TREA

Tubular writing-points

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Industry

  • CPC
  • B43K1/06
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43KIMPLEMENTS FOR WRITING OR DRAWING B43K1/00Nibs Writing-points

Current Industry

B43K1/06Tubular writing-points
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Writing instrument comprising two concentric writing tips
    • Patent number 11,124,013
    • Issue date Sep 21, 2021
    • Societe BIC
    • Franck Rolion
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pen dispenser with plastic spring actuator
    • Patent number 11,040,566
    • Issue date Jun 22, 2021
    • LB USA Flexibles, Inc.
    • Loren L. Brelje
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument
    • Patent number 9,566,818
    • Issue date Feb 14, 2017
    • Mitsubishi Pencil Company, Limited
    • Toshimi Kamitani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Conical NIB and writing instrument using the same
    • Patent number 8,801,314
    • Issue date Aug 12, 2014
    • Shizuo Yamanaka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Tool for operating on a three-dimensional surface
    • Patent number 8,616,795
    • Issue date Dec 31, 2013
    • Cranial Technologies, Inc.
    • Jerold N. Luisi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Conical nib, method of manufacture of the same, and ceramic composi...
    • Patent number 6,652,177
    • Issue date Nov 25, 2003
    • Nobuhiko Shimada
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Conical penpoint method of manufacture
    • Patent number 5,902,064
    • Issue date May 11, 1999
    • Shizuo Yamanaka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pen nib of a writing instrument
    • Patent number 5,238,320
    • Issue date Aug 24, 1993
    • Teibow Company Limited
    • Takahiro Komatsu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pivotable pen tip
    • Patent number 4,900,176
    • Issue date Feb 13, 1990
    • Koh-I-Noor Rapidograph, Inc.
    • Peter Felgentreu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing point for writing or recording instruments and process for...
    • Patent number 4,634,306
    • Issue date Jan 6, 1987
    • Firma J.S. Staedtler
    • Peter Dzuik
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument tip
    • Patent number 4,551,038
    • Issue date Nov 5, 1985
    • The Gillette Company
    • Hugh W. B. Baker
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Method for producing a nondirectional pen
    • Patent number 4,547,947
    • Issue date Oct 22, 1985
    • The Sailor Pen Co., Ltd.
    • Katuzi Oshita
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Method for producing a nondirectional pen
    • Patent number 4,547,946
    • Issue date Oct 22, 1985
    • The Sailor Pen Co., Ltd.
    • Kazuhiko Osaki
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument with a metal wire point
    • Patent number 4,531,853
    • Issue date Jul 30, 1985
    • Shachihata Industry Co., Ltd.
    • Masao Hirabayashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Tubular writing tip having an outer reduced diameter portion
    • Patent number 4,525,092
    • Issue date Jun 25, 1985
    • Pentel Kabushiki Kaisha
    • Takahiko Shimizu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pen nib construction
    • Patent number 4,465,391
    • Issue date Aug 14, 1984
    • Yamanaka; Shizuo
    • Tetsuo Kinjo
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Fountain pen with specific tubular nib
    • Patent number 4,269,528
    • Issue date May 26, 1981
    • Pilot Man-Nen-Hitsu Kabushiki Kaisha
    • Takeo Oki
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Embouchure pens having plural contiguous nibs
    • Patent number 4,171,168
    • Issue date Oct 16, 1979
    • Ben Braun
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Embouchure pen
    • Patent number 3,950,106
    • Issue date Apr 13, 1976
    • Ben Braun
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3859190
    • Patent number 3,859,190
    • Issue date Jan 7, 1975
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3807880
    • Patent number 3,807,880
    • Issue date Apr 30, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3807882
    • Patent number 3,807,882
    • Issue date Apr 30, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3806264
    • Patent number 3,806,264
    • Issue date Apr 23, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3774231
    • Patent number 3,774,231
    • Issue date Nov 20, 1973
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3627433
    • Patent number 3,627,433
    • Issue date Dec 14, 1971
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3614247
    • Patent number 3,614,247
    • Issue date Oct 19, 1971
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3390967
    • Patent number 3,390,967
    • Issue date Jul 2, 1968
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3338216
    • Patent number 3,338,216
    • Issue date Aug 29, 1967
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2876740
    • Patent number 2,876,740
    • Issue date Mar 10, 1959
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2667402
    • Patent number 2,667,402
    • Issue date Jan 26, 1954
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents