| Patents for B43L 23 - Sharpeners for pencils or leads (1,940) |
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| 01/13/2005 | US20050005459 Carpenter's pencil sharpener |
| 01/06/2005 | WO2005000601A2 Carpenter's pencil sharpener |
| 01/06/2005 | US20050000099 Pivoting sharpening device for pencil with non-circular cross section |
| 01/06/2005 | CA2530752A1 Carpenter's pencil sharpener |
| 12/30/2004 | US20040261275 Sharpener for creating a frusto-conical tip |
| 12/27/2004 | CA2463352A1 Sharpener for creating a frusto-conical tip |
| 12/23/2004 | WO2004110223A2 Combination utility knife |
| 12/16/2004 | US20040250423 Combination utility knife |
| 12/02/2004 | DE10348673A1 Sharpener used for sharpening writing, drawing and cosmetic pencils comprises body formed as one piece with the cutting tool or knife and made from a sintered ceramic suitable for forming a sharp cut |
| 12/01/2004 | CN2659706Y Electric pencil sharpener |
| 12/01/2004 | CN2659705Y Pencil sharpener able to prevent breaking lead |
| 10/28/2004 | DE4447956B4 Spitzer mit verstellbarem Fassonmesser für Stifte mit weicher Mine Spitzer style with adjustable blade for pens with soft Mine |
| 10/27/2004 | CN2651009Y Pencil knife |
| 10/27/2004 | CN2651008Y Pencil knife |
| 10/13/2004 | CN2647593Y Sharpener for propelling pencil with thick writing-core |
| 10/06/2004 | CN2645938Y Screw blade pencil cutter |
| 10/06/2004 | CN2645937Y 多功能音乐卷笔刀 Multifunction music sharpener |
| 10/05/2004 | US6799374 Belt wearable pencil sharpener |
| 09/30/2004 | US20040187313 Folding knife light tool |
| 09/29/2004 | EP1462273A1 Pencil sharpener for carpenter's pencil |
| 09/29/2004 | CN2644178Y Pencil-knife |
| 09/15/2004 | CN2640769Y Curved adjusting pencil sharpener |
| 09/09/2004 | US20040174700 Single body multi-tool device |
| 09/09/2004 | US20040172839 Multi-use tool |
| 09/02/2004 | DE20306322U1 Pencil sharpener has insert opening in housing leading to blade associated with shaft of central curvature of base of shavings collector forming circumferential throat |
| 08/19/2004 | WO2004069558A1 Pencil shaving device |
| 08/12/2004 | US20040154172 Multiple function pencil sharpening device with integrated eraser element |
| 08/04/2004 | CN2630002Y Pencil sharpener |
| 08/04/2004 | CN2630001Y Pencil sharpener |
| 07/29/2004 | DE10301751A1 Dual pencil sharpener has cap comprising of pair curved sections hinged at curved upper edges of case and having free edges abutted together in normally closed position or released from each other when case is compressed |
| 07/28/2004 | CN2628285Y Rotating pencil sharpener |
| 07/28/2004 | CN2628284Y Pencil sharpener |
| 07/01/2004 | WO2004011276A8 Portable handheld sharpener with loop attachments |
| 06/03/2004 | DE202004005040U1 Kosmetikstift-Spitzer Cosmetic pencil sharpener |
| 06/02/2004 | CN2618780Y Novel hand pencil sharpener |
| 06/01/2004 | US6742317 Individual package bagger and process |
| 05/26/2004 | CN2617542Y Telescopic knife |
| 05/11/2004 | US6732437 Soft lead sharpener with pivotable profile knife |
| 04/28/2004 | EP1011837B1 Device for facilitating manicuring and method of use thereof |
| 04/14/2004 | CN2611183Y Pencil sharpener |
| 04/07/2004 | CN2609778Y Multifunction pencil sharpener |
| 04/01/2004 | WO2004026594A1 Pencil sharpner cap |
| 03/25/2004 | WO2004011276A3 Portable handheld sharpener with loop attachments |
| 03/18/2004 | US20040049929 Pencil sharpener cap |
| 03/02/2004 | US6698100 Contractor's pencil sharpener mounting device |
| 02/24/2004 | US6696944 Indicating system for a manually controlled applicator |
| 02/05/2004 | WO2004011276A2 Portable handheld sharpener with loop attachments |
| 02/04/2004 | CN2601860Y Novel pencil sharpener with interchangeable blade |
| 01/29/2004 | US20040016476 Portable handheld sharpener with loop attachment |
| 01/22/2004 | US20040010927 Sharpener for soft-core pencils |
| 01/21/2004 | EP1382465A1 Sharpener for soft-core pencils |
| 01/14/2004 | CN2598763Y Electric pencil sharpener |
| 01/14/2004 | CN2598762Y Multiknife pencil sharpener |
| 01/08/2004 | US20040003505 Contractor's pencil sharpener mounting device |
| 01/08/2004 | DE20315663U1 Leaflet holder for storing leaflets comprises a holding plate having pin-like protrusions arranged in pairs with a thick free end for holding perforated paper leaflets |
| 12/24/2003 | CN2594047Y Pencil sharpener without lead break |
| 11/20/2003 | US20030213530 Pencil sharpener |
| 11/12/2003 | CN2585769Y Automatic pencil sharpening machine |
| 11/06/2003 | WO2003091044A1 Pencil sharpener, especially for cosmetic soft leaded pencils |
| 11/06/2003 | CA2491019A1 Pencil sharpener, especially for cosmetic soft leaded pencils |
| 11/05/2003 | CN2584419Y Improved structure of driving turntable of pencil sharpener |
| 10/29/2003 | CN1125732C Pencil sharpener |
| 10/28/2003 | US6637481 Apparatus for sharpening a writing instrument |
| 10/21/2003 | US6634108 Sharpener for sharpening a soft-core pencil |
| 10/21/2003 | CA2338196C Pencil sharpener |
| 10/08/2003 | EP1350637A1 Sharpener for soft lead, in particular dual sharpener, with pivotable blade |
| 10/02/2003 | DE20311122U1 Pencil sharpener has a rotating insert sleeve to grip the contour of the pencil |
| 09/18/2003 | US20030172992 Apparatus for sharpening a writing instrument |
| 09/11/2003 | DE10218357C1 Cosmetic pencil sharpener has blade at increasing angle to tapered end of pencil sharpening passage |
| 09/10/2003 | EP1342588A1 Sharpener for soft lead with pivotable blade |
| 09/04/2003 | US20030163925 Soft lead sharpener with pivotable profile knife |
| 09/03/2003 | CN2570054Y Electric pencil sharpener |
| 08/28/2003 | US20030159951 Three-in-one art pack |
| 08/06/2003 | CN1116992C Pencil sharpener |
| 07/02/2003 | EP1115583B1 Pencil sharpener |
| 07/02/2003 | CN1112999C Pencil sharpener |
| 06/18/2003 | CN2556045Y Pencil sharpener |
| 06/12/2003 | US20030106285 Individual package bagger and process |
| 06/10/2003 | US6574875 Pencil sharpener and method |
| 06/03/2003 | US6571480 Pencil sharpener for carpenter's pencil |
| 05/27/2003 | US6568090 Cosmetic pencil sharpener |
| 04/23/2003 | CN2546220Y Self-rotating mechainsm of pencil for pencil sharpening machine |
| 04/23/2003 | CN2546219Y Sharpening mechanism for pencil sharpener |
| 04/16/2003 | CN2544968Y Pencil sharpener |
| 04/08/2003 | US6543201 Individual package bagger and process |
| 04/02/2003 | CN2542465Y Tip thickness regulator for pencil sharpener |
| 03/26/2003 | CN2541206Y Novel pen knife |
| 03/13/2003 | US20030046901 Individual package bagger and process |
| 03/11/2003 | US6530153 Cosmetic pencil sharpener |
| 02/26/2003 | CN2537562Y 卷笔刀 Pencil sharpener |
| 01/23/2003 | US20030014870 Sharpener for sharpening a soft-core pencil |
| 01/22/2003 | EP1277596A2 Sharpener for soft pencil lead |
| 01/01/2003 | CN2528646Y Pencil holder mechanism of pencil sharpener |
| 01/01/2003 | CN2528645Y Pencil sharpener |
| 12/25/2002 | CN2527456Y Supporting frame gear wheel of pencil sharpener |
| 12/18/2002 | CN2526189Y Pencil sharpener suitable for multi-diameter pencils |
| 12/17/2002 | US6494638 Power drive adapter device |
| 12/05/2002 | US20020181995 Error reduction assembly and a method for reducing errors in the performance of a certain operation |
| 11/07/2002 | DE10055009C1 Spitzer für Weichminenstifte Sharpener for soft lead pencils |
| 10/29/2002 | US6471290 Detachable storage device for a desk |