Arrangements for feeding ink to the ball points

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Patents Grantslast 30 patents

  • Information Patent Grant

    Ballpoint dot pen tattoo cartridge

    • Patent number 12,109,836
    • Issue date Oct 8, 2024
    • Corbin Briggs
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Space pen refill for extravehicular activity

    • Patent number 12,070,969
    • Issue date Aug 27, 2024
    • Ningbo Institute of Northwestern Polytechnical University
    • Meiping Sheng
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Method of surface texturing for a writing instrument tip

    • Patent number 12,005,536
    • Issue date Jun 11, 2024
    • Societe BIC
    • Julien Bouchet
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Ballpoint pen

    • Patent number 11,993,099
    • Issue date May 28, 2024
    • Kabushiki Kaisha Pilot Corporation
    • Yusuke Sanada
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Ballpoint pen tip, ballpoint pen refill, and ballpoint pen

    • Patent number 11,975,560
    • Issue date May 7, 2024
    • Kabushiki Kaisha Pilot Corporation
    • Takumi Kajiwara
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ballpoint dot pen tattoo cartridge

    • Patent number 11,951,763
    • Issue date Apr 9, 2024
    • Corbin Briggs
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pen and pen refill

    • Patent number 11,472,220
    • Issue date Oct 18, 2022
    • Kuretake Co., Ltd.
    • Ichiro Nishitani
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Direct-liquid writing instrument

    • Patent number 10,919,335
    • Issue date Feb 16, 2021
    • NINGBO WUYUN PEN MANUFACTURING CO., LTD.
    • Yang Wen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing pen and method for generating fingerprint information

    • Patent number 10,671,191
    • Issue date Jun 2, 2020
    • Fu Tai Hua Industry (Shenzhen) Co., Ltd.
    • Wen-Ru He
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Ballpoint pen

    • Patent number 10,576,774
    • Issue date Mar 3, 2020
    • Mitsubishi Pencil Company, Limited
    • Takeo Fukumoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument for forming thermochromic handwriting

    • Patent number 10,556,459
    • Issue date Feb 11, 2020
    • KABUSHIKI KAISHA PILOT CORPORATION (ALSO TRADING AS PILOT CORPORATION)
    • Takumi Kajiwara
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Cosmetic applicator with rotary cartridge

    • Patent number 10,349,721
    • Issue date Jul 16, 2019
    • Fashion Beauty Cosmetech Co., Ltd.
    • Hsiu-Ou Lu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ballpoint pen chip and writing utensil equipped with the ballpoint...

    • Patent number 10,155,410
    • Issue date Dec 18, 2018
    • Zebra Co., Ltd.
    • Naoko Nakamura
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument and ink cartridge

    • Patent number 10,000,088
    • Issue date Jun 19, 2018
    • Kabushiki Kaisha Pilot Corporation
    • Takanori Hoshino
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ballpoint pen

    • Patent number 9,981,499
    • Issue date May 29, 2018
    • Mitsubishi Pencil Company, Limited
    • Takeo Fukumoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pressure fluctuation buffering mechanism and applicator

    • Patent number 9,969,205
    • Issue date May 15, 2018
    • CHEMICOS CREATIONS LTD.
    • Masayuki Kawasaki
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument and ink cartridge

    • Patent number 9,884,508
    • Issue date Feb 6, 2018
    • Kabushiki Kaisha Pilot Corporation
    • Takanori Hoshino
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument

    • Patent number 9,636,940
    • Issue date May 2, 2017
    • Mitsubishi Pencil Company, Limited
    • Toshimi Kamitani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Friction body, writing instrument and writing instrument set

    • Patent number 9,592,702
    • Issue date Mar 14, 2017
    • The Pilot Ink Co., Ltd.
    • Takashi Wase
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ball pen

    • Patent number 9,545,813
    • Issue date Jan 17, 2017
    • Mitsubishi Pencil Company, Limited
    • Takeo Fukumoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ballpoint pen

    • Patent number 9,533,528
    • Issue date Jan 3, 2017
    • Mitsubishi Pencil Company, Limited
    • Yoshihisa Osano
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument

    • Patent number 9,375,972
    • Issue date Jun 28, 2016
    • Kabushiki Kaisha Pilot Corporation
    • Hirotaka Masuda
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Fingertip mountable writing instrument

    • Patent number 9,333,796
    • Issue date May 10, 2016
    • Keith Martin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Oil-based ink composition for ball-point pen, and oil-based ball-po...

    • Patent number 9,333,795
    • Issue date May 10, 2016
    • Kabushiki Kaisha Pilot Corporation
    • Takeshi Fujii
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Cap for writing instrument and writing instrument

    • Patent number 9,302,530
    • Issue date Apr 5, 2016
    • Mitsubishi Pencil Company, Limited
    • Takeo Fukumoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Roller ball pen for use with metallic inks

    • Patent number 9,290,036
    • Issue date Mar 22, 2016
    • Crayola LLC
    • Linda J. Smith
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Thermochromic writing instrument

    • Patent number 9,266,379
    • Issue date Feb 23, 2016
    • The Pilot Ink Co., Ltd.
    • Yoshinori Imamura
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Thermochromic writing instrument

    • Patent number 9,233,574
    • Issue date Jan 12, 2016
    • The Pilot Ink Co., Ltd.
    • Yoshinori Imamura
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing implement refill and writing implement

    • Patent number 9,162,515
    • Issue date Oct 20, 2015
    • Mitsubishi Pencil Co., Ltd.
    • Seiichi Maruyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ballpoint pen tip, ballpoint pen refill, and ballpoint pen

    • Patent number 9,056,518
    • Issue date Jun 16, 2015
    • Mitsubishi Pencil Company, Limited
    • Yoshihide Ishii
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    SPACE PEN REFILL FOR EXTRAVEHICULAR ACTIVITY

