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Hung Yu Cheng

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Patents Grantslast 30 patents

  • Information Patent Grant

    Ring binder mechanism
    • Patent number 10,532,598
    • Issue date Jan 14, 2020
    • World Wide Stationery Mfg. Co., Ltd.
    • Wing Yiu Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism
    • Patent number 10,532,599
    • Issue date Jan 14, 2020
    • World Wide Stationery Mfg. Co., Ltd.
    • Wing Yiu Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism
    • Patent number 9,044,994
    • Issue date Jun 2, 2015
    • World Wide Stationery Mfg. Co., Ltd.
    • Wing Yiu Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Soft close ring binder mechanism with mating ring tips
    • Patent number 8,573,876
    • Issue date Nov 5, 2013
    • World Wide Stationery Manufacturing Company, Limited
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism
    • Patent number 8,414,212
    • Issue date Apr 9, 2013
    • Hung Yuen Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism
    • Patent number 8,186,899
    • Issue date May 29, 2012
    • World Wide Stationery Mfg. Co., Ltd.
    • Wing Yiu Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism
    • Patent number 8,043,018
    • Issue date Oct 25, 2011
    • World Wide Stationery Manufacturing Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ready lock ring binder mechanism
    • Patent number 8,038,361
    • Issue date Oct 18, 2011
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Plate clip with open handle
    • Patent number 8,006,354
    • Issue date Aug 30, 2011
    • LECO Stationery Manufacturing Company Limited
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Soft close ring binder mechanism
    • Patent number 8,002,488
    • Issue date Aug 23, 2011
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ready lock ring binder mechanism
    • Patent number 7,891,901
    • Issue date Feb 22, 2011
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Intermediate connector for a ring binder mechanism
    • Patent number 7,878,729
    • Issue date Feb 1, 2011
    • World Wide Stationery Manufacturing Company, Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Travel bar for use with a ring mechanism
    • Patent number 7,828,491
    • Issue date Nov 9, 2010
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Y. Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism
    • Patent number 7,762,734
    • Issue date Jul 27, 2010
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring mechanism biased to closed and locked position
    • Patent number 7,758,271
    • Issue date Jul 20, 2010
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism with dual pivot locking elements
    • Patent number 7,748,922
    • Issue date Jul 6, 2010
    • World Wide Stationery Manufacturing Company, Limited
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ready lock ring binder mechanism
    • Patent number 7,744,300
    • Issue date Jun 29, 2010
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism
    • Patent number 7,731,441
    • Issue date Jun 8, 2010
    • World Wide Stationery Mfg. Co., Ltd.
    • Wing Yiu Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Soft close ring binder mechanism with reinforced travel bar
    • Patent number 7,661,898
    • Issue date Feb 16, 2010
    • World Wide Stationery Manufacturing Company, Limited
    • Wing Yiu Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder having a clip
    • Patent number 7,654,765
    • Issue date Feb 2, 2010
    • World Wide Stationary Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism with sliding hinge plate
    • Patent number 7,600,939
    • Issue date Oct 13, 2009
    • World Wide Stationery Mfg. Co., Ltd.
    • Zhong Bin Liu
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Positive lock ring binder mechanism
    • Patent number 7,597,498
    • Issue date Oct 6, 2009
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ready lock ring binder mechanism
    • Patent number 7,549,817
    • Issue date Jun 23, 2009
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Y. Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring mechanism biased to closed and locked position
    • Patent number 7,534,064
    • Issue date May 19, 2009
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism spring biased to a locked position
    • Patent number 7,524,128
    • Issue date Apr 28, 2009
    • World Wide Stationery Manufacturing Company Limited
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism having slide connector
    • Patent number 7,513,708
    • Issue date Apr 7, 2009
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Hangable ring mechanism
    • Patent number 7,445,396
    • Issue date Nov 4, 2008
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism spring biased to a locked position when ring...
    • Patent number 7,404,685
    • Issue date Jul 29, 2008
    • World Wide Stationery Manufacturing Company, Limited
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism
    • Patent number 7,296,946
    • Issue date Nov 20, 2007
    • Microsoft Corporation
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Positive lock ring binder mechanism
    • Patent number 7,275,886
    • Issue date Oct 2, 2007
    • World Wide Stationary Mfg. Co., ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER

Patents Applicationslast 30 patents

  • Information Patent Application

    RING BINDER MECHANISM
    • Publication number 20170203603
    • Publication date Jul 20, 2017
    • World Wide Stationery Mfg. Co., Ltd.
    • Wing Yiu Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM
    • Publication number 20150246572
    • Publication date Sep 3, 2015
    • World Wide Stationery Mfg. Co., Ltd.
    • Wing Yiu Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM
    • Publication number 20120230755
    • Publication date Sep 13, 2012
    • World Wide Stationery Mfg. Co., Ltd.
    • Wing Yiu Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    READY LOCK RING BINDER MECHANISM
    • Publication number 20110110703
    • Publication date May 12, 2011
    • WORLD WIDE STATIONERY MFG. CO., LTD.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING MECHANISM HAVING GUIDE FOR TRAVEL BAR
    • Publication number 20110020053
    • Publication date Jan 27, 2011
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Y. Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM
    • Publication number 20100278583
    • Publication date Nov 4, 2010
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM
    • Publication number 20100232867
    • Publication date Sep 16, 2010
    • World Wide Stationery Mfg. Co., Ltd.
    • Wing Yiu Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING MECHANISM HAVING FOLD-DOWN RINGS
    • Publication number 20100003070
    • Publication date Jan 7, 2010
    • WORLD WIDE STATIONERY, MFG. CO., LTD.
    • Hung Yu CHENG
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM WITH SLIDING HINGE PLATE
    • Publication number 20090274509
    • Publication date Nov 5, 2009
    • World Wide Stationery Mfg. Co., Ltd.
    • Zhong Bin Liu
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING MECHANISM BIASED TO CLOSED AND LOCKED POSITION
    • Publication number 20090169287
    • Publication date Jul 2, 2009
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    SUPPORT STAND FOR NOTEBOOK
    • Publication number 20090140119
    • Publication date Jun 4, 2009
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    SUPPORT STAND FOR STRUCTURES THAT HOLD PAGES AND METHODS OF USING T...
    • Publication number 20090072113
    • Publication date Mar 19, 2009
    • World Wide Stationery Mfg. Co., Ltd.
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    READY LOCK RING BINDER MECHANISM
    • Publication number 20090041532
    • Publication date Feb 12, 2009
    • WORLD WIDE STATIONERY MFG. CO., LTD.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Ring Binder Kit and Fastening System
    • Publication number 20080298883
    • Publication date Dec 4, 2008
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM
    • Publication number 20080267691
    • Publication date Oct 30, 2008
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    LEVER-ARCH TYPE FILE MECHANISM
    • Publication number 20080253828
    • Publication date Oct 16, 2008
    • Hung Yu CHENG
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    LEVER-ARCH TYPE FILE MECHANISM
    • Publication number 20080253827
    • Publication date Oct 16, 2008
    • Chun Yuen TO
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Ring Binder Mechanism having Plastic Housing
    • Publication number 20080199246
    • Publication date Aug 21, 2008
    • World Wide Stationery Mfg. Co., Ltd.
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Plate Clip With Open Handle
    • Publication number 20080196211
    • Publication date Aug 21, 2008
    • LECO STATIONERY MANUFACTURING COMPANY LIMITED
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Ring Binder Mechanism with Transverse Actuator
    • Publication number 20080175651
    • Publication date Jul 24, 2008
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Ring Binder Mechanism
    • Publication number 20080175652
    • Publication date Jul 24, 2008
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Hangable Ring Mechanism
    • Publication number 20080170905
    • Publication date Jul 17, 2008
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    READY LOCK RING BINDER MECHANISM
    • Publication number 20080089736
    • Publication date Apr 17, 2008
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM WITH SLIDING HINGE PLATE
    • Publication number 20080080926
    • Publication date Apr 3, 2008
    • World Wide Stationery Mfg. Co., Ltd.
    • Zhong Bin Liu
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Ring Binder Mechanism with a Sliding Hinge Plate
    • Publication number 20080080925
    • Publication date Apr 3, 2008
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Ring Binder Mechanism
    • Publication number 20080075526
    • Publication date Mar 27, 2008
    • World Wide Stationery Mfg. Co., Ltd.
    • Wing Yiu Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM
    • Publication number 20080050171
    • Publication date Feb 28, 2008
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Method of Manufacturing a Ring Mechanism
    • Publication number 20070283542
    • Publication date Dec 13, 2007
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    LOOSE-LEAF RING
    • Publication number 20070231057
    • Publication date Oct 4, 2007
    • Leco Stationery Manufacturing Company Limited
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Positive Lock Ring Binder Mechanism
    • Publication number 20070160416
    • Publication date Jul 12, 2007
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER