TREA

DOOR & WINDOW HARDWARE CO.

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  • Taichung City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Clamp
    • Patent number 10,448,754
    • Issue date Oct 22, 2019
    • Door & Window Hardware Co.
    • Wei-Hung Chang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Two-point lock
    • Patent number 10,323,438
    • Issue date Jun 18, 2019
    • Door & Window Hardware Co.
    • Wei-Hung Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Sliding-door handle device
    • Patent number 9,309,691
    • Issue date Apr 12, 2016
    • Door & Window Hardware Co.
    • Wei-Hung Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Magnetic locking apparatus
    • Patent number 9,145,720
    • Issue date Sep 29, 2015
    • Door & Window Hardware Co.
    • Wei-Hung Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Hydraulic hinge buffer assembly for a door
    • Patent number 9,140,043
    • Issue date Sep 22, 2015
    • Door & Window Hardware Co.
    • Wei-Hung Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Clamping-sliding assembly for a single-track-suspension sliding door
    • Patent number 8,955,195
    • Issue date Feb 17, 2015
    • Door & Window Hardware Co.
    • Wei-Hung Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lock assembly
    • Patent number 8,875,549
    • Issue date Nov 4, 2014
    • Door & Window Hardware Co.
    • Wei-Hung Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Auto-closing device for a sliding door
    • Patent number 8,745,821
    • Issue date Jun 10, 2014
    • Door & Window Hardware Co.
    • Wei-Hung Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Driving device for driving two door panels to synchronously move
    • Patent number 8,407,941
    • Issue date Apr 2, 2013
    • Door & Window Hardware Co.
    • Wei-Hung Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Soft-closing device for a sliding door
    • Patent number 8,307,497
    • Issue date Nov 13, 2012
    • Door & Window Hardware Co.
    • James Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Rail assembly for a glass door
    • Patent number 7,963,077
    • Issue date Jun 21, 2011
    • Door & Window Hardware Co.
    • Sung-Hui Lin
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Sliding assembly having a body for transversal sliding door
    • Patent number 7,841,048
    • Issue date Nov 30, 2010
    • Door & Window Hardware Co.
    • Dong-Shiuan Tsai
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lock assembly
    • Patent number 7,661,279
    • Issue date Feb 16, 2010
    • Door & Window Hardware Co.
    • Hsing-Hui Huang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Roller assembly for a frameless sliding glass door
    • Patent number 7,637,059
    • Issue date Dec 29, 2009
    • Door & Window Hardware Co.
    • James Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Latch Structure
    • Patent number 7,516,992
    • Issue date Apr 14, 2009
    • Door & Window Hardware Co.
    • Jung-Chang Peng
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Latch locking apparatus for a frameless glass door
    • Patent number 7,441,428
    • Issue date Oct 28, 2008
    • Door & Window Hardware Co.
    • Wei-Hung Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Securing device for a window
    • Patent number 6,996,875
    • Issue date Feb 14, 2006
    • Door & Window Hardware Co.
    • Fanny Chiang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Handle of a glass door
    • Patent number 6,966,101
    • Issue date Nov 22, 2005
    • Door & Window Hardware Co.
    • Fanny Chiang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    TWO-POINT LOCK
    • Publication number 20180155964
    • Publication date Jun 7, 2018
    • DOOR & WINDOW HARDWARE CO.
    • Wei-Hung Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Guide Device for a Sliding Door
    • Publication number 20160356073
    • Publication date Dec 8, 2016
    • DOOR & WINDOW HARDWARE CO.
    • Wei-Hung Chang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    MULTIFUNCTION FRAME FOR AN ELECTRIC SLIDING DOOR
    • Publication number 20150259962
    • Publication date Sep 17, 2015
    • DOOR & WINDOW HARDWARE CO.
    • Wei-Hung Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    HYDRAULIC CYLINDER IMPACT-BUFFERING ASSEMBLY
    • Publication number 20150197972
    • Publication date Jul 16, 2015
    • DOOR & WINDOW HARDWARE CO.
    • Wei-Hung CHANG
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    SLIDING-DOOR HANDLE DEVICE
    • Publication number 20150096149
    • Publication date Apr 9, 2015
    • DOOR & WINDOW HARDWARE CO.
    • Wei-Hung Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    HYDRAULIC HINGE BUFFER ASSEMBLY FOR A DOOR
    • Publication number 20150033504
    • Publication date Feb 5, 2015
    • DOOR & WINDOW HARDWARE CO.
    • Wei-Hung Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    MAGNETIC LOCKING APPARATUS
    • Publication number 20140265362
    • Publication date Sep 18, 2014
    • DOOR & WINDOW HARDWARE CO.
    • Wei-Hung Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    CLAMPING-SLIDING ASSEMBLY FOR A SINGLE-TRACK-SUSPENSION SLIDING DOOR
    • Publication number 20140143980
    • Publication date May 29, 2014
    • DOOR & WINDOW HARDWARE CO.
    • Wei-Hung Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    LOCK ASSEMBLY
    • Publication number 20140109635
    • Publication date Apr 24, 2014
    • DOOR & WINDOW HARDWARE CO.
    • Wei-Hung Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    AUTO-CLOSING DEVICE FOR A SLIDING DOOR
    • Publication number 20140109343
    • Publication date Apr 24, 2014
    • DOOR & WINDOW HARDWARE CO.
    • Wei-Hung CHANG
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    SOFT-CLOSING DEVICE FOR A SLIDING DOOR
    • Publication number 20110167588
    • Publication date Jul 14, 2011
    • DOOR & WINDOW HARDWARE CO.
    • James Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    WINDOW TILT LATCH
    • Publication number 20110025075
    • Publication date Feb 3, 2011
    • DOOR & WINDOW HARDWARE CO.
    • James CHANG
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    AUTOMATIC POSITIONING HINGE
    • Publication number 20100275410
    • Publication date Nov 4, 2010
    • DOOR & WINDOW HARDWARE CO.
    • Wei-Hung CHANG
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    RAIL ASSEMBLY FOR A GLASS DOOR
    • Publication number 20100205880
    • Publication date Aug 19, 2010
    • DOOR & WINDOW HARDWARE CO.
    • Sung-Hui LIN
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    LOCK ASSEMBLY
    • Publication number 20090183539
    • Publication date Jul 23, 2009
    • DOOR & WINDOW HARDWARE CO.
    • Hsing-Hui HUANG
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Frameless glass door clamp
    • Publication number 20080093520
    • Publication date Apr 24, 2008
    • DOOR & WINDOW HARDWARE CO.
    • Wei-Hung Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Trademarklast 30 trademarks

  • Information Trademark

    76671018 - DNW
    • Serial number 76671018
    • Registration number 3315372
    • Filing date Jan 4, 2007
    • DOOR & WINDOW HARDWARE CO.
    • 6 - Common metals and their alloys