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Liangneng Chen

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety shredder
    • Patent number 8,079,537
    • Issue date Dec 20, 2011
    • Aurora Office Equipment Co., Ltd.
    • Liangneng Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Touch-sensitive paper shredder control system
    • Patent number 8,018,099
    • Issue date Sep 13, 2011
    • Aurora Office Equipment Co., Ltd.
    • Liangneng Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Safety shredder
    • Patent number 7,757,985
    • Issue date Jul 20, 2010
    • Aurora Office Equipment Co., Ltd.
    • Liangneng Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Touch-sensitive paper shredder control system
    • Patent number 7,622,831
    • Issue date Nov 24, 2009
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Liangneng Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Paper-breaker supporting framework structures
    • Patent number 7,503,516
    • Issue date Mar 17, 2009
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Liangneng Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Paper-breaker touching safety protector
    • Patent number 7,471,017
    • Issue date Dec 30, 2008
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Liangneng Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents

  • Information Patent Application

    Safety Shredder
    • Publication number 20100243775
    • Publication date Sep 30, 2010
    • Aurora Office Equipment Co., Ltd.
    • Liangneng Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    Touch-Sensitive Paper Shredder Control System
    • Publication number 20100116916
    • Publication date May 13, 2010
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Liangneng Chen
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Safety shredder
    • Publication number 20090134252
    • Publication date May 28, 2009
    • Aurora Corp. of America
    • Liangneng Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    Paper-Breaker Wastebin Structure
    • Publication number 20080053994
    • Publication date Mar 6, 2008
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Liangneng Chen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Paper-Breaker Supporting Framework Structure
    • Publication number 20080054113
    • Publication date Mar 6, 2008
    • Aurora Office Equipment Co., Ltd.
    • Liangneng Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    PAPER-BREAKER TOUCHING SAFETY PROTECTOR
    • Publication number 20080048504
    • Publication date Feb 28, 2008
    • Aurora Office Equipment Co., Ltd.
    • Liangneng Chen
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Touch-sensitive paper shredder control system
    • Publication number 20080041207
    • Publication date Feb 21, 2008
    • Aurora Office Equipment Co., Ltd.
    • Liangneng Chen
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC