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of ball-point pens

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  • CPC
  • B43K27/12
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43KIMPLEMENTS FOR WRITING OR DRAWING B43K27/00Multiple-point writing implements

Current Industry

B43K27/12of ball-point pens
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-cartridge pen devices and writing instruments
    • Patent number 12,304,232
    • Issue date May 20, 2025
    • ZuMedia Inc.
    • Phyllis Jager
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument refills and writing instrument
    • Patent number 12,090,777
    • Issue date Sep 17, 2024
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multifunction writing instrument
    • Patent number 11,787,223
    • Issue date Oct 17, 2023
    • Societe BIC
    • Loic Folgoas
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multifunction writing instrument
    • Patent number 11,400,749
    • Issue date Aug 2, 2022
    • Societe BIC
    • Etienne Michenaud
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multifunction writing instrument
    • Patent number 11,104,179
    • Issue date Aug 31, 2021
    • Societe BIC
    • Etienne Michenaud
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Composite writing implement
    • Patent number 10,589,563
    • Issue date Mar 17, 2020
    • Kotobuki & Co., Ltd.
    • Tadao Odaka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing tool refill and writing tool using same
    • Patent number 10,569,596
    • Issue date Feb 25, 2020
    • Mitsubishi Pencil Company, Limited
    • Takayuki Ikai
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multi-function writing implement
    • Patent number 10,414,203
    • Issue date Sep 17, 2019
    • Chin-Cheng Lin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multicolor writing instrument with automatic return function
    • Patent number 10,052,906
    • Issue date Aug 21, 2018
    • Kwang Ju Cheon
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multi-color marker
    • Patent number 10,000,089
    • Issue date Jun 19, 2018
    • Joseph D. Maresh
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multi-color marker
    • Patent number 9,463,660
    • Issue date Oct 11, 2016
    • Joseph D. Maresh
    • 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

    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
  • Information Patent Grant

    Thermochromic writing instrument
    • Patent number 8,322,937
    • Issue date Dec 4, 2012
    • The Pilot Ink Co., Ltd.
    • Yoshinori Imamura
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multi-refill writing instrument
    • Patent number 7,946,777
    • Issue date May 24, 2011
    • The Pilot Ink Co., Ltd.
    • Osami Yamauchi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pen with double pen barrel
    • Patent number 7,854,559
    • Issue date Dec 21, 2010
    • Spark Gold Co.
    • Yu-Yin Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instruments with eradicable inks and eradicating fluids
    • Patent number 7,452,146
    • Issue date Nov 18, 2008
    • Sanford, L.P.
    • David Godbout
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instruments with eradicable inks and eradicating fluids
    • Patent number 7,229,487
    • Issue date Jun 12, 2007
    • Sanford, L.P.
    • David Godbout
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Composite writing instrument
    • Patent number 7,128,491
    • Issue date Oct 31, 2006
    • Mitsubishi Pencil Co., Ltd.
    • Seiichi Kobayashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Composite holding tool
    • Patent number 7,014,380
    • Issue date Mar 21, 2006
    • Fujicopian Co., Ltd.
    • Masahiko Ono
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Composite writing utensil
    • Patent number 6,939,069
    • Issue date Sep 6, 2005
    • Kotobuki & Co., Ltd.
    • Tadao Odaka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Hand held marking device
    • Patent number 5,899,619
    • Issue date May 4, 1999
    • O'Shei; May
    • Thomas O'Shei
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Instrument for writing and drawing
    • Patent number 4,872,774
    • Issue date Oct 10, 1989
    • R.P.R. Righella di W. Rosso & C. S.a.s.
    • Walter Rosso
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing implement with two retractable cartridges
    • Patent number 4,549,827
    • Issue date Oct 29, 1985
    • Wolfgang Mack
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Nib replaceable writing instrument
    • Patent number 4,406,555
    • Issue date Sep 27, 1983
    • Cathay Pen Corporation
    • Kuo L. Tsai
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pen for writing a double line
    • Patent number 4,120,595
    • Issue date Oct 17, 1978
    • Joseph A. Moreno
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument
    • Patent number 4,000,950
    • Issue date Jan 4, 1977
    • Eric C. Wahlberg
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3917416
    • Patent number 3,917,416
    • Issue date Nov 4, 1975
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3801206
    • Patent number 3,801,206
    • Issue date Apr 2, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents