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Seong-Ryong Jang

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  • Seoul, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cordless blind device for external power drive
    • Patent number 11,377,906
    • Issue date Jul 5, 2022
    • WINTEC KOREA INC.
    • Seong-Ryong Jang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Cordless blind device
    • Patent number 11,261,659
    • Issue date Mar 1, 2022
    • WINTEC KOREA INC.
    • Seong-Ryong Jang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cordless blind apparatus
    • Patent number 11,180,954
    • Issue date Nov 23, 2021
    • WINTEC KOREA, INC.
    • Seong-ryong Jang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Cordless blind apparatus and method of adjusting a cordless blind a...
    • Patent number 11,125,011
    • Issue date Sep 21, 2021
    • WINTEC KOREA INC.
    • Seong-Ryong Jang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Under structure of blind apparatus and blind apparatus having the same
    • Patent number 9,850,704
    • Issue date Dec 26, 2017
    • Wintec Korea Inc.
    • Seong Ryong Jang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Dual roll blind
    • Patent number 9,334,687
    • Issue date May 10, 2016
    • WINTEC KOREA INC.
    • Seong-Ryong Jang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Steel frame structure using U-shaped composite beam
    • Patent number 8,915,042
    • Issue date Dec 23, 2014
    • DRB Holding Co., Ltd.
    • Tae Sang Ahn
    • E04 - BUILDING
  • Information Patent Grant

    Dual roll blind
    • Patent number 8,887,787
    • Issue date Nov 18, 2014
    • Wintec Korea Inc.
    • Seong-Ryong Jang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Multiple choice shade system
    • Patent number 7,849,907
    • Issue date Dec 14, 2010
    • Wintec Korea Inc.
    • Seong-Ryong Jang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

  • Information Patent Application

    CORDLESS BLIND DEVICE
    • Publication number 20210032931
    • Publication date Feb 4, 2021
    • WINTEC KOREA INC.
    • Seong-ryong JANG
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    CORDLESS BLIND DEVICE FOR EXTERNAL POWER DRIVE
    • Publication number 20200362629
    • Publication date Nov 19, 2020
    • WINTEC KOREA INC.
    • Seong-Ryong Jang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    CORDLESS BLIND APPARATUS AND METHOD OF ADJUSTING A CORDLESS BLIND A...
    • Publication number 20200141183
    • Publication date May 7, 2020
    • WINTEC KOREA INC.
    • Seong-Ryong Jang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    CORDLESS BLIND APPARATUS
    • Publication number 20200109600
    • Publication date Apr 9, 2020
    • WINTEC KOREA INC.
    • Seong-Ryong Jang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    BLIND APPARATUS
    • Publication number 20190352963
    • Publication date Nov 21, 2019
    • WINTEC KOREA INC.
    • Seong-Ryong Jang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    UNDER STRUCTURE OF BLIND APPARATUS AND BLIND APPARATUS HAVING THE SAME
    • Publication number 20170292323
    • Publication date Oct 12, 2017
    • Wintec Korea Inc.
    • SEONG RYONG JANG
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    STEEL FRAME STRUCTURE USING U-SHAPED COMPOSITE BEAM
    • Publication number 20130283721
    • Publication date Oct 31, 2013
    • Tae Sang Ahn
    • E04 - BUILDING
  • Information Patent Application

    DUAL ROLL BLIND
    • Publication number 20130240156
    • Publication date Sep 19, 2013
    • WINTEC KOREA INC.
    • Seong-Ryong Jang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    DUAL ROLL BLIND
    • Publication number 20130098563
    • Publication date Apr 25, 2013
    • WINTEC KOREA INC.
    • Seong-Ryong Jang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    DUAL ROLL BLIND
    • Publication number 20130098564
    • Publication date Apr 25, 2013
    • WINTEC KOREA INC.
    • Seong-Ryong Jang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Heat pump system and method of controlling the same
    • Publication number 20100043465
    • Publication date Feb 25, 2010
    • LG ELECTRONICS INC.
    • Seong Min Jang
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Multiple Choice Shade System
    • Publication number 20080190569
    • Publication date Aug 14, 2008
    • Wintec Korea Inc.
    • Seong-Ryong Jang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS