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Ink reservoirs Ink cartridges

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  • CPC
  • B43K8/03
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43KIMPLEMENTS FOR WRITING OR DRAWING B43K8/00Pens with writing-points other than nibs or balls

Current Industry

B43K8/03Ink reservoirs Ink cartridges
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-posture bedside writing pen
    • Patent number 12,187,069
    • Issue date Jan 7, 2025
    • Ningbo Institute of Northwestern Polytechnical University
    • Minqing Wang
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instruments and associated methods
    • Patent number 12,064,989
    • Issue date Aug 20, 2024
    • SANFORD, L.P.
    • Bret Ryan Marschand
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Double-head marker pen
    • Patent number 12,011,948
    • Issue date Jun 18, 2024
    • CHINA FIRST PENCIL CO., LTD.
    • Bingyang Zhang
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Nib for writing felt pen
    • Patent number 11,926,171
    • Issue date Mar 12, 2024
    • Societe BIC
    • Etienne Roudaut
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Heterogeneous fiber fluid reservoirs
    • Patent number 11,865,857
    • Issue date Jan 9, 2024
    • Porex Technologies Corporation
    • David Bradley Harris
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Applicator
    • Patent number 11,858,289
    • Issue date Jan 2, 2024
    • 3S CORPORATION
    • Eiji Hori
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Liquid applicator
    • Patent number 11,858,290
    • Issue date Jan 2, 2024
    • Xingfu Zhou
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Marker retention and rotation device
    • Patent number 11,850,880
    • Issue date Dec 26, 2023
    • Anthony Caruso
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • 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

    Oil-based ink composition for writing instrument
    • Patent number 11,649,363
    • Issue date May 16, 2023
    • Mitsubishi Pencil Company, Limited
    • Yumiko Haruhara
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Nib for writing felt pen
    • Patent number 11,607,902
    • Issue date Mar 21, 2023
    • Societe BIC
    • Etienne Roudaut
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Cosmetic applicator
    • Patent number 11,589,665
    • Issue date Feb 28, 2023
    • Mitsubishi Pencil Company, Limited
    • Yusuke Nakamura
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Liquid storage and release device and pen
    • Patent number 11,548,313
    • Issue date Jan 10, 2023
    • Crayola LLC
    • Leena Vadaketh
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Refill for a writing felt pen
    • Patent number 11,390,108
    • Issue date Jul 19, 2022
    • Societe BIC
    • Arnaud Bez
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Applicator with gas-liquid exchanging section and occluding body
    • Patent number 11,370,243
    • Issue date Jun 28, 2022
    • 3S CORPORATION
    • Eiji Hori
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing felt pen
    • Patent number 11,364,736
    • Issue date Jun 21, 2022
    • Societe BIC
    • Arnaud Bez
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Applicator
    • Patent number 11,318,777
    • Issue date May 3, 2022
    • Mitsubishi Pencil Company, Limited
    • Toru Nakajima
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Direct liquid-type brush pen
    • Patent number 11,186,114
    • Issue date Nov 30, 2021
    • TAISEI CO., LTD.
    • Tadayuki Sato
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Water-based liquid cosmetic
    • Patent number 11,160,740
    • Issue date Nov 2, 2021
    • Yuka Yamawaki
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instruments and associated methods
    • Patent number 11,110,738
    • Issue date Sep 7, 2021
    • Sanford L.P.
    • Bret Ryan Marschand
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multicolor marker assembly
    • Patent number 11,052,699
    • Issue date Jul 6, 2021
    • Anna Votino
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Pressure difference compensation membrane
    • Patent number 10,994,568
    • Issue date May 4, 2021
    • Societe BIC
    • Anne-Lise Damiano
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Application container
    • Patent number 10,945,509
    • Issue date Mar 16, 2021
    • Yoshikazu Tani
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • 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

    Refillable writing instrument
    • Patent number 10,889,143
    • Issue date Jan 12, 2021
    • Ganesh Ram Jangir
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing tool and dispensing unit thereof
    • Patent number 10,828,928
    • Issue date Nov 10, 2020
    • SDI Corporation
    • Szu-Yu Chen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Fluid applicator refill system
    • Patent number 10,730,338
    • Issue date Aug 4, 2020
    • Hayden R Murphy
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Surgical marker
    • Patent number 10,675,909
    • Issue date Jun 9, 2020
    • Michael Bezuhly
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • 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

    Pressure difference compensation membrane
    • Patent number 10,518,572
    • Issue date Dec 31, 2019
    • Societe BIC
    • Anne-Lise Damiano
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    A REPLACEABLE CARTRIDGE FOR A WRITING INSTRUMENT AND METHOD THEREOF
    • Publication number 20250010654
    • Publication date Jan 9, 2025
    • SOCIETE BIC
    • Etienne MICHENAUD
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    SURGICAL SKIN MARKER
    • Publication number 20250000606
    • Publication date Jan 2, 2025
    • DaVinci Plastic Surgery, PC
    • Katherine Lynn-Long LIJOI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    VARIABLE COLOR SHADE MARKER
    • Publication number 20240300258
    • Publication date Sep 12, 2024
    • Bic Violex Single Member S.A.
    • Michail KOKOZIDIS
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MULTI-POSTURE BEDSIDE WRITING PEN
    • Publication number 20240140130
    • Publication date May 2, 2024
    • Ningbo Institute of Northwestern Polytechnical University
    • Minqing WANG
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    HETEROGENEOUS FIBER FLUID RESERVOIRS
    • Publication number 20240083192
    • Publication date Mar 14, 2024
    • Porex Technologies Corporation
    • David Bradley Harris
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING IMPLEMENT
    • Publication number 20240051329
    • Publication date Feb 15, 2024
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Hirotake IZAWA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    DOUBLE-HEAD MARKER PEN
    • Publication number 20230373237
    • Publication date Nov 23, 2023
    • CHINA FIRST PENCIL CO., LTD.
    • Bingyang ZHANG
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENTS AND ASSOCIATED NIB ASSEMBLIES
    • Publication number 20230226844
    • Publication date Jul 20, 2023
    • Sanford L.P.
    • William T. Ehlers
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Marker pen with replaceable marker cartridge
    • Publication number 20230133997
    • Publication date May 4, 2023
    • Common Understanding, Inc.
    • Wilson Mefford
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    NIB FOR WRITING FELT PEN
    • Publication number 20220388330
    • Publication date Dec 8, 2022
    • SOCIETE BIC
    • Etienne ROUDAUT
    • 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

    WRITING INSTRUMENTS
    • Publication number 20220203750
    • Publication date Jun 30, 2022
    • SOCIETE BIC
    • Arnaud BEZ
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Liquid Applicator
    • Publication number 20220080765
    • Publication date Mar 17, 2022
    • Xingfu Zhou
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    COSMETIC APPLICATOR
    • Publication number 20220061496
    • Publication date Mar 3, 2022
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Yusuke NAKAMURA
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    Dry Erase Inks, and Associated Methods and Writing Instruments
    • Publication number 20220064464
    • Publication date Mar 3, 2022
    • Sanford L.P.
    • Russell Andrew Vanderhoof
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WATER-BASED LIQUID COSMETIC
    • Publication number 20220008306
    • Publication date Jan 13, 2022
    • Tokiwa Corporation
    • Yuka YAMAWAKI
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    APPLICATOR
    • Publication number 20210402824
    • Publication date Dec 30, 2021
    • 3S CORPORATION
    • Eiji HORI
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    HETEROGENEOUS FIBER FLUID RESERVOIRS
    • Publication number 20210370706
    • Publication date Dec 2, 2021
    • Porex Technologies Corporation
    • David Bradley Harris
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Writing Instruments and Associated Methods
    • Publication number 20210362533
    • Publication date Nov 25, 2021
    • Sanford, L.P.
    • Bret Ryan Marschand
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    APPLICATOR
    • Publication number 20210221162
    • Publication date Jul 22, 2021
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Toru NAKAJIMA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Multicolor Marker Assembly
    • Publication number 20210138825
    • Publication date May 13, 2021
    • Anna Votino
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Pen and Pen Refill
    • Publication number 20210138824
    • Publication date May 13, 2021
    • Kuretake Co., Ltd.
    • Ichiro Nishitani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Retractable Marker Assembly
    • Publication number 20210122184
    • Publication date Apr 29, 2021
    • Nene Agbeyteye
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    NIB FOR WRITING FELT PEN
    • Publication number 20210122182
    • Publication date Apr 29, 2021
    • SOCIETE BIC
    • Etienne Roudaut
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    REFILL FOR A WRITING FELT PEN
    • Publication number 20210031556
    • Publication date Feb 4, 2021
    • SOCIETE BIC
    • Arnaud BEZ
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING FELT PEN
    • Publication number 20200398605
    • Publication date Dec 24, 2020
    • SOCIETE BIC
    • Arnaud BEZ
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    DIRECT LIQUID-TYPE BRUSH PEN
    • Publication number 20200384794
    • Publication date Dec 10, 2020
    • TAISEI CO., LTD.
    • Tadayuki SATO
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Writing Instruments and Associated Methods
    • Publication number 20200276855
    • Publication date Sep 3, 2020
    • Sanford, L.P.
    • Bret Ryan Marschand
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    APPLICATOR
    • Publication number 20200230996
    • Publication date Jul 23, 2020
    • 3S CORPORATION
    • Eiji HORI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    OIL-BASED INK COMPOSITION FOR WRITING INSTRUMENT
    • Publication number 20200190346
    • Publication date Jun 18, 2020
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Yumiko HARUHARA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES