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Arrangements for filling the reservoirs

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  • CPC
  • B43K7/04
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43KIMPLEMENTS FOR WRITING OR DRAWING B43K7/00Ball-point pens

Current Industry

B43K7/04Arrangements for filling the reservoirs
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Space pen refill for extravehicular activity
    • Patent number 12,070,969
    • Issue date Aug 27, 2024
    • Ningbo Institute of Northwestern Polytechnical University
    • Meiping Sheng
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Molten gold writing apparatus
    • Patent number 11,331,942
    • Issue date May 17, 2022
    • Quang V. Huwang
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Collector type writing instrument
    • Patent number 6,619,871
    • Issue date Sep 16, 2003
    • Mitsubishi Pencil Kabushiki Kaisha
    • Kazuhiko Furukawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Method of pressure processing enclosures having bi-stable valves
    • Patent number 6,539,987
    • Issue date Apr 1, 2003
    • Louis Dischler
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Bi-stable valve especially useful for pressurizing pen refills
    • Patent number 6,345,649
    • Issue date Feb 12, 2002
    • Louis Dischler
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Fluid dispensing device and method
    • Patent number 6,155,312
    • Issue date Dec 5, 2000
    • The Gillette Company
    • Brian J. Bosy
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Process for the production of a ball point pen cartridge
    • Patent number 4,587,999
    • Issue date May 13, 1986
    • Pelikan A.G.
    • Rudolf Boiko
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3315437
    • Patent number 3,315,437
    • Issue date Apr 25, 1967
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3100477
    • Patent number 3,100,477
    • Issue date Aug 13, 1963
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3099252
    • Patent number 3,099,252
    • Issue date Jul 30, 1963
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3063420
    • Patent number 3,063,420
    • Issue date Nov 13, 1962
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3006386
    • Patent number 3,006,386
    • Issue date Oct 31, 1961
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2914029
    • Patent number 2,914,029
    • Issue date Nov 24, 1959
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2880702
    • Patent number 2,880,702
    • Issue date Apr 7, 1959
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2847975
    • Patent number 2,847,975
    • Issue date Aug 19, 1958
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2846977
    • Patent number 2,846,977
    • Issue date Aug 12, 1958
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2816580
    • Patent number 2,816,580
    • Issue date Dec 17, 1957
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2799302
    • Patent number 2,799,302
    • Issue date Jul 16, 1957
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2756915
    • Patent number 2,756,915
    • Issue date Jul 31, 1956
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2708903
    • Patent number 2,708,903
    • Issue date May 24, 1955
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2678762
    • Patent number 2,678,762
    • Issue date May 18, 1954
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2597250
    • Patent number 2,597,250
    • Issue date May 20, 1952
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2557563
    • Patent number 2,557,563
    • Issue date Jun 19, 1951
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2489976
    • Patent number 2,489,976
    • Issue date Nov 29, 1949
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2408256
    • Patent number 2,408,256
    • Issue date Sep 24, 1946
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents