TREA

Sharpeners for pencils or leads

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Industry

  • CPC
  • B43L23/00
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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

Current Industry

B43L23/00Sharpeners for pencils or leads

Sub Industries

B43L23/002with continuous conveying means for the pencil B43L23/004with radial cutting blades B43L23/006with rasping surfaces B43L23/008with rotating cutting bodies B43L23/02with gearing B43L23/04with cranked handles B43L23/06in which the pencils or leads are sharpened by only axial movement against cutting blades B43L23/08in which the pencils or leads are sharpened mainly by rotational movement against cutting blades B43L23/085one of the blades being used for shaping the writing point
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

    Case for storing articles
    • Patent number 11,963,592
    • Issue date Apr 23, 2024
    • Michael A. Ponte
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Compact tool combining vacuum/blower, pencil sharpener, rubbery era...
    • Patent number 11,787,227
    • Issue date Oct 17, 2023
    • Cary Wang
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • 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

    Carpenter speed square with pencil sharpener
    • Patent number 11,648,797
    • Issue date May 16, 2023
    • Barton Steven Wolf
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Self-adaptive pencil feeding mechanism
    • Patent number 11,518,186
    • Issue date Dec 6, 2022
    • Ningbo Tianhong Stationery Co., Ltd.
    • Gaowei Zheng
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil sharpener for carpenters
    • Patent number 11,446,955
    • Issue date Sep 20, 2022
    • SAFETY NAILER LLC
    • Kristen Eifes
    • 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 having flexible storage cover
    • Patent number 11,318,779
    • Issue date May 3, 2022
    • Shanghai Lees Manufacturing Co., Ltd.
    • Lei Xin Li
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil sharpener
    • Patent number 11,311,088
    • Issue date Apr 26, 2022
    • Hilda Harrell-Ross
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Pencil sharpener
    • Patent number 11,273,666
    • Issue date Mar 15, 2022
    • Samir Moufawad Moufawad
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Portable art case
    • Patent number 11,224,272
    • Issue date Jan 18, 2022
    • Colorpockit, LLC
    • Michael James Bartelme
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Convertible apparatus for sharpening marking instruments
    • Patent number 11,040,568
    • Issue date Jun 22, 2021
    • Phil Hanson
    • 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

    Crayon container
    • Patent number 10,993,516
    • Issue date May 4, 2021
    • Crayola, LLC
    • Luis Rodrigo Pineiro
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Three-way marker for sewing
    • Patent number 10,926,575
    • Issue date Feb 23, 2021
    • DPG USA INC.
    • Nikhil Gupta
    • 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

    Sharpener
    • Patent number 10,870,309
    • Issue date Dec 22, 2020
    • Yoshikazu Tani
    • 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

    Portable motorized cosmetic sharpener system
    • Patent number 10,792,954
    • Issue date Oct 6, 2020
    • SI/TKO Holdings, Inc.
    • Ryan Christopher Jones
    • 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

    Crayon carving device
    • Patent number 10,632,781
    • Issue date Apr 28, 2020
    • Crayola LLC
    • Scott Collins
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Crayon manipulation devices
    • Patent number 10,471,622
    • Issue date Nov 12, 2019
    • Crayola LLC
    • David Volzer
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • 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

    Electric pencil sharpener
    • Patent number 10,442,238
    • Issue date Oct 15, 2019
    • Ningbo Tiantian Stationery Co., Ltd.
    • Chongting Zheng
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Electric pencil sharpener
    • Patent number 10,377,168
    • Issue date Aug 13, 2019
    • SUNWOOD HOLDING GROUP CO., LTD.
    • Xiasen Lin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil cutting tool
    • Patent number 10,265,998
    • Issue date Apr 23, 2019
    • NAKAJIMA JUKYUDO CO., LTD
    • Junya Nakajima
    • 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

Patents Applicationslast 30 patents

  • Information Patent Application

    COSMETIC PENCIL SHARPENER
    • Publication number 20240092117
    • Publication date Mar 21, 2024
    • Katri Pagliaro
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • 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

    TABLE SAW ATTACHABLE STORAGE DEVICE
    • Publication number 20220347881
    • Publication date Nov 3, 2022
    • Larry Bowman
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • 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

    CARPENTER SPEED SQUARE WITH PENCIL SHARPENER
    • Publication number 20220234380
    • Publication date Jul 28, 2022
    • Wolf Innovations LLC
    • Barton Steven Wolf
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    CASE FOR STORING ARTICLES
    • Publication number 20220183435
    • Publication date Jun 16, 2022
    • Michael A. Ponte
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    PENCIL SHARPENER HAVING FLEXIBLE STORAGE COVER
    • Publication number 20210268830
    • Publication date Sep 2, 2021
    • SHANGHAI LEES MANUFACTURING CO., LTD.
    • Lei Xin LI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Self-adaptive Pencil Feeding Mechanism
    • Publication number 20210197613
    • Publication date Jul 1, 2021
    • Ningbo Tianhong Stationery Co., Ltd.
    • Gaowei Zheng
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PENCIL SHARPENER
    • Publication number 20210177117
    • Publication date Jun 17, 2021
    • Hilda Harrell-Ross
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PENCIL SHARPENER FOR CARPENTERS
    • Publication number 20210078356
    • Publication date Mar 18, 2021
    • SAFETY NAILER LLC
    • Kristen Eifes
    • 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

    COMPACT TOOL COMBINING VACUUM/BLOWER, PENCIL SHARPENER, RUBBERY ERA...
    • Publication number 20200331287
    • Publication date Oct 22, 2020
    • Cary Wang
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    PORTABLE ART CASE
    • Publication number 20200214412
    • Publication date Jul 9, 2020
    • Colorpockit LLC
    • Michael James Bartelme
    • A45 - HAND OR TRAVELLING ARTICLES
  • 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

    Three-Way Marker for Sewing
    • Publication number 20190283487
    • Publication date Sep 19, 2019
    • DPG USA Inc.
    • Nikhil Gupta
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Crayon Container
    • Publication number 20190246759
    • Publication date Aug 15, 2019
    • Crayola, LLC
    • Luis Rodrigo Pineiro
    • A45 - HAND OR TRAVELLING ARTICLES
  • 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 20190001738
    • Publication date Jan 3, 2019
    • Sunwood Holding Group Co., Ltd.
    • Xiasen Lin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • 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

    PENCIL SHARPENER HAVING A GUIDE ELEMENT FOR DISCHARGING SHAVINGS
    • Publication number 20180281505
    • Publication date Oct 4, 2018
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ELECTRIC PENCIL SHARPENER
    • Publication number 20180236809
    • Publication date Aug 23, 2018
    • Ningbo Tiantian Stationery Co., Ltd.
    • Chongting Zheng
    • 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
    • Publication number 20180117953
    • Publication date May 3, 2018
    • Tokiwa Corporation
    • Yoshikazu Tani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES