TREA

DEMBY DEVELOPMENT CO., LTD.

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  • New Taipei City, TW
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Adapting sleeve of fence door
    • Patent number 12,158,039
    • Issue date Dec 3, 2024
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang Wang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Safety gate
    • Patent number 11,946,315
    • Issue date Apr 2, 2024
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang Wang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Safety gate wall mounting set
    • Patent number D1000944
    • Issue date Oct 10, 2023
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang Wang
    • D08 - Tools and hardware
  • Information Patent Grant

    Safety gate
    • Patent number 11,608,675
    • Issue date Mar 21, 2023
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang Wang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Safety gate
    • Patent number 11,359,432
    • Issue date Jun 14, 2022
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang Wang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Safety gate
    • Patent number 11,149,488
    • Issue date Oct 19, 2021
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung Hsiang Wang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Retractable safety gate
    • Patent number 11,066,871
    • Issue date Jul 20, 2021
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang Wang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Safety gate
    • Patent number 11,015,386
    • Issue date May 25, 2021
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang Wang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Safety gate
    • Patent number 10,927,595
    • Issue date Feb 23, 2021
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang Wang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Low-profile threshold of a safety gate
    • Patent number D907807
    • Issue date Jan 12, 2021
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang Wang
    • D25 - Building units and construction elements
  • Information Patent Grant

    Easy-open safety gate for a barrier
    • Patent number 10,683,700
    • Issue date Jun 16, 2020
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang Wang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Safety gate
    • Patent number 10,683,699
    • Issue date Jun 16, 2020
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung Hsiang Wang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Safety gate and locking device for the same
    • Patent number 9,963,932
    • Issue date May 8, 2018
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang Wang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    ADAPTING SLEEVE OF FENCE DOOR
    • Publication number 20230332467
    • Publication date Oct 19, 2023
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang WANG
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    SAFETY GATE
    • Publication number 20230175317
    • Publication date Jun 8, 2023
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang WANG
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    SAFETY GATE
    • Publication number 20210079700
    • Publication date Mar 18, 2021
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang WANG
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    SAFETY GATE
    • Publication number 20210040791
    • Publication date Feb 11, 2021
    • Demby Development Co., Ltd.
    • Tsung-Hsiang WANG
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    SAFETY GATE
    • Publication number 20200340295
    • Publication date Oct 29, 2020
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung Hsiang WANG
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    SAFETY GATE
    • Publication number 20200063488
    • Publication date Feb 27, 2020
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang WANG
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Easy-Open Safety Gate for a Barrier
    • Publication number 20190360263
    • Publication date Nov 28, 2019
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang WANG
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    CAT TREE
    • Publication number 20190323531
    • Publication date Oct 24, 2019
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang Wang
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    SAFETY GATE
    • Publication number 20190085620
    • Publication date Mar 21, 2019
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang WANG
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Retractable Safety Gate
    • Publication number 20190078382
    • Publication date Mar 14, 2019
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang WANG
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    SAFETY GATE
    • Publication number 20180274288
    • Publication date Sep 27, 2018
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung Hsiang WANG
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    SAFETY GATE AND LOCKING DEVICE FOR THE SAME
    • Publication number 20170067284
    • Publication date Mar 9, 2017
    • DEMBY DEVELOPMENT CO., LTD.
    • Tsung-Hsiang WANG
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES