Bending device for U-clip production
ZL 2025 2 1090382.1
Recorded holder: Jiangxi Shengmao Packaging Materials Co., Ltd.
Grant date:
Open document ↗Certificates & Patents
Jiangxi Shengmao Packaging Materials Co., Ltd. and Hebei Shengmao Packing Materials Co., Ltd. are affiliated companies. Each document below identifies its own certificate holder or applicant.
Quality management
Jiangxi Shengmao — utility model patents
Adjustable stamping die for R clips
ZL 2025 2 1304955.6
Recorded holder: Jiangxi Shengmao Packaging Materials Co., Ltd.
Grant date:
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Clip bending-angle inspection mechanism
ZL 2025 2 1636499.5
Recorded holder: Jiangxi Shengmao Packaging Materials Co., Ltd.
Grant date:
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Alignment mechanism for R-clip production
ZL 2025 2 1767954.5
Recorded holder: Jiangxi Shengmao Packaging Materials Co., Ltd.
Grant date:
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Feeding mechanism for U-clip production
ZL 2025 2 1194918.4
Recorded holder: Jiangxi Shengmao Packaging Materials Co., Ltd.
Grant date:
Open document ↗Hebei Shengmao — utility model patents
Clip forming mechanism
ZL 2020 2 0499225.7
Recorded holder: Hebei Shengmao Packing Materials Co., Ltd.
Grant date:
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Clip deburring and dust extraction mechanism
ZL 2020 2 0499258.1
Recorded holder: Hebei Shengmao Packing Materials Co., Ltd.
Grant date:
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U-clip production device
ZL 2020 2 0528426.5
Recorded holder: Hebei Shengmao Packing Materials Co., Ltd.
Grant date:
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Straightening and embossing mechanism
ZL 2020 2 0505758.1
Recorded holder: Hebei Shengmao Packing Materials Co., Ltd.
Grant date:
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Clip production device
ZL 2020 2 0528471.0
Recorded holder: Hebei Shengmao Packing Materials Co., Ltd.
Grant date:
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Clip winding mechanism
ZL 2020 2 0528495.6
Recorded holder: Hebei Shengmao Packing Materials Co., Ltd.
Grant date:
Open document ↗Historical records — individual holder
These 2015 certificates name Yang Shengmao as the individual patent holder. They are presented as historical records, not current company-owned patents.
Electric bag-closing machine
ZL 2015 2 0300336.X
Recorded holder: Yang Shengmao
Grant date:
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Manual bag-closing machine
ZL 2015 2 0299025.6
Recorded holder: Yang Shengmao
Grant date:
Open document ↗Patent application documents
These are application records, not patent grant certificates. Filed on 2026-03-06.
Nigeria: patent acknowledgement letter
F/PT/C/O/2026/21709
Applicant: Jiangxi Shengmao Packaging Materials Co., Ltd.
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Nigeria: patent acceptance letter
F/PT/C/O/2026/21710
Applicant: SHENGMAO PACKING MATERIALS CO., LTD. (Hebei)
Open document · PDF ↗The scans record the information at issuance. Current patent status is subject to the patent register. Translated titles are provided for reference.