TREA

Dapeng Duan

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  • Kunshan City, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rivet
    • Patent number 11,821,450
    • Issue date Nov 21, 2023
    • Penn Engineering & Manufacturing Corp.
    • Qiang Sun
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clinch fastener with a spiral shank
    • Patent number 11,703,076
    • Issue date Jul 18, 2023
    • Penn Engineering & Manufacturing Corp.
    • Qiang Sun
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    RIVET
    • Publication number 20200332818
    • Publication date Oct 22, 2020
    • Penn Engineering & Manufacturing Corp.
    • Qiang Sun
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CLINCH FASTENER WITH A SPIRAL SHANK
    • Publication number 20200011367
    • Publication date Jan 9, 2020
    • Penn Engineering & Manufacturing Corp.
    • Qiang Sun
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Connecting Structural Member
    • Publication number 20180266477
    • Publication date Sep 20, 2018
    • Penn Engineering & Manufacturing Corp.
    • Peng Ni
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...