| Patents for B43K 19 - Non-propelling pencils; Styles; Crayons; Chalks (2,388) |
|---|
| 11/24/1993 | CN1078686A Non-toxic and nondusty chalk and its process |
| 11/17/1993 | CN2146370Y Chalk with protective film |
| 11/10/1993 | CN2145705Y Short-lad pencil |
| 11/03/1993 | CN1077922A Pencil with layered holder and without need of sharpening and its making method |
| 10/27/1993 | CN2144581Y Portable sponge box for soften chalk and note counting |
| 10/20/1993 | CN1077472A Composition of moist dustless chalk |
| 10/19/1993 | US5253368 Cap with erasable billboard |
| 10/06/1993 | CN2143181Y Pencil for drawing lines |
| 09/14/1993 | US5244297 Process for manufacturing pencil by tri-extrusion and the produced pencil having an intermediate protective casing |
| 09/07/1993 | CA1321866C Method and apparatus for the manufacture of filler sticks for cosmetic sticks and the like |
| 08/18/1993 | EP0555673A1 Coloured lead |
| 08/11/1993 | EP0554816A1 Protective cap |
| 08/11/1993 | EP0523177A4 Phosphorescent marking material |
| 07/21/1993 | CN1074411A Ripping-paper-holder pencil |
| 07/20/1993 | US5228794 Ergonomic writing instrument |
| 07/07/1993 | EP0467949B1 Holder for a writing article or the like |
| 06/24/1993 | DE4141539A1 Pencil, esp. cosmetic pencil - consists of soft refill and case of made of wound paper, can be sharpened and has moisture repellent inside surface |
| 06/09/1993 | CN2135469Y Rectangular section pencil core and propelling pencil thereof |
| 05/25/1993 | CA1318279C Solid stick product applicator having an open-celled attachment pad |
| 05/19/1993 | EP0510181A4 Applicator for soft materials |
| 04/21/1993 | CN1071122A Method for produciton of medical health-care chalk |
| 04/13/1993 | CA1316285C Fragrance releasing crayons |
| 03/31/1993 | CN1070367A Pencil |
| 03/03/1993 | CN1069450A Sanitary chalk and fabricating technology |
| 02/17/1993 | CN2127060Y Chalk and its cover |
| 02/04/1993 | WO1993001944A1 Process for making a pencil |
| 01/21/1993 | DE4124210A1 Verfahren zur herstellung eines stiftes A process for producing a pin |
| 01/20/1993 | EP0523177A1 Phosphorescent marking material |
| 01/20/1993 | CN1068069A Destless chalk capable of wet erasing and wet writing, production thereof |
| 01/07/1993 | DE4109322C1 Extrudable coating material for pencil - contg. polystyrene, polyethylene@, calcium stearate, talc, plaster and coupling agent |
| 12/16/1992 | EP0518018A1 Rigid fiberboard |
| 12/02/1992 | EP0516268A1 Ergonomic writing instrument |
| 12/01/1992 | CA2066091A1 Ergonomic writing instrument |
| 11/18/1992 | CN2122064U Cylinder chalk covered with plastic |
| 11/05/1992 | DE4214396A1 Ungebrannte farbstiftminen und verfahren zu ihrer herstellung Unfired crayon mines and process for their production |
| 11/04/1992 | CN1065829A Paper pencil making machine |
| 10/28/1992 | EP0510181A1 Applicator for soft materials |
| 10/07/1992 | CN2117993U Drawing pencil with square writing core |
| 09/23/1992 | EP0505262A1 Method of manufacturing a crayon or pencil by triple extrusion, crayon or pencil featuring an intermediate protective jacket for the lead |
| 09/16/1992 | CN2115896U Pencil with wax paper as holder |
| 06/10/1992 | CN2106722U Hydraulic pencil writing-core extruder |
| 06/03/1992 | CN1061563A Automatic decolouring drawing pen |
| 05/29/1992 | WO1992008387A1 Applicator for soft materials |
| 05/26/1992 | US5116533 Glow in the dark crayons |
| 05/21/1992 | DE4036875A1 Improving workability of wood, partic. for pencil or crayon mfr. - by subjecting wood to pressure with gas in pressure vessel then suddenly decompressing vessel |
| 05/19/1992 | CA1300816C Method for the production of pencil leads and pencil leads produced by the method |
| 05/12/1992 | US5112151 Cover for artist's pastel |
| 04/01/1992 | CN2100310U Chalk movable in constant diameter sleeve |
| 03/24/1992 | US5098212 For pencil leads |
| 03/11/1992 | CN2098381U Coiler for paper-based pencil holder |
| 03/04/1992 | CN2097747U Pen |
| 02/13/1992 | DE4025199A1 Felt pen with paper-mache casing - has protective cap and ink tip made of same recycled material |
| 01/29/1992 | EP0467949A1 Holder for a writing article or the like. |
| 12/04/1991 | CN2089874U Quick crossing pen for answering standard examination |
| 11/28/1991 | DE4016474A1 Appts. for pencil mfr. - comprises mounting pencil casings radially in walls of rotating container and filling material flows into casings |
| 11/19/1991 | US5066216 Apparatus for injection of viscous material |
| 11/06/1991 | CN2088042U Pencil-inserting machine |
| 10/16/1991 | CN2086664U Platen device of grinding machine for lead plywood |
| 10/06/1991 | WO1991015553A1 Phosphorescent marking material |
| 10/06/1991 | CA2079591A1 Phosphorescent marking material |
| 10/02/1991 | CN2085736U Chalk using ink |
| 10/02/1991 | CN1054994A Method for eliminating blackboard chalk dust |
| 09/25/1991 | CN2085303U Special pencil for standardized question answering card |
| 09/18/1991 | CN2084880U Drawing pencil with flat lead |
| 09/10/1991 | US5046876 Safety tipped pencil and sharpener therefor |
| 09/03/1991 | US5044804 Writing instrument |
| 08/13/1991 | US5039243 Fragrance releasing crayons |
| 08/08/1991 | WO1991011335A1 Writing or drawing crayon and process for manufacturing it |
| 08/08/1991 | WO1991011334A1 Writing or drawing crayon with a shaft consisting of a surround made of material in sheet or foil form and process for making it |
| 08/08/1991 | DE4003289A1 Writing or painting implement in casing sleeve - has laminated stem of layers of paper, plastics etc, rolled and glued together |
| 08/08/1991 | DE4003288A1 Writing or painting implement in sleeve - which is made of cardboard wood chips or swarf |
| 06/19/1991 | CN2079120U Rolling multi-purpose rule and pen |
| 06/05/1991 | CN2078234U Edger without saw for production of pencil plate |
| 05/22/1991 | CN1051530A Pencil with plastic shaft |
| 04/30/1991 | US5011445 Color memory toy set |
| 04/10/1991 | CN2074709U 自动粉笔 Automatic chalk |
| 03/27/1991 | EP0418841A1 Apparatus for injection of viscous material |
| 03/23/1991 | CA2023761A1 Apparatus for injection of viscous material |
| 03/06/1991 | CN2072480U 手指笔 Finger pen |
| 02/20/1991 | CN2071584U Myopia prevention pencil |
| 02/05/1991 | US4990013 Glitter crayon |
| 12/27/1990 | EP0404215A1 Propelling pencil |
| 12/21/1990 | CA2018663A1 Propelling pencil |
| 12/12/1990 | CN2067222U Practical drawing pencil |
| 11/14/1990 | CN2065555U Magnetic pen with squar magnetic head |
| 10/31/1990 | CN2064712U Propelling chalk |
| 10/18/1990 | WO1990011899A1 Holder for a writing article or the like |
| 08/16/1990 | EP0382241A2 Color memory toy set |
| 08/08/1990 | CN2060119U Moving chalk |
| 08/08/1990 | CN2060117U Triangle black lead |
| 04/26/1990 | DE3835680A1 Method for producing an insert, in particular for cosmetic sticks and the like, insert for a cosmetic stick, and cosmetic stick with an insert of this type |
| 04/18/1990 | CN2056126U 自动粉笔 Automatic chalk |
| 03/28/1990 | CN1007333B Material of pencil-holder |
| 03/14/1990 | CN2054401U Soft hygiene chalk |
| 02/14/1990 | CN1039556A Pencil and ink suitable for children |
| 02/13/1990 | US4899977 Method and apparatus for the manufacture of filler sticks for cosmetic sticks and the like |
| 01/30/1990 | US4897142 Process and apparatus for the continuous line manufacture of pencils |
| 01/24/1990 | CN2051564U Semi-automatic pen for writing on blackboard and pen box |
| 12/14/1989 | DE3819034A1 Process for the production of a writing chalk having improved writing action |
| 12/13/1989 | CN2049186U Pencil with special-shaped pencil lead |