Making pencil writing-cores

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  • B43K19/18
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    NON-BAKED PENCIL LEAD AND METHOD FOR MANUFACTURING NON-BAKED PENCIL...

    • Publication number 20240209230
    • Publication date Jun 27, 2024
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Tatsuya MURATA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    IMPROVED COLORING PENCIL LEAD FOR SYNTHETIC PENCIL BASED ON BIOPOLY...

    • Publication number 20230373236
    • Publication date Nov 23, 2023
    • SOCIETE BIC
    • Julien GOUEREC
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    FOOD COLOR PENCIL

    • Publication number 20230234393
    • Publication date Jul 27, 2023
    • Nancy JoAnne Berill
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    METHOD FOR PRODUCING POWDER LEADS AND PRODUCTS PRODUCED THEREWITH

    • Publication number 20230165760
    • Publication date Jun 1, 2023
    • Schwan-STABILO Cosmetics GmbH & Co. KG
    • Katrin Hollmann-Raabe
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ELECTRONIC PEN

    • Publication number 20230104110
    • Publication date Apr 6, 2023
    • WACOM CO., LTD.
    • Takenori KANEDA
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    CORE FOR WRITING, DRAWING AND/OR PAINTING IMPLEMENTS AND METHOD FOR...

    • Publication number 20220305840
    • Publication date Sep 29, 2022
    • STAEDTLER Mars GmbH & Co. KG
    • Martin JAKOB
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    NON-BAKED PENCIL LEAD

    • Publication number 20210371690
    • Publication date Dec 2, 2021
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Ryota KUBO
    • B82 - NANO-TECHNOLOGY
  • Information Patent Application

    GRAPHITE LEAD OR GRAPHITE CHALK OR GRAPHITE BLOCK, PENCIL WITH GRAP...

    • Publication number 20210292589
    • Publication date Sep 23, 2021
    • Faber-Castell AG
    • Reiner APPEL
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    METHOD FOR PRODUCING POWDER LEADS AND PRODUCTS PRODUCED THEREWITH

    • Publication number 20210085572
    • Publication date Mar 25, 2021
    • Schwan-STABILO Cosmetics GmbH & Co. KG
    • Katrin Hollmann-Raabe
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PENCIL LEAD

    • Publication number 20190263172
    • Publication date Aug 29, 2019
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Hiroyuki Arai
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    COLORED LEAD OR COLORED CHALK, PENCIL CONTAINING A COLORED LEAD, AN...

    • Publication number 20190100673
    • Publication date Apr 4, 2019
    • Faber-Castell AG
    • Vladimir Barroso
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    COLOR DEVELOPMENT WRITING COMPOSITIONS AND WRITING INSTRUMENTS

    • Publication number 20190016912
    • Publication date Jan 17, 2019
    • Crayola LLC
    • Keith J. Allison
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PAPER PENCIL LEAD

    • Publication number 20180001694
    • Publication date Jan 4, 2018
    • CONTE
    • Frédéric CLAPTIEN
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    COLOUR PENCIL LEAD

    • Publication number 20170349775
    • Publication date Dec 7, 2017
    • CONTE
    • Frédéric D. CLAPTIEN
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PENCIL FOR WRITING OR COLOURING

    • Publication number 20170348997
    • Publication date Dec 7, 2017
    • CONTE
    • Julien GOUEREC
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    SEED-CONTAINING CRAYON

    • Publication number 20170107392
    • Publication date Apr 20, 2017
    • Effekt LLC
    • Robert Falken
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Color Pencil Lead

    • Publication number 20160362574
    • Publication date Dec 15, 2016
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Satoru BANZAI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Process and Formulation for a Plastic Pencil

    • Publication number 20140334863
    • Publication date Nov 13, 2014
    • Hemant Patel
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    REVERSIBLY THERMOCHROMIC COMPOSITION

    • Publication number 20140291585
    • Publication date Oct 2, 2014
    • Kabushiki Kaisha Pilot Corporation
    • Taro Tozuka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Formulation for Producing a Writing Article, Process for Manufactur...

    • Publication number 20130330112
    • Publication date Dec 12, 2013
    • EBRAS COMERCIO DE LAPIS LTDA.
    • Max Lee
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MULTICOLOR WRITING AND DESIGNING MEANS

    • Publication number 20130189015
    • Publication date Jul 25, 2013
    • Koh-I-Noor Hardtmuth A.S.
    • Zdenka ZANOVA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    SOLID DRAWING MATERIAL AND SOLID DRAWING TOOL

    • Publication number 20130177345
    • Publication date Jul 11, 2013
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Katsunori Kitazawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING SUBSTANCE FOR WRITING, DRAWING AND/OR PAINTING TOOLS

    • Publication number 20120322927
    • Publication date Dec 20, 2012
    • J.S. STAEDTLER GMBH & CO. KG
    • Andreas Thies
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Multipurpose Writing Instrument

    • Publication number 20120134736
    • Publication date May 31, 2012
    • Jason Ryan
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PENCIL LEAD AND PRODUCTION PROCESS FOR THE SAME

    • Publication number 20120037035
    • Publication date Feb 16, 2012
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Satoru Banzai
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PENCIL LEAD FOR WRITING, DRAWING AND/OR PAINTING DEVICES

    • Publication number 20110118383
    • Publication date May 19, 2011
    • J.S. Staedtler GmbH & Co. KG
    • Andreas Thies
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PROCESS FOR PRODUCTION OF BLACK CRAYON

    • Publication number 20090247668
    • Publication date Oct 1, 2009
    • Kotaro Sumitomo
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    CRAYON

    • Publication number 20090209678
    • Publication date Aug 20, 2009
    • SAKURA COLOR PRODUCTS CORPORATION
    • Kotaro Sumitomo
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Writing instrument with embedded decorative elements

    • Publication number 20090016798
    • Publication date Jan 15, 2009
    • Michael Dunn-Rankin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Color lead for a writing device, drawing device or painting device

    • Publication number 20070289482
    • Publication date Dec 20, 2007
    • J.S. Staedtler GmbH & Co. KG
    • Andreas Thies
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES