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Tien-Kao Liu

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  • Pingtung County, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lock with a long-travel deadbolt
    • Patent number 11,408,207
    • Issue date Aug 9, 2022
    • Federal Lock Co., Ltd.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lock with replaceable modules
    • Patent number 11,384,569
    • Issue date Jul 12, 2022
    • Federal Lock Co., Ltd.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lock with a roller deadbolt
    • Patent number 11,261,619
    • Issue date Mar 1, 2022
    • Federal Lock Co., Ltd.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lock with emergency unlocking feature
    • Patent number 11,124,993
    • Issue date Sep 21, 2021
    • Federal Lock Co., Ltd.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Core replaceable hockey lock
    • Patent number 10,934,745
    • Issue date Mar 2, 2021
    • Federal Lock Co., Ltd.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Combination lock assembly
    • Patent number 9,683,390
    • Issue date Jun 20, 2017
    • Federal Lock Co., Ltd.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lock with a slide for covering lock core and positioning device for...
    • Patent number 9,631,398
    • Issue date Apr 25, 2017
    • Federal Lock Co., Ltd.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lock with a slide for covering lock core
    • Patent number 9,587,416
    • Issue date Mar 7, 2017
    • Federal Lock Co., Ltd.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Padlock with non-conductive parts
    • Patent number 9,464,462
    • Issue date Oct 11, 2016
    • Federal Lock Co., Ltd.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Core replaceable hockey lock
    • Patent number 8,919,156
    • Issue date Dec 30, 2014
    • Federal Lock Co., Ltd.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lock with replaceable shackle
    • Patent number 8,904,833
    • Issue date Dec 9, 2014
    • Federal Lock Co., Ltd.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lock with replaceable bottom pins
    • Patent number 8,707,746
    • Issue date Apr 29, 2014
    • Federal Lock Co., Ltd.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Anti-break lock
    • Patent number 8,650,919
    • Issue date Feb 18, 2014
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Deadlocking drawer lock
    • Patent number 8,601,839
    • Issue date Dec 10, 2013
    • Federal Lock Co., Ltd.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Drawer lock set
    • Patent number 7,836,735
    • Issue date Nov 23, 2010
    • Federal Lock Co. Ltd.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Vandal-resistant combination padlock
    • Patent number 7,536,883
    • Issue date May 26, 2009
    • Federal Lock Co., Ltd.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Pad lock with reliable change of code number
    • Patent number 6,012,309
    • Issue date Jan 11, 2000
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    CORE REPLACEABLE HOCKEY LOCK
    • Publication number 20200224459
    • Publication date Jul 16, 2020
    • FEDERAL LOCK CO., LTD.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    LOCK WITH A ROLLER DEADBOLT
    • Publication number 20200157843
    • Publication date May 21, 2020
    • FEDERAL LOCK CO., LTD.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    LOCK WITH REPLACEABLE MODULES
    • Publication number 20200157848
    • Publication date May 21, 2020
    • FEDERAL LOCK CO., LTD.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    LOCK WITH A LONG-TRAVEL DEADBOLT
    • Publication number 20200157847
    • Publication date May 21, 2020
    • FEDERAL LOCK CO., LTD.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    LOCK WITH EMERGENCY UNLOCKING FEATURE
    • Publication number 20200157850
    • Publication date May 21, 2020
    • FEDERAL LOCK CO., LTD.
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    WATER-DUST-PROOF CASE FOR LOCK
    • Publication number 20160002958
    • Publication date Jan 7, 2016
    • FEDERAL LOCK CO., LTD.
    • TIEN-KAO LIU
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    ANTI-BREAK LOCK
    • Publication number 20130312467
    • Publication date Nov 28, 2013
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    HIGH SECURITY LOCK CORE STRUCTURE
    • Publication number 20130276492
    • Publication date Oct 24, 2013
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    HIGH SECURITY LOCK CORE STRUCTURE
    • Publication number 20120192603
    • Publication date Aug 2, 2012
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Anti-theft lock
    • Publication number 20100180650
    • Publication date Jul 22, 2010
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Drawer lock set
    • Publication number 20100170309
    • Publication date Jul 8, 2010
    • Tien-Kao Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES