| Patents for B43K 15 - Assembling, finishing, or repairing pens (270) |
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| 05/27/1997 | US5633082 Polyethylene terephthalate sheath/thermoplastic polymer core bicomponent fibers, method of making same and products formed therefrom |
| 04/15/1997 | US5620641 Polyethylene terephthalate sheath/thermoplastic polymer core bicomponent fibers, method of making same and products formed therefrom |
| 12/12/1996 | WO1996039054A1 Polyethylene terephthalate sheath/thermoplastic polymer core bicomponent fibers, method of making same and products formed therefrom |
| 11/28/1996 | WO1996037356A1 Production of releasable sleeve sections |
| 09/11/1996 | EP0730982A2 Writing utensil and method of manufacturing it |
| 08/14/1996 | EP0725736A1 Ball point pen |
| 07/31/1996 | EP0723880A1 A method of making cosmetic pencils, and a cosmetic pencil obtained by same |
| 05/28/1996 | US5520473 Ball point pen |
| 05/21/1996 | US5518330 For extending/retracting a switching tip of a writing cartridge |
| 04/10/1996 | CN1119994A Four part ball point pen mechanism |
| 03/13/1996 | CN1118313A Process for lusterless pen rod with colour veins |
| 01/17/1996 | CN2217518Y Injection-forming mould for cap of pen |
| 12/07/1995 | DE19511821A1 Material for manufacturing jewellery, stationery etc. |
| 07/13/1995 | EP0725736A4 Ball point pen |
| 05/31/1995 | CN2199057Y 钢笔 Pen |
| 04/04/1995 | US5403106 Liquid applicator with axially spaced joints |
| 03/01/1995 | CN1099339A Chinese straw pen |
| 01/12/1995 | DE4320978A1 Flanging tool |
| 06/01/1994 | EP0522051B1 Method of bending a ball point pen tip |
| 04/12/1994 | CA1328427C Ink reservoir having continuous random sliver with stretch yarn |
| 01/06/1994 | WO1994000304A1 Ball point pen |
| 10/13/1993 | EP0564666A1 Non-mingling multicolor marker and its fabrication |
| 05/26/1993 | CN1020877C Color-blending-proof multi-colored pen and manufacturing method thereof |
| 12/22/1992 | US5172994 Ball point pen with bent tip |
| 10/29/1992 | DE4113079A1 Method of filling ink reservoir of ball pen - involves using sealed chamber for adding liquefied pressurising gas |
| 07/29/1992 | CN2111194U Fitting device for tubar parts |
| 06/24/1992 | CN1062114A Multiple colour collecting pen |
| 06/03/1992 | CN1061564A Color-blending-proof multi-colored pen and manufacturing method thereof. |
| 04/29/1992 | EP0482299A1 Improved plotter pen assembly |
| 03/11/1992 | CN1059309A Multicolor ink pen and its manufacturing method |
| 02/12/1992 | CN1058565A Method and apparatus for making long-tip writing-painting brush |
| 10/03/1991 | WO1991014521A1 Method of bending a ball point pen tip |
| 05/07/1991 | US5012663 Method of bending a ball point pen tip |
| 04/02/1991 | US5004365 Drop-weight and tubular writing instrument |
| 03/19/1991 | US5000606 Drop-weight and tubular writing instrument |
| 02/06/1991 | CN2070677U Button type ink filling reed for pen |
| 01/17/1991 | DE3922955A1 Writing implement with collet chuck - has shaped chuck sections to allow for automatic assembly |
| 11/14/1990 | CN2065554U Hand controlled multi functional pen and its ink reservoirs |
| 11/29/1989 | CN2048427U Pen nip for fountain pen |
| 06/15/1989 | WO1989005235A1 Ink reservoir having continuous random sliver with stretch yarn |
| 04/18/1989 | US4822193 Ink pen |
| 03/29/1988 | US4733586 Method of and apparatus for making a capillary-action nib for a pen or marker |
| 03/08/1988 | US4729808 Ink reservoir having continuous random sliver with stretch yarn |
| 02/02/1988 | US4722124 Method of manufacturing the writing tip of a ball point pen |
| 02/02/1988 | CA1232233A1 Direct filling pressurized writing instrument and method of manufacturing |
| 11/04/1987 | EP0243691A1 Process and apparatus for manufacturing porous writing points |
| 06/30/1987 | US4676684 Lead delivery mechanism for mechanical pencil |
| 01/13/1987 | US4635338 Method and apparatus for assembling an automatic and disposable pencil |
| 06/11/1986 | EP0184272A1 Lead delivery mechanism for a mechanical pencil |
| 10/22/1985 | US4547947 Method for producing a nondirectional pen |
| 10/22/1985 | US4547946 Method for producing a nondirectional pen |
| 06/04/1985 | US4520548 Method and apparatus for fastening an eraser to a pencil |
| 03/26/1985 | US4506426 Pocket clip for a writing instrument |
| 12/25/1984 | US4490415 Hot melt polyester as a coating material |
| 10/31/1984 | EP0123521A1 Direct filling pressurized writing instrument and method of manufacturing |
| 10/03/1984 | EP0120386A1 Method for producing a nondirectional pen |
| 09/19/1984 | EP0118795A1 Method for producing a nondirectional pen |
| 10/19/1982 | US4354889 Ink reservoir element for use in a marking instrument, and method and apparatus for producing same |
| 04/20/1982 | CA1122163A1 Ink reservoir element for use in a making instrument, and method and apparatus for producing same |
| 11/24/1981 | US4302120 Nib assembly |
| 08/25/1981 | US4286005 Ink reservoir element for use in a marking instrument, and method and apparatus for producing same |
| 04/07/1981 | US4259780 Parts assembler for ballpoint pens |
| 12/02/1980 | US4236624 Apparatus for orientating elongated articles, such as bodies of writing pens |
| 10/15/1980 | EP0017395A1 Parts assembler for ballpoint pens |
| 08/05/1980 | CA1083075A1 Apparatus for orientating elongated web like members, in particular bodies of writing pens |
| 01/30/1979 | US4136431 Apparatus and method for inserting indicia into pens |
| 01/16/1979 | US4134199 Method for producing ball point pen nibs |
| 06/13/1978 | US4094610 Pen lock apparatus |
| 01/18/1977 | US4003665 Method for the manufacture of writing instruments |
| 03/16/1976 | US3944372 Device for fastening the cap of a fountain pen upon the rear portion of the body or barrel of the pen |