TREA

Writing-core feeding mechanisms

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Industry

  • CPC
  • B43K21/02
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43KIMPLEMENTS FOR WRITING OR DRAWING B43K21/00Propelling pencils

Current Industry

B43K21/02Writing-core feeding mechanisms
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Convertible writing assemblies and components thereof
    • Patent number 11,731,450
    • Issue date Aug 22, 2023
    • SANFORD, L.P.
    • Kyle Frank Cauwels
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil having lead breakage-prevention mechanism
    • Patent number 11,648,796
    • Issue date May 16, 2023
    • Micro Co., Ltd.
    • Hiroyuki Kanari
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument side-knock mechanism
    • Patent number 10,843,502
    • Issue date Nov 24, 2020
    • Sanford L.P.
    • Kenneth Swanick
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil with a side button and an eraser dispenser and a...
    • Patent number 10,668,766
    • Issue date Jun 2, 2020
    • Societe BIC
    • Franck Rolion
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument side-knock mechanism
    • Patent number 10,525,762
    • Issue date Jan 7, 2020
    • Sanford L.P.
    • Kenneth Swanick
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil unit and writing utensil with the mechanical penc...
    • Patent number 10,507,685
    • Issue date Dec 17, 2019
    • Zebra Co., Ltd.
    • Yukihiro Tsukioka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 10,500,891
    • Issue date Dec 10, 2019
    • Kabushiki Kaisha Pilot Corporation
    • Takumi Kajiwara
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Anti-rotation extendable eraser mechanism
    • Patent number 10,272,714
    • Issue date Apr 30, 2019
    • Sanford L.P.
    • Kenneth Swanick
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Marking device and method
    • Patent number 10,029,509
    • Issue date Jul 24, 2018
    • Marxman Limited
    • Martin Chard
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 9,738,112
    • Issue date Aug 22, 2017
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing utensil
    • Patent number 9,573,410
    • Issue date Feb 21, 2017
    • Zebra Co., Ltd.
    • Yoshitoshi Aizawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Marking implement
    • Patent number 9,428,001
    • Issue date Aug 30, 2016
    • F.I.L.A.—FABRICA ITALIANA LAPIS ED AFFINI S.P.A.
    • Massimo Candela
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil
    • Patent number 9,408,454
    • Issue date Aug 9, 2016
    • Schwan-STABILO Cosmetics GmbH & Co. KG
    • Ralf Schmidt
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 9,358,828
    • Issue date Jun 7, 2016
    • Mitsubishi Pencil Company, Limited
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 9,302,529
    • Issue date Apr 5, 2016
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil having lead-rotating mechanism
    • Patent number 9,180,722
    • Issue date Nov 10, 2015
    • Micro Co., Ltd.
    • Tomohiro Hosoya
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Eraser cap assembly for writing instrument
    • Patent number 9,004,792
    • Issue date Apr 14, 2015
    • Sanford, L.P.
    • Stephen Jacobs Wisler
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 8,920,057
    • Issue date Dec 30, 2014
    • Kotobuki & Co., Ltd.
    • Yoshio Noguchi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil
    • Patent number 8,596,895
    • Issue date Dec 3, 2013
    • Schwan-STABILO Cosmetics GmbH & Co. KG
    • Ralf Schmidt
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Side knock type mechanical pencil
    • Patent number 8,480,322
    • Issue date Jul 9, 2013
    • Yuanhong Wang
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 7,850,380
    • Issue date Dec 14, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 7,850,381
    • Issue date Dec 14, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 7,806,615
    • Issue date Oct 5, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 7,802,936
    • Issue date Sep 28, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Rod-like body feeding container with compound screw mechanism
    • Patent number 7,736,079
    • Issue date Jun 15, 2010
    • Tokiwa Corporation
    • Yoshikazu Tani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument
    • Patent number 7,665,922
    • Issue date Feb 23, 2010
    • Societe BIC
    • Franck Rolion
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Automatic pencil
    • Patent number 7,658,567
    • Issue date Feb 9, 2010
    • Rong-Lin Sheu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 7,588,383
    • Issue date Sep 15, 2009
    • Sakura Color Products Corporation
    • Shunsuke Hokimoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument with a lateral button
    • Patent number 7,452,147
    • Issue date Nov 18, 2008
    • Societe BIC
    • Franck Rolion
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument
    • Patent number 7,207,738
    • Issue date Apr 24, 2007
    • Micro Co., Ltd.
    • Hiroyuki Kanari
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    MECHANICAL PENCIL HAVING LEAD BREAKAGE-PREVENTION MECHANISM
    • Publication number 20220363086
    • Publication date Nov 17, 2022
    • Micro Co., Ltd.
    • Hiroyuki Kanari
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    CONVERTIBLE WRITING ASSEMBLIES AND COMPONENTS THEREOF
    • Publication number 20220339961
    • Publication date Oct 27, 2022
    • Sanford L.P.
    • Kyle Frank Cauwels
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Writing Instrument Side-Knock Mechanism
    • Publication number 20200094611
    • Publication date Mar 26, 2020
    • Kenneth Swanick
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    BARREL ASSEMBLY, WRITING INSTRUMENT, AND CONTAINER
    • Publication number 20190344602
    • Publication date Nov 14, 2019
    • Kotobuki & Co., Ltd.
    • Yoshiyuki SAWAYAMA
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    MECHANICAL PENCIL WITH SIDE BUTTON AND ERASER DISPENSER AND METHOD...
    • Publication number 20190047320
    • Publication date Feb 14, 2019
    • SOCIETE BIC
    • Franck Rolion
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Writing Instrument Side-Knock Mechanism
    • Publication number 20180154680
    • Publication date Jun 7, 2018
    • Kenneth Swanick
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING UTENSIL
    • Publication number 20160039243
    • Publication date Feb 11, 2016
    • ZEBRA CO., LTD.
    • Yoshitoshi AIZAWA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Mechanical Pencil
    • Publication number 20160039244
    • Publication date Feb 11, 2016
    • Kotobuki & Co., Ltd.
    • Hidehei KAGEYAMA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT
    • Publication number 20150132043
    • Publication date May 14, 2015
    • Hunter Scarborough
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MARKING IMPLEMENT
    • Publication number 20140369735
    • Publication date Dec 18, 2014
    • MASSIMO CANDELA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL HAVING LEAD-ROTATING MECHANISM
    • Publication number 20140079462
    • Publication date Mar 20, 2014
    • Tomohiro HOSOYA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PENCIL
    • Publication number 20140064819
    • Publication date Mar 6, 2014
    • Schwan-STABILO Cosmetics GmbH & Co. KG
    • Ralf Schmidt
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20140016982
    • Publication date Jan 16, 2014
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Eraser Cap Assembly For Writing Instrument
    • Publication number 20130170885
    • Publication date Jul 4, 2013
    • SANFORD, L.P.
    • Stephen Jacobs Wisler
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Marking Device and Method
    • Publication number 20130149448
    • Publication date Jun 13, 2013
    • Martin Chard
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20120230751
    • Publication date Sep 13, 2012
    • Kotobuki & Co , Ltd.
    • Yoshio Noguchi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Writing Instrument With Removable Cartridge of Writing Material
    • Publication number 20120003026
    • Publication date Jan 5, 2012
    • Raymond Geddes & Company, Inc.
    • William Thomas Geddes
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    SIDE KNOCK TYPE MECHANICAL PENCIL
    • Publication number 20110229245
    • Publication date Sep 22, 2011
    • Yuanhong WANG
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20100266325
    • Publication date Oct 21, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20100254746
    • Publication date Oct 7, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20100239351
    • Publication date Sep 23, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20100232863
    • Publication date Sep 16, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    AUTOMATIC PENCIL
    • Publication number 20090257813
    • Publication date Oct 15, 2009
    • Rong-Lin Sheu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pencil
    • Publication number 20090129850
    • Publication date May 21, 2009
    • Schwan-STABILO Cosmetics GmbH & Co. KG
    • Ralf Schmidt
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pencil
    • Publication number 20090129849
    • Publication date May 21, 2009
    • Schwan-STABILO Cosmetics GmbH & Co. KG
    • Ralf Schmidt
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Mechanical pencil
    • Publication number 20090028626
    • Publication date Jan 29, 2009
    • Shunsuke Hokimoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    TOUCH SENSOR TYPE LIGHT-EMISSION WRITING INSTRUMENT
    • Publication number 20080198581
    • Publication date Aug 21, 2008
    • Hyung-Bong LEE
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Writing Instrument
    • Publication number 20080031675
    • Publication date Feb 7, 2008
    • Franck Rolion
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Writing Instrument With a Lateral Button
    • Publication number 20070231048
    • Publication date Oct 4, 2007
    • Franck Rolion
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Mechanical pencil comprising a retractable lead guide
    • Publication number 20070172299
    • Publication date Jul 26, 2007
    • Rolion Franck
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES