with ink-level inspection means

Industry

  • CPC
  • B43K5/12
This industry / category may be too specific. Please go to a parent level for more data

Patents Grantslast 30 patents

  • Information Patent Grant

    Device for manual application of a liquid

    • Patent number 11,760,122
    • Issue date Sep 19, 2023
    • STABILO International GmbH
    • Karl-Peter Kämpf
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Cosmetic applicator

    • Patent number 10,143,288
    • Issue date Dec 4, 2018
    • Mitsubishi Pencil Company, Limited
    • Satoshi Sakuma
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Deodorant package with expanding platform

    • Patent number 9,339,097
    • Issue date May 17, 2016
    • Tessy Plastics Corporation
    • James Weishaar
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Fingertip mountable writing instrument

    • Patent number 9,333,796
    • Issue date May 10, 2016
    • Keith Martin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing implement

    • Patent number 7,070,352
    • Issue date Jul 4, 2006
    • Mitsubishi Pencil Kabushikikaisha
    • Hisashi Iida
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Transparent or translucent tubular structure

    • Patent number 6,742,952
    • Issue date Jun 1, 2004
    • BIC Corporation
    • Qingping Chen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Liquid ink writing pen with visible tip

    • Patent number 6,464,420
    • Issue date Oct 15, 2002
    • Chartpak, Inc.
    • Bruce W. Brunetti
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ball point pen

    • Patent number 6,261,019
    • Issue date Jul 17, 2001
    • Mitsubishi Pencil Kabushiki Kaisha
    • Kazuhiko Furukawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ecologically beneficial refill for a pen including a level indicato...

    • Patent number 6,068,422
    • Issue date May 30, 2000
    • Eversharp Pen Co.
    • Paul A. Smith
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Method for marking the external surface of a strand of material

    • Patent number 5,954,443
    • Issue date Sep 21, 1999
    • Bruce Allen Bacon
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Liquid-ink writing instrument having a reservoir fitted with a syst...

    • Patent number 5,865,553
    • Issue date Feb 2, 1999
    • Conte S.A.
    • Benoit Flye Sainte Marie
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Indicating chart pen cartridge with transparent wall

    • Patent number 5,033,896
    • Issue date Jul 23, 1991
    • Waterbury Pen Corporation
    • William F. Lytle
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Plotter pen ink level detector

    • Patent number 4,881,088
    • Issue date Nov 14, 1989
    • Paul C. Fisher
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2678633

    • Patent number 2,678,633
    • Issue date May 18, 1954
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2319802

    • Patent number 2,319,802
    • Issue date May 25, 1943
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2162223

    • Patent number 2,162,223
    • Issue date Jun 13, 1939
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2097256

    • Patent number 2,097,256
    • Issue date Oct 26, 1937
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2078083

    • Patent number 2,078,083
    • Issue date Apr 20, 1937
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2044181

    • Patent number 2,044,181
    • Issue date Jun 16, 1936
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1989351

    • Patent number 1,989,351
    • Issue date Jan 29, 1935
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1943048

    • Patent number 1,943,048
    • Issue date Jan 9, 1934
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1908384

    • Patent number 1,908,384
    • Issue date May 9, 1933
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1907626

    • Patent number 1,907,626
    • Issue date May 9, 1933
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1874024

    • Patent number 1,874,024
    • Issue date Aug 30, 1932
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1783681

    • Patent number 1,783,681
    • Issue date Dec 2, 1930
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1412930

    • Patent number 1,412,930
    • Issue date Apr 18, 1922
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1409613

    • Patent number 1,409,613
    • Issue date Mar 14, 1922
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1372608

    • Patent number 1,372,608
    • Issue date Mar 22, 1921
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1088691

    • Patent number 1,088,691
    • Issue date Mar 3, 1914
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1050295

    • Patent number 1,050,295
    • Issue date Jan 14, 1913
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents