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Tong-Chang Wang

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  • New Taipei City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Anti-opening container
    • Patent number 12,202,642
    • Issue date Jan 21, 2025
    • SOUTH PLASTIC INDUSTRY CO., LTD.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pneumatic hand tool with adjustable operating angle
    • Patent number 11,801,588
    • Issue date Oct 31, 2023
    • De Poan Pneumatic Corp.
    • I-Tsung Wu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Backward-folded opening-resistant container structure
    • Patent number 11,661,248
    • Issue date May 30, 2023
    • SOUTH PLASTIC INDUSTRY CO., LTD.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tamper-resistant air-permeable container
    • Patent number 11,655,081
    • Issue date May 23, 2023
    • SOUTH PLASTIC INDUSTRY CO., LTD.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tamper-resistant air-permeable container
    • Patent number 11,312,545
    • Issue date Apr 26, 2022
    • SOUTH PLASTIC INDUSTRY CO., LTD.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tamper-evident container
    • Patent number 9,828,149
    • Issue date Nov 28, 2017
    • SOUTH PLASTIC INDUSTRY CO., LTD.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tamper-evident container structure
    • Patent number 9,592,937
    • Issue date Mar 14, 2017
    • SOUTH PLASTIC INDUSTRY CO., LTD.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    PRESSURE RELIEF CONTAINER FOR FOOD TO BE HEATED AND BOX HAVING SAID...
    • Publication number 20240425259
    • Publication date Dec 26, 2024
    • South Plastic Industry Co., Ltd.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    ANTI-OPENING CONTAINER
    • Publication number 20240239552
    • Publication date Jul 18, 2024
    • South Plastic Industry Co., Ltd.
    • Tong-Chang WANG
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    ANTI-OPENING CONTAINER
    • Publication number 20240239562
    • Publication date Jul 18, 2024
    • South Plastic Industry Co., Ltd.
    • Tong-Chang WANG
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    FOLDED OPENING-RESISTANT CONTAINER
    • Publication number 20230010949
    • Publication date Jan 12, 2023
    • South Plastic Industry Co., Ltd.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    BACKWARD-FOLDED OPENING-RESISTANT CONTAINER STRUCTURE
    • Publication number 20230010372
    • Publication date Jan 12, 2023
    • South Plastic Industry Co., Ltd.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    PNEUMATIC HAND TOOL WITH ADJUSTABLE OPERATING ANGLE
    • Publication number 20220274233
    • Publication date Sep 1, 2022
    • DE POAN PNEUMATIC CORP.
    • I-TSUNG WU
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    TAMPER-RESISTANT AIR-PERMEABLE CONTAINER
    • Publication number 20220194669
    • Publication date Jun 23, 2022
    • South Plastic Industry Co., Ltd.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    NON-EQUAL LENGTH OPEN-IDENTIFICATION CONTAINER
    • Publication number 20210237944
    • Publication date Aug 5, 2021
    • South Plastic Industry Co., Ltd.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    TAMPER-RESISTANT AIR-PERMEABLE CONTAINER
    • Publication number 20210139206
    • Publication date May 13, 2021
    • South Plastic Industry Co., Ltd.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    WATER VAPOR GUIDE COVER
    • Publication number 20200198847
    • Publication date Jun 25, 2020
    • South Plastic Industry Co., Ltd.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    PUSH TYPE EXHAUST COVER
    • Publication number 20190367228
    • Publication date Dec 5, 2019
    • South Plastic Industry Co., Ltd.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    TAMPER-EVIDENT CONTAINER
    • Publication number 20170121080
    • Publication date May 4, 2017
    • South Plastic Industry Co., Ltd.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    TAMPER-EVIDENT CONTAINER STRUCTURE
    • Publication number 20170057706
    • Publication date Mar 2, 2017
    • South Plastic Industry Co., Ltd.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Container With Opening Recognizable Function
    • Publication number 20160185490
    • Publication date Jun 30, 2016
    • South Plastic Industry Co., Ltd.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Multilayer Container Structure
    • Publication number 20150239612
    • Publication date Aug 27, 2015
    • South Plastic Industry Co., Ltd.
    • Tong-Chang Wang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL