TREA

Chung Shih Tsai

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  • Hawthorne, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Paper scrap pushing structure of paper shredder
    • Patent number 11,801,515
    • Issue date Oct 31, 2023
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Chung Shih Tsai
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Automatic paper shredder
    • Patent number 11,090,657
    • Issue date Aug 17, 2021
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Chung Shih Tsai
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Paper shredder with paper limiter
    • Patent number 11,084,041
    • Issue date Aug 10, 2021
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Chung Shih Tsai
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Automatic paper shredder with staple removing structure and staple...
    • Patent number 11,052,402
    • Issue date Jul 6, 2021
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Chung Shih Tsai
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Paper scrap pushing structure of paper shredder
    • Patent number 10,875,029
    • Issue date Dec 29, 2020
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Chung Shih Tsai
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Shredder jam clear apparatus
    • Patent number 10,639,642
    • Issue date May 5, 2020
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Chung Shih Tsai
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Autofeed paper shredder with clip and staple removal
    • Patent number 10,537,896
    • Issue date Jan 21, 2020
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Chung Shih Tsai
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Shredder jam clear apparatus
    • Patent number 9,827,570
    • Issue date Nov 28, 2017
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Chung Shih Tsai
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Shredder jam clear apparatus
    • Patent number 9,687,854
    • Issue date Jun 27, 2017
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Chung Shih Tsai
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Safety shredder
    • Patent number 8,967,510
    • Issue date Mar 3, 2015
    • Aurora Office Equipment Co., Ltd.
    • Kevin Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Paper shredder control system responsive to touch-sensitive element
    • Patent number 8,963,379
    • Issue date Feb 24, 2015
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Kevin Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Permittivity-based paper shredder control system
    • Patent number 8,754,552
    • Issue date Jun 17, 2014
    • Aurora Office Equipment Co., Ltd.
    • Liangneng Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Depowered standby paper shredder and method
    • Patent number 8,708,260
    • Issue date Apr 29, 2014
    • Aurora Office Equipment Co., Ltd.
    • Guanlong Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Paper shredder control system responsive to touch-sensitive element
    • Patent number 8,008,812
    • Issue date Aug 30, 2011
    • Aurora Office Equipment Co., Ltd.
    • Kevin Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents

  • Information Patent Application

    PAPER SCRAP PUSHING STRUCTURE OF PAPER SHREDDER
    • Publication number 20220105518
    • Publication date Apr 7, 2022
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Chung Shih Tsai
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    AUTOMATIC PAPER SHREDDER WITH STAPLE REMOVING STRUCTURE AND STAPLE...
    • Publication number 20210138478
    • Publication date May 13, 2021
    • Chung Shih Tsai
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    PAPER SCRAP PUSHING STRUCTURE OF PAPER SHREDDER
    • Publication number 20210114040
    • Publication date Apr 22, 2021
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Chung Shih Tsai
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    PAPER SHREDDER WITH PAPER LIMITER
    • Publication number 20210086190
    • Publication date Mar 25, 2021
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Chung Shih Tsai
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    AUTOMATIC PAPER SHREDDER
    • Publication number 20200276594
    • Publication date Sep 3, 2020
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Chung Shih Tsai
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    PAPER SCRAP PUSHING STRUCTURE OF PAPER SHREDDER
    • Publication number 20190232299
    • Publication date Aug 1, 2019
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Chung Shih Tsai
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    PAPER SHREDDER AC/DC MOTOR CONTROLLER
    • Publication number 20180050344
    • Publication date Feb 22, 2018
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Bin Zhang
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    SHREDDER JAM CLEAR APPARATUS
    • Publication number 20180043367
    • Publication date Feb 15, 2018
    • Aurora Office Equipment Co., Ltd. Shanghai
    • CHUNG SHIH TSAI
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    AUTOFEED PAPER SHREDDER WITH CLIP AND STAPLE REMOVAL
    • Publication number 20180008987
    • Publication date Jan 11, 2018
    • Aurora Office Equipment Co., Ltd. Shanghai
    • CHUNG SHIH TSAI
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    SAFETY SHREDDER WITH JAM CLEAR
    • Publication number 20170087559
    • Publication date Mar 30, 2017
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Yung Kang Tso
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    SHREDDER JAM CLEAR APPARATUS
    • Publication number 20160271618
    • Publication date Sep 22, 2016
    • Aurora Office Equipment Co., Ltd. Shanghai
    • CHUNG SHIH TSAI
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    SHREDDER JAM CLEAR APPARATUS
    • Publication number 20160271617
    • Publication date Sep 22, 2016
    • CHUNG SHIH TSAI
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    GROOVED INCISOR SHREDDER CUTTING BLADE SET AND METHOD
    • Publication number 20150273477
    • Publication date Oct 1, 2015
    • Aurora Office Equipment Co., Ltd.
    • KEVIN CHEN
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    SAFETY SHREDDER
    • Publication number 20140084093
    • Publication date Mar 27, 2014
    • Kevin Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    PAPER SHREDDER WITH THERMO-REGULATED MOTOR
    • Publication number 20130200186
    • Publication date Aug 8, 2013
    • John F. O'Rourke
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    GROOVED INCISOR SHREDDER CUTTING BLADE SET AND METHOD
    • Publication number 20130099040
    • Publication date Apr 25, 2013
    • Kevin Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    DEPOWERED STANDBY PAPER SHREDDER AND METHOD
    • Publication number 20130037637
    • Publication date Feb 14, 2013
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Guanlong Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    WASTE BIN LEVELING SYSTEM FOR A PAPER SHREDDER
    • Publication number 20130037639
    • Publication date Feb 14, 2013
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Guanlong Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    PAPER SHREDDER CONTROL SYSTEM RESPONSIVE TO TOUCH-SENSITIVE ELEMENT
    • Publication number 20110316356
    • Publication date Dec 29, 2011
    • Aurora Office Equipment Co., Ltd. Shanghai
    • Kevin Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    PERMITTIVITY-BASED PAPER SHREDDER CONTROL SYSTEM
    • Publication number 20110133008
    • Publication date Jun 9, 2011
    • Aurora Office Equipment Co., Ltd., Shanghai
    • Liangneng Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    Paper Shredder Control System Responsive to Touch-Sensitive Element
    • Publication number 20100282880
    • Publication date Nov 11, 2010
    • Aurora Office Equipment Co., Ltd.
    • Kevin Chen
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...