TREA

with tubular writing-points comprising a movable cleaning element

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Industry

  • CPC
  • B43K8/16
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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

B43K8/16with tubular writing-points comprising a movable cleaning element
Industries

Patents Grantslast 30 patents

  • 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

    Barrel cylinder for writing instrument
    • Patent number 5,961,239
    • Issue date Oct 5, 1999
    • Mitsubishi Pencil Kabushiki Kaisha
    • Yuji Nishioka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pressurized writing instrument with stirring weight
    • Patent number 5,468,082
    • Issue date Nov 21, 1995
    • Jiro Hori
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Stylo pen tip and auxiliary removing tool
    • Patent number 5,067,839
    • Issue date Nov 26, 1991
    • Koh-I-Noor Inc.
    • Peter Felgentreu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Drop-weight and tubular writing instrument
    • Patent number 5,004,365
    • Issue date Apr 2, 1991
    • Koh-I-Noor Rapidograph, Inc.
    • Peter Felgentreu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Drop-weight and tubular writing instrument
    • Patent number 5,000,606
    • Issue date Mar 19, 1991
    • Koh-I-Noor Rapidograph, Inc.
    • Peter Felgentreu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument with displaceable safety separator
    • Patent number 4,990,012
    • Issue date Feb 5, 1991
    • J. S. Staedtler GmbH & Co.
    • Gerald Groetsch
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Device for screwing a writing instrument tip into a writing fluid r...
    • Patent number 4,981,383
    • Issue date Jan 1, 1991
    • J. S. Staedtler GmbH & Co.
    • Gerald Grotsch
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Tubular writting pen with superposed pressure equalization chambers
    • Patent number 4,930,921
    • Issue date Jun 5, 1990
    • Koh-I-Noor Rapidograph, Inc.
    • Gerold Anderka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Tip removal device
    • Patent number 4,892,428
    • Issue date Jan 9, 1990
    • J. S. Staedtler GmbH & Co.
    • Gerald Grotsch
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing implement
    • Patent number 4,776,718
    • Issue date Oct 11, 1988
    • Schmidt Feintechnik GmbH
    • Werner Heinzmann
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Tubular writing pen tip with adjustment means
    • Patent number 4,761,090
    • Issue date Aug 2, 1988
    • Koh-I-Noor Rapidograph, Inc.
    • Djing-San Goh
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Device to prevent the inadvertent coming-apart of the parts of a dr...
    • Patent number 4,652,164
    • Issue date Mar 24, 1987
    • Kishizuka Kikai Kogyo Kabushiki Kaisha
    • Terumasa Kishizuka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pressurized writing device with needle weight having valve means
    • Patent number 4,605,331
    • Issue date Aug 12, 1986
    • Kurt Held
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing insert with sealing cap
    • Patent number 4,595,308
    • Issue date Jun 17, 1986
    • A. W. Faber-Castell GmbH & Co.
    • Harald Schiefnetter
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Disposable inker cartridge and holder therefor
    • Patent number 4,400,708
    • Issue date Aug 23, 1983
    • Richard L. Sachs
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pen with articulate handle
    • Patent number 4,269,529
    • Issue date May 26, 1981
    • John D. McCollough
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Device for receiving a writing implement
    • Patent number 4,231,669
    • Issue date Nov 4, 1980
    • A.W. Faber-Castell
    • Rudolf Rosbiegalle
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing fluid cartridge
    • Patent number 4,221,496
    • Issue date Sep 9, 1980
    • Mesne Koh-I-Noor Rapidograph, Inc.
    • Gerold Anderka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Reservoir cartridge for writing pens
    • Patent number 4,217,058
    • Issue date Aug 12, 1980
    • Koh-I-Noor Rapidograph, Inc.
    • Klaus Straszewski
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Automatic drafting instrument with stylographic pen
    • Patent number 4,173,020
    • Issue date Oct 30, 1979
    • Rotring-Werke Riepe KG
    • Gerald Anderka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Capillary tube pen point
    • Patent number 4,102,584
    • Issue date Jul 25, 1978
    • Koh-I-Noor Rapidograph, Inc.
    • Gerold Anderka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sealing gasket for a capillary pen cover
    • Patent number 4,086,011
    • Issue date Apr 25, 1978
    • Koh-I-Noor Rapidograph, Inc.
    • Lasse Kuparinen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Method for the manufacture of writing instruments
    • Patent number 4,003,665
    • Issue date Jan 18, 1977
    • Kern & Co. AG
    • Hans Dreyer
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3900268
    • Patent number 3,900,268
    • Issue date Aug 19, 1975
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3830574
    • Patent number 3,830,574
    • Issue date Aug 20, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3744923
    • Patent number 3,744,923
    • Issue date Jul 10, 1973
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3737242
    • Patent number 3,737,242
    • Issue date Jun 5, 1973
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3601494
    • Patent number 3,601,494
    • Issue date Aug 24, 1971
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3598494
    • Patent number 3,598,494
    • Issue date Aug 10, 1971
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • 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