Ink cartridges, ink reservoirs

Industry

  • CPC
  • B43K8/146
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid storage member for coating tools

    • Patent number 11,780,258
    • Issue date Oct 10, 2023
    • Mitsubishi Pencil Company, Limited
    • Shuji Ichikawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pen

    • Patent number 11,724,534
    • Issue date Aug 15, 2023
    • Kuretake Co., Ltd.
    • Miyoko Tsuda
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Writing tool

    • Patent number 10,569,594
    • Issue date Feb 25, 2020
    • SDI Corporation
    • Szu-Yu Chen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Application implement

    • Patent number 6,503,016
    • Issue date Jan 7, 2003
    • A.W. Faber-Castell Unternehmensverwaltung GmbH & Co.
    • Jürgen Raps
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3807880

    • Patent number 3,807,880
    • Issue date Apr 30, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3807882

    • Patent number 3,807,882
    • Issue date Apr 30, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3806264

    • Patent number 3,806,264
    • Issue date Apr 23, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3627433

    • Patent number 3,627,433
    • Issue date Dec 14, 1971
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3441354

    • Patent number 3,441,354
    • Issue date Apr 29, 1969
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    WRITING INSTRUMENT

    • Publication number 20240174020
    • Publication date May 30, 2024
    • C. Josef Lamy GmbH
    • Wilhelm BERBERICH
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    LIQUID STORAGE MEMBER FOR COATING TOOLS

    • Publication number 20220355612
    • Publication date Nov 10, 2022
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Shuji Ichikawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pen

    • Publication number 20220219481
    • Publication date Jul 14, 2022
    • Kuretake Co., Ltd.
    • Miyoko Tsuda
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    SYSTEM AND COMPOSITION FOR CREATING THREE-DIMENSIONAL OBJECTS

    • Publication number 20160108261
    • Publication date Apr 21, 2016
    • REDWOODVENTURES, LTD.
    • Andrew Wiseman
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Liquid Container

    • Publication number 20070086830
    • Publication date Apr 19, 2007
    • Kotobuki & Co , Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Application implement

    • Publication number 20020081141
    • Publication date Jun 27, 2002
    • Jurgen Raps
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES