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Ho Ping Cheng

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Patents Grantslast 30 patents

  • Information Patent Grant

    Ring binder mechanism
    • Patent number 9,688,091
    • Issue date Jun 27, 2017
    • World Wide Stationery Mfg. Co., Ltd.
    • Chun Yuen To
    • 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 with polymeric housing and actuator
    • Patent number 8,147,160
    • Issue date Apr 3, 2012
    • World Wide Stationery Mfg. Co., Ltd.
    • Chun Yuen To
    • 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

    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

    Ring binder mechanism
    • Patent number 7,819,602
    • Issue date Oct 26, 2010
    • World Wide Stationery Mfg. Co., Ltd.
    • Chun Yuen To
    • 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 mechanism with spring biased travel bar
    • Patent number 7,665,926
    • Issue date Feb 23, 2010
    • World Wide Stationery Mfg. Co., Ltd.
    • Ho Ping 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 binder mechanism
    • Patent number 7,296,946
    • Issue date Nov 20, 2007
    • Microsoft Corporation
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER

Patents Applicationslast 30 patents

  • 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 Binder Mechanism
    • Publication number 20110085846
    • Publication date Apr 14, 2011
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Ring Binder Mechanism
    • Publication number 20100284729
    • Publication date Nov 11, 2010
    • World Wide Stationery Mfg. Co., Ltd.
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM
    • Publication number 20090110469
    • Publication date Apr 30, 2009
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM WITH POLYMERIC HOUSING AND ACTUATOR
    • Publication number 20090110470
    • Publication date Apr 30, 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

    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
    • 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

    Ring mechanism with spring biased travel bar
    • Publication number 20060251468
    • Publication date Nov 9, 2006
    • World Wide Stationery Mfg. Co., Ltd.
    • Ho Ping Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Interlocking ring tip formations for paired ring members of a ring...
    • Publication number 20050271459
    • Publication date Dec 8, 2005
    • World Wide Stationery Mfg. Co., Ltd.
    • Chun Y. To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Soft close ring binder mechanism with mating ring tips
    • Publication number 20050207826
    • Publication date Sep 22, 2005
    • World Wide Stationery Manufacturing Company, Limited
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Ready lock ring binder mechanism
    • Publication number 20050013654
    • Publication date Jan 20, 2005
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER