issue date May 28, 2024
    • PPK (SHANGHAI) PACKAGING CO., LTD
    • Helin Zhou
    • A45 - HAND OR TRAVELLING ARTICLES

Patents Applicationslast 30 patents

  • Information Patent Application

    PACKAGING DEVICE AND REFILL DEVICE
    • Publication number 20220160101
    • Publication date May 26, 2022
    • PPK (SHANGHAI) PACKAGING CO., LTD
    • Helin Zhou
    • A45 - HAND OR TRAVELLING ARTICLES