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with rotating cutting bodies

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  • CPC
  • B43L23/008
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING B43L23/00Sharpeners for pencils or leads

Current Industry

B43L23/008with rotating cutting bodies
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Sharpeners for writing instruments
    • Patent number 12,103,330
    • Issue date Oct 1, 2024
    • SANFORD, L.P.
    • Michael Alan Jourden
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil sharpener
    • Patent number 11,999,185
    • Issue date Jun 4, 2024
    • Fritz Lüttgens
    • B08 - CLEANING
  • Information Patent Grant

    Sharpener with heating element
    • Patent number 11,712,919
    • Issue date Aug 1, 2023
    • Regina M. Garcia
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener with heating element
    • Patent number 11,370,245
    • Issue date Jun 28, 2022
    • Regina M. Garcia
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil sharpener assembly
    • Patent number 11,034,185
    • Issue date Jun 15, 2021
    • SUNWOOD HOLDING GROUP CO., LTD.
    • Xiasen Lin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil sharpener
    • Patent number 10,906,347
    • Issue date Feb 2, 2021
    • OSAKA CLIP co., LTD.
    • Kazuo Itoi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil sharpener with pencil-centering mechanism
    • Patent number 10,843,504
    • Issue date Nov 24, 2020
    • Sanford L.P.
    • Michael J. Schumacher
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Cutter-carrier assembly for use with pencil sharpeners
    • Patent number 10,843,503
    • Issue date Nov 24, 2020
    • Sanford L.P.
    • Michael J. Schumacher
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Electric pencil sharpener
    • Patent number 10,703,129
    • Issue date Jul 7, 2020
    • NINGBO WEISHU STATIONERY CO., LTD
    • Changhai Dai
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener with heating element
    • Patent number 10,442,237
    • Issue date Oct 15, 2019
    • Regina M. Garcia
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Self-cleaning gear assembly for pencil sharpeners
    • Patent number 10,207,535
    • Issue date Feb 19, 2019
    • SANFORD, L.P.
    • Michael J. Schumacher
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil sharpener with pencil-centering mechanism
    • Patent number 10,124,622
    • Issue date Nov 13, 2018
    • SANFORD, L.P.
    • Michael J. Schumacher
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Reciprocating pencil sharpener
    • Patent number 9,969,207
    • Issue date May 15, 2018
    • SDI Corporation
    • Szu-Yu Chen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Dual cutter-carrier assembly for use with pencil sharpeners
    • Patent number 9,956,812
    • Issue date May 1, 2018
    • SANFORD, L.P.
    • Michael J. Schumacher
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Energy-storage pen implement sharpener
    • Patent number 9,676,226
    • Issue date Jun 13, 2017
    • Chun-Hung Wu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Fully-automatic pencil sharpener
    • Patent number 9,669,651
    • Issue date Jun 6, 2017
    • GuangZhou PanYu Tung Yung Stationery MFY., LTD.
    • Liangchun Zhong
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Electric pencil sharpener
    • Patent number 9,475,336
    • Issue date Oct 25, 2016
    • Tsung Wen Huang
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Electric pencil sharpener with auto-stop feature
    • Patent number 9,352,608
    • Issue date May 31, 2016
    • Chia-Wen Hsu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Reciprocating pencil sharpener
    • Patent number 9,227,460
    • Issue date Jan 5, 2016
    • SDI Corporation
    • Szu-Yu Chen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Dual drive pencil sharpener
    • Patent number 8,726,527
    • Issue date May 20, 2014
    • Acme United Corporation
    • Richard Steven Constantine
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil sharpener configured to work with a power drill
    • Patent number 8,656,600
    • Issue date Feb 25, 2014
    • Walter F Hammer
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Cutter assembly for an electric pencil sharpener
    • Patent number 8,505,596
    • Issue date Aug 13, 2013
    • SDI Corporation
    • Long-Jyi Yeh
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Hand-cranked pencil sharpeners
    • Patent number 8,459,317
    • Issue date Jun 11, 2013
    • Yurisheng Electronic (Shenzhen) Co., Ltd
    • Jingyi Hu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener with autostop feature
    • Patent number 8,353,323
    • Issue date Jan 15, 2013
    • Elmer's Products, Inc.
    • Michael Schumacher
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener with noise reducing features
    • Patent number 8,225,827
    • Issue date Jul 24, 2012
    • Elmer's Products, Inc.
    • Ben Dunlap
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Cutter assembly and electric pencil sharpener
    • Patent number 8,205,649
    • Issue date Jun 26, 2012
    • SDI Corporation
    • Long-Jyi Yeh
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Electronic pencil sharpener
    • Patent number 8,205,648
    • Issue date Jun 26, 2012
    • Chia-Wen Hsu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil sharpener
    • Patent number 8,196,624
    • Issue date Jun 12, 2012
    • Acme United Corporation
    • Stuart David Farnworth
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil sharpener
    • Patent number 8,118,071
    • Issue date Feb 21, 2012
    • Charles Sued
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil-sharpening device
    • Patent number 7,934,319
    • Issue date May 3, 2011
    • Acme United Corporation
    • Michael E. Peterson
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    SHARPENERS FOR WRITING INSTRUMENTS
    • Publication number 20240075766
    • Publication date Mar 7, 2024
    • Sanford L.P.
    • Michael Alan Jourden
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    SHARPENER WITH VARIABLE HEATING ELEMENT
    • Publication number 20230391132
    • Publication date Dec 7, 2023
    • Kevin J CONWAY
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Electric Pencil Sharpener With Delay Function
    • Publication number 20230256771
    • Publication date Aug 17, 2023
    • Dongguan In-mind Technology Co., Ltd.
    • Weidong Qiu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pencil sharpener
    • Publication number 20220324251
    • Publication date Oct 13, 2022
    • Fritz Luttgens
    • B08 - CLEANING
  • Information Patent Application

    SHARPENER WITH HEATING ELEMENT
    • Publication number 20220305841
    • Publication date Sep 29, 2022
    • Regina M. Garcia
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MULTI-FUNCTION APPARATUS
    • Publication number 20200331286
    • Publication date Oct 22, 2020
    • Reza Lavasanijou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SHARPENER WITH HEATING ELEMENT
    • Publication number 20190389239
    • Publication date Dec 26, 2019
    • Regina M. GARCIA
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Pencil Sharpener Assembly
    • Publication number 20190308443
    • Publication date Oct 10, 2019
    • Sunwood Holding Group Co., Ltd.
    • Xiasen Lin
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    ANIMATED WRITING INSTRUMENT SHARPENER
    • Publication number 20190160855
    • Publication date May 30, 2019
    • ALI BOUDA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PENCIL SHARPENER
    • Publication number 20190126664
    • Publication date May 2, 2019
    • OSAKA CLIP co., LTD
    • Kazuo ITOI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PENCIL SHARPENER WITH PENCIL-CENTERING MECHANISM
    • Publication number 20190061414
    • Publication date Feb 28, 2019
    • Sanford, L.P.
    • Michael J. SCHUMACHER
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pencil Sharpening Device With Flashlight
    • Publication number 20190041053
    • Publication date Feb 7, 2019
    • James H. Huizinga
    • F21 - LIGHTING
  • Information Patent Application

    ELECTRIC PENCIL SHARPENER
    • Publication number 20180319203
    • Publication date Nov 8, 2018
    • NINGBO WEISHU STATIONERY CO., LTD
    • Changhai DAI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Cutter-Carrier Assembly For Use With Pencil Sharpeners
    • Publication number 20180222247
    • Publication date Aug 9, 2018
    • Sanford, L.P.
    • Michael J. Schumacher
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    SHARPENER WITH HEATING ELEMENT
    • Publication number 20180056711
    • Publication date Mar 1, 2018
    • Regina M. GARCIA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pencil Sharpener
    • Publication number 20170313122
    • Publication date Nov 2, 2017
    • Yu-Ying Kuo
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    DUAL CUTTER-CARRIER ASSEMBLY FOR USE WITH PENCIL SHARPENERS
    • Publication number 20170190206
    • Publication date Jul 6, 2017
    • ELMER'S PRODUCTS, INC.
    • Michael J. SCHUMACHER
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PENCIL SHARPENER WITH PENCIL-CENTERING MECHANISM
    • Publication number 20170190207
    • Publication date Jul 6, 2017
    • ELMER'S PRODUCTS, INC.
    • Michael J. Schumacher
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pencil Sharpener with Notification Light
    • Publication number 20160263934
    • Publication date Sep 15, 2016
    • ACME UNITED CORPORATION
    • Nicholas L. Seferi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    RECIPROCATING PENCIL SHARPENER
    • Publication number 20160068009
    • Publication date Mar 10, 2016
    • SDI Corporation
    • Szu-Yu CHEN
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Multi-Functional Pencil Sharpener with Power Station
    • Publication number 20160059616
    • Publication date Mar 3, 2016
    • ACME UNITED CORPORATION
    • Brian S. Olschan
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    SELF-CLEANING GEAR ASSEMBLY FOR PENCIL SHARPENERS
    • Publication number 20150129086
    • Publication date May 14, 2015
    • Michael J. SCHUMACHER
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    FULLY-AUTOMATIC PENCIL SHARPENER
    • Publication number 20150000791
    • Publication date Jan 1, 2015
    • GuangZhou PanYu Tung Yung Stationery MFY., LTD.
    • Liangchun ZHONG
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ENERGY-STORAGE PEN IMPLEMENT SHARPENER
    • Publication number 20140209211
    • Publication date Jul 31, 2014
    • CHUN-HUNG WU
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Electric Pencil Sharpener
    • Publication number 20140144548
    • Publication date May 29, 2014
    • Tsung Wen HUANG
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Drill Bit Pencil Sharpener
    • Publication number 20140144549
    • Publication date May 29, 2014
    • David Kenneth Watson
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pencil Sharpener
    • Publication number 20140075681
    • Publication date Mar 20, 2014
    • Walter Hammer
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Electric pencil sharpener with auto-stop feature
    • Publication number 20130263971
    • Publication date Oct 10, 2013
    • Chia-Wen Hsu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    AUTOMATIC PENCIL-FEEDING DEVICE FOR PENCIL SHARPENER
    • Publication number 20130255835
    • Publication date Oct 3, 2013
    • FUJIAN SOUNDY ENTERPRISE CO., LTD.
    • Xinfu Wang
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Dual Drive Pencil Sharpener
    • Publication number 20130174429
    • Publication date Jul 11, 2013
    • Richard Steven Constantine
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES