Pen barrels

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Patents Grantslast 30 patents

  • Information Patent Grant

    Writing instrument for erasing handwritten content

    • Patent number 12,138,951
    • Issue date Nov 12, 2024
    • CROWN BALLPEN CO., LTD.
    • Young Saeng Park
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing system having magnetic writing tool and magnetic support su...

    • Patent number 12,122,180
    • Issue date Oct 22, 2024
    • SteadyScrib, LLC
    • Alexis Anne Chan
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing tool

    • Patent number 11,964,509
    • Issue date Apr 23, 2024
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Takeo Fukumoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument having color indication-changeable grip

    • Patent number 11,845,298
    • Issue date Dec 19, 2023
    • Micro Co., Ltd.
    • Ayaka Mutoh
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument

    • Patent number 11,813,888
    • Issue date Nov 14, 2023
    • Societe BIC
    • Etienne Michenaud
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument

    • Patent number 11,766,886
    • Issue date Sep 26, 2023
    • Societe BIC
    • Laurent Beaucher
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument

    • Patent number 11,766,887
    • Issue date Sep 26, 2023
    • Societe BIC
    • Laurent Beaucher
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument

    • Patent number 11,738,589
    • Issue date Aug 29, 2023
    • THE PILOT INK CO., LTD.
    • Yoshihiro Ito
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Compact writing instrument

    • Patent number 11,738,588
    • Issue date Aug 29, 2023
    • Thomas Aten Nielson
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • 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

    Pen

    • Patent number 11,724,535
    • Issue date Aug 15, 2023
    • Dieter Schiller
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Ink reservoir unit for writing instruments and writing instruments

    • Patent number 11,679,618
    • Issue date Jun 20, 2023
    • Mitsubishi Pencil Company, Limited
    • Shuji Ichikawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Retractive writing utensil

    • Patent number 11,535,050
    • Issue date Dec 27, 2022
    • Zebra Co., Ltd.
    • Masataka Mizutori
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Position indicator

    • Patent number 11,465,436
    • Issue date Oct 11, 2022
    • Wacom Co., Ltd.
    • Kohei Tanaka
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Pen

    • Patent number 11,440,337
    • Issue date Sep 13, 2022
    • Karl-Peter Kämpf
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Retractable nosecone writing instrument

    • Patent number 11,407,248
    • Issue date Aug 9, 2022
    • SANFORD, L.P.
    • Kyle Cauwels
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Knock type writing tool

    • Patent number 11,396,203
    • Issue date Jul 26, 2022
    • Kabushiki Kaisha Pilot Corporation
    • Hisatoshi Hayakawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Thermochromic color-memory composition and thermochromic color-memo...

    • Patent number 11,384,247
    • Issue date Jul 12, 2022
    • Kabushiki Kaisha Pilot Corporation
    • Yoshiaki Ono
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Writing, drawing, marking and/or cosmetic device

    • Patent number 11,370,244
    • Issue date Jun 28, 2022
    • STAEDTLER Mars GMBH & CO. KG
    • Peter Weiss
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Self-made LED luminous floating oil filling pen

    • Patent number 11,345,181
    • Issue date May 31, 2022
    • Yougen Kong
    • F21 - LIGHTING
  • Information Patent Grant

    Compact writing instrument

    • Patent number 11,292,285
    • Issue date Apr 5, 2022
    • Thomas Aten Nielson
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Compact writing instrument

    • Patent number 11,279,166
    • Issue date Mar 22, 2022
    • Thomas Nielson
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument

    • Patent number 11,179,963
    • Issue date Nov 23, 2021
    • The Pilot Ink Co., Ltd.
    • Yoshihiro Ito
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Retractable nosecone writing instrument

    • Patent number 11,148,462
    • Issue date Oct 19, 2021
    • SANFORD, L.P.
    • Kyle Cauwels
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Retractable nosecone writing instrument

    • Patent number 11,077,702
    • Issue date Aug 3, 2021
    • SANFORD, L.P.
    • Kyle Cauwels
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Hand tools, cosmetic devices and writing instruments

    • Patent number 11,065,907
    • Issue date Jul 20, 2021
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Using method of rewritable board

    • Patent number 11,054,922
    • Issue date Jul 6, 2021
    • National Cheng Kung University
    • Chen-Kuei Chung
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Pen

    • Patent number 11,027,573
    • Issue date Jun 8, 2021
    • Chicony Electronics Co., Ltd.
    • Cheng-Chi Hsu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Retractable pen with a push button

    • Patent number 10,974,540
    • Issue date Apr 13, 2021
    • Hangzhou Jianyi Technology Co., Ltd.
    • Chengpeng Yu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Coextrusion processes and products produced thererom

    • Patent number 10,960,594
    • Issue date Mar 30, 2021
    • Societe BIC S.A.
    • Michael Johnes
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    INFORMATION PROCESSING SYSTEM, WRITING INSTRUMENT, AND ELECTRONIC D...

    • Publication number 20240427430
    • Publication date Dec 26, 2024
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Takamasa FUKUDA
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    BALLPOINT PEN REFILL AND BALLPOINT PEN

    • Publication number 20240416674
    • Publication date Dec 19, 2024
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Yuichiro HOMMA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING SYSTEM HAVING MAGNETIC WRITING TOOL AND MAGNETIC SUPPORT SU...

    • Publication number 20240042791
    • Publication date Feb 8, 2024
    • SteadyScrib, LLC
    • Alexis Anne Chan
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    POCKET SIZE PEN

    • Publication number 20230347681
    • Publication date Nov 2, 2023
    • Justin Lowes
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT HAVING COLOR INDICATION-CHANGEABLE GRIP

    • Publication number 20230294447
    • Publication date Sep 21, 2023
    • Micro Co., Ltd.
    • Ayaka MUTOH
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT

    • Publication number 20230215199
    • Publication date Jul 6, 2023
    • SOCIETE BIC
    • Loic FOLGOAS
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    PEN

    • Publication number 20220339960
    • Publication date Oct 27, 2022
    • Schwan-STABILO Cosmetics GmbH & Co. KG
    • Dieter Schiller
    • 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

    COMPACT WRITING INSTRUMENT

    • Publication number 20220314684
    • Publication date Oct 6, 2022
    • TSC, LLC
    • Thomas Aten Nielson
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    SELF-MADE LED LUMINOUS FLOATING OIL FILLING PEN

    • Publication number 20220184997
    • Publication date Jun 16, 2022
    • Shenzhen Wingart Art Supplies Co,.Ltd.
    • Yougen Kong
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    RETRACTIVE WRITING UTENSIL

    • Publication number 20220184996
    • Publication date Jun 16, 2022
    • ZEBRA CO., LTD.
    • Masataka MIZUTORI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    INK RESERVOIR UNIT FOR WRITING INSTRUMENTS AND WRITING INSTRUMENTS

    • Publication number 20220176728
    • Publication date Jun 9, 2022
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Shuji Ichikawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Detectable Component for a Writing Implement

    • Publication number 20220161592
    • Publication date May 26, 2022
    • Sean Ronald Smith
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING TOOL

    • Publication number 20220126623
    • Publication date Apr 28, 2022
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Takeo FUKUMOTO
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT

    • Publication number 20220088959
    • Publication date Mar 24, 2022
    • SOCIETE BIC
    • Etienne MICHENAUD
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT

    • Publication number 20220080767
    • Publication date Mar 17, 2022
    • THE PILOT INK CO., LTD.
    • Yoshihiro Ito
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT

    • Publication number 20220063322
    • Publication date Mar 3, 2022
    • SOCIETE BIC
    • Laurent BEAUCHER
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT

    • Publication number 20220063323
    • Publication date Mar 3, 2022
    • SOCIETE BIC
    • Laurent BEAUCHER
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    KNOCK TYPE WRITING TOOL

    • Publication number 20220009271
    • Publication date Jan 13, 2022
    • KABUSHIKI KAISHA PILOT CORPORATION also tradings as PILOT CORPORATION
    • HISATOSHI HAYAKAWA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Retractable Nosecone Writing Instrument

    • Publication number 20210331514
    • Publication date Oct 28, 2021
    • Sanford, L.P.
    • Kyle Cauwels
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    POSITION INDICATOR

    • Publication number 20210291580
    • Publication date Sep 23, 2021
    • WACOM CO., LTD.
    • Kohei Tanaka
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    USING METHOD OF REWRITABLE BOARD

    • Publication number 20210124435
    • Publication date Apr 29, 2021
    • National Cheng Kung University
    • CHEN-KUEI CHUNG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    HAND TOOLS, COSMETIC DEVICES AND WRITING INSTRUMENTS

    • Publication number 20210114400
    • Publication date Apr 22, 2021
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PEN

    • Publication number 20200282761
    • Publication date Sep 10, 2020
    • CHICONY ELECTRONICS CO., LTD.
    • Cheng-Chi HSU
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING, DRAWING, MARKING AND/OR COSMETIC DEVICE

    • Publication number 20200276856
    • Publication date Sep 3, 2020
    • STAEDTLER Mars GmbH & Co. KG
    • Peter WEISS
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    Retractable Nosecone Writing Instrument

    • Publication number 20200230997
    • Publication date Jul 23, 2020
    • Sanford, L.P.
    • Kyle Cauwels
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Retractable Nosecone Writing Instrument

    • Publication number 20200223246
    • Publication date Jul 16, 2020
    • Sanford, L.P.
    • Kyle Cauwels
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PEN

    • Publication number 20200094613
    • Publication date Mar 26, 2020
    • STABILO INTERNATIONAL GMBH
    • Karl-Peter Kämpf
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    THERMOCHROMIC COLOR-MEMORY COMPOSITION AND THERMOCHROMIC COLOR-MEMO...

    • Publication number 20200071532
    • Publication date Mar 5, 2020
    • The Pilot Ink Co., Ltd.
    • Yoshiaki ONO
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT

    • Publication number 20200047540
    • Publication date Feb 13, 2020
    • THE PILOT INK CO., LTD.
    • Yoshihiro Ito
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...