TREA

one of the blades being used for shaping the writing point

Follow

Industry

  • CPC
  • B43L23/085
This industry / category may be too specific. Please go to a parent level for more data

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

B43L23/085one of the blades being used for shaping the writing point
Industries

Patents Grantslast 30 patents

  • 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

    Sharpener
    • Patent number 10,870,309
    • Issue date Dec 22, 2020
    • Yoshikazu Tani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Adjustable pencil sharpener
    • Patent number 9,248,691
    • Issue date Feb 2, 2016
    • SDI Corporation
    • Szu-Yu Chen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil sharpener
    • Patent number 7,363,714
    • Issue date Apr 29, 2008
    • Kum Limited
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener for soft-core pencils
    • Patent number 6,976,314
    • Issue date Dec 20, 2005
    • KUM Limited
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Soft lead sharpener with pivotable profile knife
    • Patent number 6,732,437
    • Issue date May 11, 2004
    • Eisen GmbH
    • Johann Eisen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener for sharpening a soft-core pencil
    • Patent number 6,634,108
    • Issue date Oct 21, 2003
    • Kum Limited
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener, in particular for soft-core pencils
    • Patent number 6,397,479
    • Issue date Jun 4, 2002
    • Kum Limited
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener for soft-core pencils
    • Patent number 6,301,791
    • Issue date Oct 16, 2001
    • Kum Limited
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener, specifically for cosmetic sticks
    • Patent number 4,513,798
    • Issue date Apr 30, 1985
    • A. Klebes GmbH & Co. K.G. Kunststoff- und Metallwarenfabrik
    • Werner Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

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

    SHARPENER
    • Publication number 20180117953
    • Publication date May 3, 2018
    • Tokiwa Corporation
    • Yoshikazu Tani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PENCIL SHARPENER
    • Publication number 20170326905
    • Publication date Nov 16, 2017
    • Sung Bum PARK
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ADJUSTABLE PENCIL SHARPENER
    • Publication number 20140000119
    • Publication date Jan 2, 2014
    • SDI Corporation
    • Szu-Yu CHEN
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    SHARPENER FOR PENCILS AND/OR COSMETIC PENCILS
    • Publication number 20120124845
    • Publication date May 24, 2012
    • Eisen GmbH
    • Thomas Tauschek
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pencil sharpener
    • Publication number 20070044327
    • Publication date Mar 1, 2007
    • Kum Limited
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Sharpener for creating a frusto-conical tip
    • Publication number 20040261275
    • Publication date Dec 30, 2004
    • Hunt Holdings, Inc.
    • Gerald Paul Fregeolle
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Sharpener for soft-core pencils
    • Publication number 20040010927
    • Publication date Jan 22, 2004
    • KUM Limited, IE - Trim, Co.
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Soft lead sharpener with pivotable profile knife
    • Publication number 20030163925
    • Publication date Sep 4, 2003
    • Johann Eisen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Sharpener for sharpening a soft-core pencil
    • Publication number 20030014870
    • Publication date Jan 23, 2003
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES