| Patents for B43L 23 - Sharpeners for pencils or leads (1,940) | |
|---|---|
| 07/2013 | |
| 07/24/2013 | CN203078147U Novel pencil sharpener |
| 07/24/2013 | CN203078146U Double-hole pencil sharpener |
| 07/18/2013 | WO2013106676A1 Dual drive pencil sharpener |
| 07/17/2013 | CN203063451U Automatic pencil sharpener |
| 07/17/2013 | CN203063450U Novel automatic pencil sharpener |
| 07/17/2013 | CN203063426U Scale with pencil sharpeners |
| 07/11/2013 | US20130174429 Dual Drive Pencil Sharpener |
| 07/10/2013 | DE202012009430U1 Lochverschluss Hole closure |
| 07/10/2013 | CN203046658U Pencil sharpener |
| 07/10/2013 | CN203046657U Electric pencil sharpener |
| 07/10/2013 | CN203046656U Pencil sharpener with high capacity |
| 07/10/2013 | CN203046655U Power-driven magic cube pencil sharpener |
| 07/10/2013 | CN203046654U Pencil sander |
| 07/10/2013 | CN203046653U Tumbler-type pencil sharpener |
| 07/10/2013 | CN203046652U Multifunctional pencil sharpener |
| 07/10/2013 | CN103192642A Chopping and grinding dual-purpose pencil sharpener |
| 07/10/2013 | CN103192641A Electric pencil sharpener |
| 07/03/2013 | CN203032241U Equidirectional dual-blade pencil sharpener |
| 07/03/2013 | CN203032240U Multi-functional hand-operated pencil sharpener |
| 07/03/2013 | CN203032239U Pencil lead grinder |
| 07/03/2013 | CN203032238U 电动铅笔刀 Electric pencil sharpeners |
| 07/03/2013 | CN203032161U Telescopic pen cap |
| 06/2013 | |
| 06/26/2013 | CN203019929U Multifunctional pencil sharpener box for students |
| 06/26/2013 | CN203019928U Pencil sharpener with eraser and hairbrush |
| 06/26/2013 | CN203019927U Pencil sharpener capable of sharpening out special handwriting |
| 06/26/2013 | CN203019926U Electric pencil sharpener |
| 06/19/2013 | EP2604443A2 Pencil sharpener |
| 06/19/2013 | CN203004871U Multi-blade pencil sharpener |
| 06/19/2013 | CN203004870U Different-direction double-blade pencil knife |
| 06/19/2013 | CN203004869U Automatic pencil sharpener |
| 06/19/2013 | CN203004868U Convenient pencil sharpener |
| 06/19/2013 | CN203004867U Panda head pencil sharpener |
| 06/19/2013 | CN203004866U Electric pen sharpener |
| 06/19/2013 | CN203004865U Portable pencil sharpener |
| 06/19/2013 | CN203004864U Multifunctional pencil sharpener |
| 06/19/2013 | CN203004863U Automatic pencil sharpening device |
| 06/19/2013 | CN101973177B Pencil sharpener for flat pencil point |
| 06/13/2013 | US20130147104 Pencil sharpener |
| 06/12/2013 | CN202986569U Pencil sharpener |
| 06/12/2013 | CN202986568U Multifunctional pencil sharpener |
| 06/12/2013 | CN202986567U Pencil sharpener |
| 06/11/2013 | US8459317 Hand-cranked pencil sharpeners |
| 06/05/2013 | CN202965732U Pencil sharpener with pencil cap |
| 06/05/2013 | CN202965731U Pencil sharpener |
| 06/05/2013 | CN202965730U Main machine body protecting device for rocking handle type stationery machine |
| 06/05/2013 | CN103129275A Pencil sharpener with eraser |
| 06/05/2013 | CN103129274A Portable pencil sharpener |
| 06/05/2013 | CN103129273A Pencil sharpener |
| 06/05/2013 | CN103129272A Pencil planing device capable of conveniently rubbing black lead |
| 05/2013 | |
| 05/29/2013 | CN202952744U Pencil container provided with pencil sharpener |
| 05/29/2013 | CN103121358A Pencil roll cutting device |
| 05/22/2013 | CN202944104U Pencil sharpener for preventing pencil lead from being broken |
| 05/15/2013 | CN202935053U Pencil sharpener with double blades in opposite directions |
| 05/15/2013 | CN202935052U Pencil grooving device |
| 05/15/2013 | CN202935051U Knife with use comfort |
| 05/15/2013 | CN103101374A Single-hole double-cutting-edge skew-symmetric pencil-lead-unbroken pencil sharpener |
| 05/15/2013 | CN102267324B Sharpener |
| 05/08/2013 | CN202923238U Pop can pencil sharpener |
| 05/08/2013 | CN202923237U Pencil sharpener with filtering function |
| 05/08/2013 | CN103085553A Different-direction double-blade pencil knife |
| 05/08/2013 | CN103085552A Multi-blade pencil sharpener |
| 04/2013 | |
| 04/24/2013 | CN202896100U Pencil sharpener |
| 04/24/2013 | CN202896099U Double holes motor-driven pencil-sharpening machine with moving picture experts group audio layer-3 (MP3) player |
| 04/24/2013 | CN202896098U Pencil sharpener |
| 04/24/2013 | CN103057324A Dual-purpose pencil knife for cutting and grinding |
| 04/17/2013 | CN202879079U Pencil sharpener pushing mechanism in pencil sharpening device |
| 04/17/2013 | CN202879078U Pencil locking mechanism of pencil sharpener |
| 04/17/2013 | CN202879077U Automatic homing mechanism of pencil sharpener |
| 04/17/2013 | CN202879076U Pencil sharpener |
| 04/17/2013 | CN202879075U Anti-reversing mechanism in pencil sharpening device |
| 04/17/2013 | CN202879074U Fast sharpening mechanism of pencil sharpener |
| 04/17/2013 | CN202879073U Concentric mechanism of pencil sharpener |
| 04/17/2013 | CN202879072U Pencil sharpener |
| 04/10/2013 | CN202862957U Pen planer |
| 04/10/2013 | CN202862956U Pencil sharpener with spare blades |
| 04/10/2013 | CN202862955U Manually operated pencil sharpener |
| 04/10/2013 | CN202862954U Pencil knife special for exam |
| 04/10/2013 | CN202862953U Pencil-sharpening planing tool |
| 04/03/2013 | CN202847267U Multi-hole pencil sharpener |
| 04/03/2013 | CN202847266U Motor fixing mechanism of electric pencil sharpener |
| 04/03/2013 | CN202847265U Cutter frame structure of electric pencil sharpener |
| 04/03/2013 | CN202847264U Electric pencil sharpener |
| 04/03/2013 | CN202847214U Pen cap with pencil sharpener |
| 03/2013 | |
| 03/27/2013 | CN202826902U Sharpener of special pencil for sketch |
| 03/27/2013 | CN202826901U Automatic pencil sharpener for multiple types of pencil heads |
| 03/27/2013 | CN102991233A Discordant dual-blade pencil sharpener |
| 03/27/2013 | CN102991232A Pencil sharpener |
| 03/20/2013 | CN202806105U Rotary table used for pencil sharpening machine pen feeding device |
| 03/20/2013 | CN202806104U Pencil sharpener |
| 03/20/2013 | CN202806103U Pencil sharpener with automatic prompting function |
| 03/20/2013 | CN202806102U 电动笔刨 Electric Sharpener |
| 03/20/2013 | CN202806101U Dual purpose pencil sharpener |
| 03/20/2013 | CN102975537A Pencil sharpening method and pencil sharpener |
| 03/18/2013 | DE202011109126U1 Stiftspitzer Pencil sharpener |
| 03/13/2013 | CN202782400U Pencil sharpener with double cutters |
| 03/13/2013 | CN202782399U Pencil sharpener |
| 03/13/2013 | CN202782398U Knife convenient to sharpen pencil lead |
| 03/13/2013 | CN202782397U Ruler knife |
| 03/13/2013 | CN102963195A Equidirectional dual-blade pencil sharpener |
| 03/13/2013 | CN102963194A Pencil sharpening cutter propulsion mechanism in pencil sharpener |