Ball point pen making

Patents Grantslast 30 patents

  • Information Patent Grant

    Tip unit for liquid applicator, method for producing the same, and...

    • Patent number 7,914,222
    • Issue date Mar 29, 2011
    • Sakura Color Products Corporation
    • Hiroshi Inoue
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Method of producing applicator tip

    • Patent number 7,721,402
    • Issue date May 25, 2010
    • Sakura Color Products Corporation
    • Hiroshi Inoue
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Aqueous gel ballpoint pen and method for the production thereof

    • Patent number 7,600,937
    • Issue date Oct 13, 2009
    • Zebra Co., Ltd.
    • Masafumi Yoshikawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Aqueous ink composition

    • Patent number 7,538,148
    • Issue date May 26, 2009
    • Sakura Color Products Corporation
    • Hiroshi Inoue
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Tool for manufacturing ballpoint pens

    • Patent number 7,131,181
    • Issue date Nov 7, 2006
    • Societe BIC
    • David Schmitz
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Eyebrow pencil making machine

    • Patent number 7,111,379
    • Issue date Sep 26, 2006
    • Ching Mei Chen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for disassembling a writing instrument

    • Patent number 5,806,164
    • Issue date Sep 15, 1998
    • Steven L. Wilks
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ball point pen

    • Patent number 5,520,473
    • Issue date May 28, 1996
    • The Gillette Company
    • Lawrence H. Durham
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Locking pin for securing a shift linkage

    • Patent number 5,309,787
    • Issue date May 10, 1994
    • INA Walzlager Schaeffler KG
    • Wilfried Soyka
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Method of bending a ball point pen tip

    • Patent number 5,012,663
    • Issue date May 7, 1991
    • Gillette Company
    • Robert L. Brown
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Process for the production of a ball-point pen tip supplied with li...

    • Patent number 4,789,263
    • Issue date Dec 6, 1988
    • Albe S.A.
    • Werner Germann
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Method of manufacturing the writing tip of a ball point pen

    • Patent number 4,722,124
    • Issue date Feb 2, 1988
    • Mitsubishi Pencil Co., Ltd.
    • Toshiaki Serikawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing point and method for the production thereof

    • Patent number 4,717,277
    • Issue date Jan 5, 1988
    • Rudi Hutt
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ball-and-socket joint assembly tool and method

    • Patent number 4,701,990
    • Issue date Oct 27, 1987
    • Robert Bosch GmbH
    • Georg Kehl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Apparatus for providing a rim on the tips of ballpoint

    • Patent number 4,619,130
    • Issue date Oct 28, 1986
    • Buzzi & Co. S.A.
    • Ugo Buzzi
    • 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

    Ball joint improvement and method

    • Patent number 4,431,330
    • Issue date Feb 14, 1984
    • Tuthill Corporation
    • Raymond E. Darnell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tip for ball point pen

    • Patent number 4,251,164
    • Issue date Feb 17, 1981
    • Pentel Kabushiki Kaisha
    • Eishiro Nakagawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Method of making a tip for a ball point pen

    • Patent number 4,231,146
    • Issue date Nov 4, 1980
    • Pentel Kabushiki Kaisha
    • Eishiro Nakagawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Method for producing ball point pen nibs

    • Patent number 4,134,199
    • Issue date Jan 16, 1979
    • Modern Mold & Tool Corp.
    • Alfred T. Liguori
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3678565

    • Patent number 3,678,565
    • Issue date Jul 25, 1972
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3502418

    • Patent number 3,502,418
    • Issue date Mar 24, 1970
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3380152

    • Patent number 3,380,152
    • Issue date Apr 30, 1968
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3281933

    • Patent number 3,281,933
    • Issue date Nov 1, 1966
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3230935

    • Patent number 3,230,935
    • Issue date Jan 25, 1966
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3216399

    • Patent number 3,216,399
    • Issue date Nov 9, 1965
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3183582

    • Patent number 3,183,582
    • Issue date May 18, 1965
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3181228

    • Patent number 3,181,228
    • Issue date May 4, 1965
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3099082

    • Patent number 3,099,082
    • Issue date Jul 30, 1963
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents