Patents
Patents for B43K 19 - Non-propelling pencils; Styles; Crayons; Chalks (2,388)
02/2002
02/27/2002CN1337318A Manufacture of pencil head for painting standard examination card
02/13/2002CN1335231A Manufacture of environment protection type pencil with wound waste paper
02/13/2002CN1335230A Soft pencil and its manufacture
02/06/2002EP1177108A1 Pencil encased in wood for writing, colouring, drawing and cosmetic purposes
02/06/2002CN1334204A Lignified plastic pencil and its making technology
01/2002
01/30/2002CN2474335Y Special pencil for standardized examination
01/30/2002CN1333139A Plastic pencil
01/23/2002CN2472951Y Novel four line lattice drawing chalk
01/09/2002EP1169398A1 Method for increasing the tensile, breaking and flexural strength of coloured leads and coloured pencils containing the same
01/09/2002CN2470125Y Sanitary chalk with cover
12/2001
12/26/2001CN2467329Y Lead pencil with changable writing core
11/2001
11/29/2001WO2001089832A2 Writing instrument and method of making same
11/13/2001US6316526 Mixing crushed base materials containing thermolabile polymeric binding agent, inorganic filler and coloring agent with water; extruding to form raw leads; heat treating to decompose binding agent
11/07/2001EP1150847A1 Method for making a writing or colouring pencil by triple extrusion and writing or colouring pencil comprising an intermediate protective layer
11/01/2001US20010034949 Razor tip
10/2001
10/25/2001WO2001079365A1 Solid marking composition as writing means, a writing instrument, an optically variable marking layer and use of a plurality of optically variable pigments
10/17/2001EP1146098A1 Solid marking composition as writing means, a writing instrument, an optically variable marking layer and use of a plurality of optically variable pigments
10/10/2001CN2452742Y Cover-winded type hygineic chalk
09/2001
09/26/2001CN2449927Y Propelling chalk
09/19/2001CN2448564Y Continuous paper pencil making machine
09/05/2001EP1128947A1 Method for producing a rod-shaped composite part and rod-shaped composite part
08/2001
08/22/2001CN1309031A Method for decorating end of pencil
08/15/2001CN1307979A Blackboard writing pen and its making process
08/09/2001DE10003792A1 Beschichtungsmittel und dessen Verwendung Coating agent and its use
08/07/2001US6271286 Colors with binder resins, fibrillatable, lubricants, fillers and antioxidants
07/2001
07/25/2001CN2439955Y Paper-rod pencil twisting machine
07/11/2001CN2438582Y Soft pencil
07/04/2001CN2437495Y Pencil holder
07/04/2001CN1302316A Erasable colored pencil lead
06/2001
06/27/2001CN1301217A Marking system
06/21/2001WO2001043987A1 Method for making a writing or colouring pencil by triple extrusion and writing or colouring pencil comprising an intermediate protective layer
06/05/2001US6241409 Pencils containing reclaimed rubber
05/2001
05/23/2001EP1100685A1 Marking system
05/09/2001CN2429331Y Paper-rolled pencils
05/02/2001CN2428303Y Multifunction pencil
05/02/2001CN2428300Y Prepelling type chalk
04/2001
04/25/2001EP1093495A1 Erasable colored pencil lead
04/24/2001US6220255 Filler sticks for cosmetic sticks or the like
04/17/2001US6217245 Writing instrument having a glitter embedded barrel and method of making same
03/2001
03/28/2001CN2424933Y Pencil
03/21/2001EP1084042A1 Chalk stick provided with protective sleeve and shrinkable protective sleeve
03/15/2001WO2000001533A8 Marking system
03/07/2001CN2422142Y Chalk with improved structure
03/07/2001CN2422141Y Dustless-surface chalk
03/07/2001CN1286177A Method for manufacturing pencil holder
02/2001
02/28/2001CN2421171Y Paper holder pencil
02/28/2001CN2421170Y Semi-propelling pencil
02/28/2001CN1285278A Pencil with 2B hardness
01/2001
01/31/2001CN2417031Y End-to-end connecting structure for pencils
01/30/2001US6179502 Writing instrument with locking core
01/24/2001EP1070577A1 Apparatus and method for extruding pencils
01/18/2001WO2001003946A1 Pencil
01/09/2001US6171096 Die for making extruded pencil blank
12/2000
12/13/2000CN2410128Y Pencil
12/13/2000CN2410127Y 自动粉笔 Automatic chalk
11/2000
11/16/2000WO2000068023A1 Pencil encased in wood for writing, colouring, drawing and cosmetic purposes
11/15/2000CN2405763Y Pencil
10/2000
10/31/2000US6139671 Method for manufacturing pencils having a paper-made cylinder
10/26/2000DE19903540C1 Pencil, in particular, for cosmetic purposes comprises a cover element which is provided with depressions filled with a filler material with a color differing from that of the cover element
10/25/2000CN2402488Y Pencil
10/19/2000DE19932460C1 Pencil has shaft with light-absorbing area and different area emitting more visible light of at least one frequency, e.g. polygonal shaft with grooved edges consisting of plastics containing light-collecting dye
10/11/2000CN2400285Y Sanitary durable chalks
10/04/2000CN2399221Y Convenient sharpening-free pencil
10/04/2000CN2399220Y Environmental protection sharpening-free pencil
09/2000
09/27/2000CN2398101Y Multipurpose writing board and writing pen with colour liquid and without dust
09/26/2000US6124377 Marking system
09/21/2000WO2000055264A1 Method for increasing the tensile, breaking and flexural strength of coloured leads and coloured pencils containing the same
09/21/2000DE19911748A1 Verfahren zur Erhöhung der Zug-, Bruch und Biegefestigkeit von Farbminen sowie solche Minen enthaltende Farbstifte A method for increasing the tensile, breaking and flexural strength of colored leads, as well as such mines containing crayons
09/20/2000CN2396981Y White alloy weld chalk die
09/13/2000CN1266077A Method for making flash powder glue pen
09/06/2000CN2394788Y 纸铅笔 Paper Pencil
09/06/2000CN2394787Y 铅笔 Pencil
08/2000
08/09/2000CN1262177A Paraffin wax-plastic pencil
07/2000
07/25/2000US6092950 Method of manufacturing laminated plates, pencil boards and/or shafts for writing, drawing or painting
07/12/2000CN2386963Y Triangular prism shape chalk
07/06/2000DE19601585C2 Silikat-Kreiden Silicate chalks
06/2000
06/29/2000DE19860258A1 Manufacturing method for cosmetic pens with wood sleeve uses spacer cartridges glued between timber plates and melted out to form mold for pen cartridge
06/28/2000CN2384782Y Pencil extruder
06/28/2000CN2384781Y Special-purpose blotting out pencil
06/20/2000US6077568 Method of coating elongate objects
06/07/2000CN2381508Y Magnetic writing tool
06/07/2000CN2381499Y 塑料铅笔 Plastic pencil
05/2000
05/31/2000CN2380396Y Black board eraser with cleaner
05/25/2000DE19852066A1 Verfahren zur Herstellung eines stabförmigen Verbundkörpers sowie stabförmiger Verbundkörper A process for producing a rod-shaped compound body as well as rod-shaped compound body
05/18/2000WO2000027611A1 Method for producing a rod-shaped composite part and rod-shaped composite part
05/17/2000CN2378206Y Pencil
05/10/2000EP0998397A1 Pencils containing reclaimed rubber
05/04/2000DE19849819A1 Verfahren und Vorrichtung zur Herstellung von Minen für Kosmetikstifte oder dergleichen Method and apparatus for the production of leads for cosmetic pencils or the like
05/03/2000EP0997085A2 Method and devices for making leads for cosmetic pencils and similar
04/2000
04/26/2000CN2375467Y Chalks sheathing holder
03/2000
03/02/2000WO1999006222A3 Pencils containing reclaimed rubber
03/01/2000CN1245754A Production method of paper pencil
02/2000
02/23/2000CN2365070Y Cover of chalk
02/16/2000CN2363890Y Wooden nib holder
02/09/2000CN2362709Y Packaged rubber protective cover
01/2000
01/20/2000DE19758519A1 Silicate crayons, for use on hard substrates such as concrete or coarse plaster, contain added lime to increase hardness and reduce wear
01/13/2000WO2000001533A1 Marking system
01/06/2000WO2000000557A1 Erasable colored pencil lead
01/05/2000CN2356856Y Special pencil for coating card
12/1999
12/16/1999WO1999064253A1 Chalk stick provided with protective sleeve and shrinkable protective sleeve
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