    • Publication number 20240140129
    • Publication date May 2, 2024
    • Ningbo Institute of Northwestern Polytechnical University
    • Meiping SHENG
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    BALLPOINT PEN TIP, BALLPOINT PEN REFILL, AND BALLPOINT PEN

    • Publication number 20230398807
    • Publication date Dec 14, 2023
    • KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
    • Takumi KAJIWARA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    KNOCK TYPE DIRECT LIQUID PEN REFILL ASSEMBLY AND WRITING PEN

    • Publication number 20230339254
    • Publication date Oct 26, 2023
    • QINGDAO BEST POINT STATIONERY CO., LTD.
    • YUANHONG WANG
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    BALLPOINT PEN

    • Publication number 20230322010
    • Publication date Oct 12, 2023
    • Kabushiki Kaisha Pilot Corporation (Also Trading as Pilot Corporation)
    • Yusuke SANADA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    WRITING INSTRUMENT

    • Publication number 20220371356
    • Publication date Nov 24, 2022
    • Sanford L.P.
    • Venkata Rajasekhar
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    METHOD OF SURFACE TEXTURING FOR A WRITING INSTRUMENT TIP

    • Publication number 20220288728
    • Publication date Sep 15, 2022
    • SOCIETE BIC
    • Julien BOUCHET
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    BALL POINT TIP AND WRITING INSTRUMENT FITTED WITH SUCH A BALL POINT...

    • Publication number 20220194119
    • Publication date Jun 23, 2022
    • SOCIETE BIC
    • Jean-Baptiste BOURA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    BALLPOINT DRY-ERASE MARKER

    • Publication number 20200101786
    • Publication date Apr 2, 2020
    • International Business Machines Corporation
    • Khoi-Nguyen D. Tran
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT FOR FORMING THERMOCHROMIC HANDWRITING

    • Publication number 20190047318
    • Publication date Feb 14, 2019
    • KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
    • Takumi KAJIWARA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    BALLPOINT PEN

    • Publication number 20180319200
    • Publication date Nov 8, 2018
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Takeo Fukumoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    BALLPOINT PEN CHIP AND WRITING UTENSIL EQUIPPED WITH THE BALLPOINT...

    • Publication number 20170151823
    • Publication date Jun 1, 2017
    • ZEBRA CO., LTD.
    • Naoko NAKAMURA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    BALLPOINT PEN

    • Publication number 20170001464
    • Publication date Jan 5, 2017
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Takeo FUKUMOTO
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT

    • Publication number 20150298488
    • Publication date Oct 22, 2015
    • Kabushiki Kaisha Pilot Corporation
    • Hirotaka MASUDA
    • 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

    OIL-BASED INK COMPOSITION FOR BALL-POINT PEN, AND OIL-BASED BALL-PO...

    • Publication number 20150023720
    • Publication date Jan 22, 2015
    • Kabushiki Kaisha Pilot Corporation
    • Takeshi Fujii
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Roller Ball Pen For Use With Metallic Inks

    • Publication number 20140270900
    • Publication date Sep 18, 2014
    • Crayola LLC
    • Linda J. Smith
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING IMPLEMENT REFILL AND WRITING IMPLEMENT

    • Publication number 20140140752
    • Publication date May 22, 2014
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Seiichi Maruyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    THERMOCHROMIC WRITING INSTRUMENT

    • Publication number 20130121744
    • Publication date May 16, 2013
    • THE PILOT INK CO., LTD.
    • Yoshinori Imamura
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PEN WITH PRESSURIZING MECHANISM TO PRESSURIZE INK REFILL

    • Publication number 20130058703
    • Publication date Mar 7, 2013
    • Hosoya TOMOHIRO
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    BALLPOINT PEN TIP, BALLPOINT PEN REFILL, AND BALLPOINT PEN

    • Publication number 20120328356
    • Publication date Dec 27, 2012
    • MITSUBISHI PENCIL COMPANY LIMITED
    • Yoshihide Ishii
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING PEN WITH INK STORAGE

    • Publication number 20120107036
    • Publication date May 3, 2012
    • TUNG YIK INTERNATIONAL LTD.
    • Ve Chung HUI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Flexible air pump with stand-alone diaphragm valve

    • Publication number 20110305497
    • Publication date Dec 15, 2011
    • George Pappageorge
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Refill Adaptor

    • Publication number 20110129289
    • Publication date Jun 2, 2011
    • Lalit Agrawal
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Liquid applicator device

    • Publication number 20110013966
    • Publication date Jan 20, 2011
    • Flocon, Inc.
    • Stephan M. Ballot
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Refill Adaptor

    • Publication number 20100278581
    • Publication date Nov 4, 2010
    • Lalit Agrawal
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ENVIRONMENTALLY FRIENDLY DISPOSABLE PEN

    • Publication number 20100272499
    • Publication date Oct 28, 2010
    • Erik Wysocan
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING IMPLEMENT COMPRISING A DEVICE FOR VENTING THE RESERVOIR

    • Publication number 20100178098
    • Publication date Jul 15, 2010
    • SOCIETE BIC
    • Vincent Bedhome
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING IMPLEMENT

    • Publication number 20100172689
    • Publication date Jul 8, 2010
    • Mitsubishi Pencil Co. Ltd
    • Hisami Tamano
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT CONTAINING A GRANULAR MATERIAL IN THE INK CHAMBER

    • Publication number 20100158600
    • Publication date Jun 24, 2010
    • SOCIETE BIC
    • Vincent Bedhome
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Finger-tip controlled writing utensil and associated method

    • Publication number 20100143019
    • Publication date Jun 10, 2010
    • Jack A. Merla, JR.
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES