TREA

Ink reservoirs

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  • CPC
  • B43K5/02
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43KIMPLEMENTS FOR WRITING OR DRAWING B43K5/00Pens with ink reservoirs in holders

Current Industry

B43K5/02Ink reservoirs
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Palm pen
    • Patent number 11,999,184
    • Issue date Jun 4, 2024
    • ZuMedia Inc.
    • Mark Cuban
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Refillable free ink writing instrument provided with a removable tip
    • Patent number 11,938,750
    • Issue date Mar 26, 2024
    • Societe BIC
    • Charlotte Delbes
    • 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

    Writing instrument
    • Patent number 11,660,903
    • Issue date May 30, 2023
    • QINGDAO BEST POINT STATIONERY CO., LTD.
    • Yuanhong Wang
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Nib for writing felt pen
    • Patent number 11,597,231
    • Issue date Mar 7, 2023
    • Societe BIC
    • Etienne Roudaut
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pen with multiple colors
    • Patent number 11,529,824
    • Issue date Dec 20, 2022
    • Societe BIC
    • David Michael Duffy
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Palm pen
    • Patent number 11,413,901
    • Issue date Aug 16, 2022
    • Mark Cuban
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Scrub-resistant ink and methods and apparatus for fabrication and u...
    • Patent number 11,359,103
    • Issue date Jun 14, 2022
    • Viscot Medical, LLC
    • Eric Stroud
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Bearing assembly
    • Patent number 11,319,993
    • Issue date May 3, 2022
    • Aktiebolaget SKF
    • Thilo von Schleinitz
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing method and apparatus
    • Patent number 11,247,507
    • Issue date Feb 15, 2022
    • Joseph D. Maresh
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Scrub-resistant ink and methods and apparatus for fabrication and u...
    • Patent number 11,203,697
    • Issue date Dec 21, 2021
    • Viscot Medical, LLC
    • Eric Stroud
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Applicator
    • Patent number 11,084,316
    • Issue date Aug 10, 2021
    • Mitsubishi Pencil Company, Limited
    • Seiichi Maruyama
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Integrated highlighting and shading marker system
    • Patent number 11,007,813
    • Issue date May 18, 2021
    • Crayola LLC
    • Craig Skinner
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • 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

    Device that produces color on demand
    • Patent number 10,899,165
    • Issue date Jan 26, 2021
    • Societe BIC
    • Etienne Roudaut
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    See-through highlighter
    • Patent number 10,723,166
    • Issue date Jul 28, 2020
    • Napat Thawornsing
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument
    • Patent number 10,696,087
    • Issue date Jun 30, 2020
    • Joseph D. Maresh
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument and electronic pen body section
    • Patent number 10,427,449
    • Issue date Oct 1, 2019
    • Wacom Co., Ltd.
    • Takenori Kaneda
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Pressure regulating device for writing tool and writing tool having...
    • Patent number 10,414,201
    • Issue date Sep 17, 2019
    • SDI Corporation
    • Szu-Yu Chen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Thermochromic color-memory composition and thermochromic color-memo...
    • Patent number 10,358,570
    • Issue date Jul 23, 2019
    • The Pilot Ink Co., Ltd.
    • Yoshiaki Ono
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument with spool valve
    • Patent number 10,300,733
    • Issue date May 28, 2019
    • Joseph D. Maresh
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Marker and stamp system
    • Patent number 10,179,474
    • Issue date Jan 15, 2019
    • Matthew DeBoer
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Fountain pen
    • Patent number 9,902,191
    • Issue date Feb 27, 2018
    • Louis Vuitton Malletier
    • Vincent Prigent
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Modular fountain pens useable with inks of varying viscosities
    • Patent number 9,889,700
    • Issue date Feb 13, 2018
    • Jessica Chan
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument with spool valve
    • Patent number 9,862,224
    • Issue date Jan 9, 2018
    • Joseph D. Maresh
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multicolor writing tools and methods
    • Patent number 9,254,706
    • Issue date Feb 9, 2016
    • Youngtack Shim
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument and ink cartridge unit
    • Patent number 9,199,507
    • Issue date Dec 1, 2015
    • Europe Brands S.à.r.l.
    • Leighton Davies-Smith
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pen cap attachment mechanism
    • Patent number 8,540,450
    • Issue date Sep 24, 2013
    • Matthew Conable
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multicolor writing tools and methods
    • Patent number 8,534,944
    • Issue date Sep 17, 2013
    • Youngtack Shim
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multicolor writing and painting instruments with multiple, bundled,...
    • Patent number 8,403,577
    • Issue date Mar 26, 2013
    • University of Southern California
    • Behrokh Khoshnevis
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents