| Patents for B43L 23 - Sharpeners for pencils or leads (1,940) | |
|---|---|
| 04/2014 | |
| 04/16/2014 | CN203543468U Pencil sharpener with single knife blade |
| 04/16/2014 | CN203543467U Pencil feeding device for pencil sharpening device |
| 04/16/2014 | CN203538579U Portable learning box |
| 04/09/2014 | EP2716469A1 Hole closure |
| 04/09/2014 | CN203528158U Pencil sharpener |
| 04/09/2014 | CN203528157U Pencil sharpener |
| 04/09/2014 | CN203525799U Paper shredder with pencil sharpening function |
| 04/03/2014 | US20140090258 Hole closure device |
| 04/02/2014 | CN203511088U Automatic pencil sharpening device |
| 04/02/2014 | CN203511073U Pencil-lead-pared type compasses |
| 04/02/2014 | CN103692832A Pencil sharpener |
| 04/02/2014 | CN103692831A Safe double-edge pencil sharpener |
| 03/2014 | |
| 03/26/2014 | CN103660739A Pencil sharpener |
| 03/26/2014 | CN103660738A Full-automatic electric pencil sharpener |
| 03/26/2014 | CN103660737A Novel pencil sharpening tool |
| 03/20/2014 | US20140075681 Pencil Sharpener |
| 03/19/2014 | CN103640378A Solar charged pencil knife |
| 03/19/2014 | CN103640377A Drawing pencil sharpening device |
| 03/12/2014 | CN203472371U Combined type pencil sharpener |
| 03/12/2014 | CN203472370U Pencil sharpener |
| 03/06/2014 | US20140064819 Pencil |
| 03/05/2014 | CN203460595U Pen holder with pencil sharpener |
| 03/05/2014 | CN203460594U Automatic pencil sharpener |
| 02/2014 | |
| 02/26/2014 | CN203449822U Electric planing knife |
| 02/26/2014 | CN203449821U Pencil sharpener |
| 02/26/2014 | CN203449820U Self-suction type clamping mechanism |
| 02/26/2014 | CN203449819U Sharpening device of automatic pencil sharpener |
| 02/25/2014 | US8656600 Pencil sharpener configured to work with a power drill |
| 02/19/2014 | CN203435849U Energy-saving, simple, convenient and multifunctional stationery box button |
| 02/19/2014 | CN103587307A Adjustable pencil sharpener |
| 02/05/2014 | CN203418907U Automatic pencil feeding device of pencil sharpener |
| 02/05/2014 | CN203418906U Labor-saving pencil sharpener with horizontal rotating rocking handle |
| 02/05/2014 | CN203418905U Hand-cranking pencil sharpening device with labor-saving device of internal meshing gear structure |
| 01/2014 | |
| 01/29/2014 | CN203410214U Electric pencil sharpener using solar power as power supply |
| 01/22/2014 | CN203401849U Energy-saving pen container type pencil sharpener |
| 01/22/2014 | CN203401848U Pencil sharpener with turn button cover |
| 01/21/2014 | DE202013010941U1 Diamantschleifplatte zum Anspitzen von Bleistiftminen Diamond grinding disc for sharpening of pencil leads |
| 01/15/2014 | CN103507522A Pencil scrap collecting device |
| 01/08/2014 | CN203381406U Multifunctional pencil sharpener |
| 01/08/2014 | CN103496271A Rectangle pencil point pencil sharpener |
| 01/02/2014 | US20140000119 Adjustable pencil sharpener |
| 01/01/2014 | EP2679401A1 Adjustable pencil sharpener |
| 12/2013 | |
| 12/25/2013 | CN203358147U Pencil sharpener with offset cutting edge |
| 12/25/2013 | CN203358146U Pencil sharpener |
| 12/25/2013 | CN203358145U Pencil feeding device of pencil-sharpening machine |
| 12/25/2013 | CN103465700A Electric planing knife |
| 12/19/2013 | WO2013187456A1 Pencil sharpener |
| 12/18/2013 | CN203344585U Electric pencil knife |
| 12/18/2013 | CN203344584U Round environment-friendly pencil sharpener |
| 12/18/2013 | CN203344583U Sharpener with adjustable blade |
| 12/11/2013 | CN203331660U Labor-saving type pencil sharpener for students |
| 12/11/2013 | CN203331659U Automatic arranging type pencil feeding device of pencil sharpener |
| 12/11/2013 | CN103433101A Paper shredder with pencil sharpening function |
| 12/04/2013 | CN203317980U Pencil sharpener |
| 12/04/2013 | CN103419536A Multifunctional pencil knife |
| 11/2013 | |
| 11/13/2013 | CN203282925U Pencil sharpener with penholder |
| 11/13/2013 | CN103386850A Electric pencil sharpening machine capable of changing cutters |
| 11/06/2013 | CN203267602U Pen container provided with pencil sharpener |
| 11/06/2013 | CN203267596U 卷笔刀 Pencil sharpener |
| 11/06/2013 | CN203267595U Dustproof durable electronic pencil sharpener |
| 10/2013 | |
| 10/30/2013 | CN203254844U Pencil lead grinding device of electric pencil sharpener |
| 10/23/2013 | CN203246236U Pencil sharpener with small alarm clock |
| 10/23/2013 | CN203246235U 一种削铅笔刀 One kind of pencil sharpener |
| 10/23/2013 | CN203246234U 削笔器 Pencil sharpener |
| 10/23/2013 | CN103358782A Dual-purpose pencil sharpener |
| 10/16/2013 | CN203236927U Pencil knife with clockwork button |
| 10/10/2013 | US20130263971 Electric pencil sharpener with auto-stop feature |
| 10/03/2013 | US20130255835 Automatic pencil-feeding device for pencil sharpener |
| 10/02/2013 | CN203221805U Clip-type angle-variable pencil sharpener |
| 10/02/2013 | CN203221804U 卷笔刀 Pencil sharpener |
| 10/02/2013 | CN203221803U Pencil sharpener suitable for pencils with different sizes |
| 10/02/2013 | CN103332050A Duplex pencil sharpener |
| 10/02/2013 | CN103332049A Electric pencil sharpener using solar power generation as power supply |
| 09/2013 | |
| 09/25/2013 | CN203210963U Multifunctional pencil sharpening device |
| 09/18/2013 | CN203197878U Telescopic pencil sharpening machine rocking handle |
| 09/11/2013 | CN203185944U Pencil sharpening device |
| 09/04/2013 | CN203172308U 卷笔刀 Pencil sharpener |
| 09/04/2013 | CN203172307U 卷笔刀 Pencil sharpener |
| 09/04/2013 | CN203172306U 卷笔刀 Pencil sharpener |
| 09/04/2013 | CN203172270U 组合式绘图尺 Combined drawing ruler |
| 08/2013 | |
| 08/28/2013 | CN203157528U Convenient pencil sharpener |
| 08/28/2013 | CN203157527U Electric pencil sharpener |
| 08/28/2013 | CN203157526U Special multifunctional pencil sharpener for drawing |
| 08/28/2013 | CN203157525U Multifunctional pencil sharpener |
| 08/21/2013 | CN203142209U Pencil sharpening box |
| 08/21/2013 | CN203142208U Pencil sharpener with erasers |
| 08/21/2013 | CN203142207U Pencil sharpener |
| 08/21/2013 | CN203142206U Pencil sharpener |
| 08/21/2013 | CN203142205U Multifunctional pencil sharpener |
| 08/21/2013 | CN103253048A Pencil sharpener |
| 08/13/2013 | US8505596 Cutter assembly for an electric pencil sharpener |
| 08/07/2013 | CN203110729U Pencil sharpener |
| 08/07/2013 | CN203110728U Multifunctional pencil sharpener |
| 08/07/2013 | CN203109971U Dual-use pencil sharpener |
| 08/07/2013 | CN103231613A Rotating pen container |
| 07/2013 | |
| 07/31/2013 | CN203093550U Multifunctional electric pencil sharpener |
| 07/31/2013 | CN203093549U Multi-functional pencil sharpener |
| 07/31/2013 | CN203093548U Planning type pencil sharpener |
| 07/25/2013 | US20130186517 Electric pencil sharpener with a replaceable cutter assembly |
| 07/24/2013 | EP2617581A1 Electric pencil sharpener with a replaceable cutter assembly |