Patents
Sitemap › B43 - Writing or drawing implements; Bureau accessories › B43L - Articles for writing or drawing upon; Accessories for writing or drawing › B43L 23 - Sharpeners for pencils or leads
Patents for B43L 23 - Sharpeners for pencils or leads (1,940)
03/2013
03/13/2013CN102963193A Self-returning mechanism in pencil sharpener
03/13/2013CN102963192A Anti-reversing mechanism in pencil sharpener
03/13/2013CN102963191A Quick sharpening mechanism in pencil sharpener
03/13/2013CN102963190A Concentric mechanism in pencil sharpener
03/13/2013CN102963189A Pencil sharpening machine
03/13/2013CN102963188A Pencil locking mechanism in pencil sharpener
02/2013
02/20/2013EP2559564A1 Electric pencil sharpener
02/20/2013CN202742922U Pencil sharpener with abrasion surface
02/20/2013CN202742921U 可调手动削笔器 Adjustable manual pencil sharpener
02/20/2013CN202742920U Convenient knife
02/20/2013CN102935782A Multifunctional cosmetic brush sharpener
02/13/2013CN202727775U Pencil sharpener capable of adjusting sharpness degree of pencil lead
02/13/2013CN202727774U Electric pencil sharpener
02/13/2013CN202727708U Pencil cap
02/13/2013CN102933402A 卷笔刀 Pencil sharpener
02/13/2013CN102922924A Pencil sharpener with filter function
02/13/2013CN102922923A Electric pencil sharpener
02/06/2013CN202716643U Integrated pencil cutting seat
02/06/2013CN202716642U Safe pencil sharpener device
01/2013
01/30/2013CN202703052U Automatic pencil sharpener
01/30/2013CN202703051U Pencil sharpener
01/30/2013CN202703050U Pencil cutting tool
01/23/2013CN202685706U Novel pencil sharpener
01/23/2013CN202685705U Automatic pencil sharpener
01/16/2013CN202669324U Engineering drawing rectangular pencil lead pencil sharpener
01/15/2013US8353323 Sharpener with autostop feature
01/02/2013CN202641194U Pen cap pencil sharpener
01/02/2013CN202641193U Device for grinding pencil lead
01/02/2013CN202641109U Pencil cap special for pencil
01/02/2013CN102848831A Pencil sharpener
01/02/2013CN102848830A Pencil knife
12/2012
12/26/2012CN202623741U Multifunctional automatic pencil sharpener
12/26/2012CN202623740U Simple sharpener
12/26/2012CN202623739U 2B pencil penknife
12/26/2012CN202623738U Hard-tipped calligraphy base plate
12/19/2012CN202608379U Electronic pencil sharpener
12/19/2012CN102825960A Pencil sharpener
12/12/2012CN202593115U Pencil sharpener without screw
12/12/2012CN102815153A Integrated pencil-sharpening base
12/12/2012CN102815152A Safe pencil sharpener device
12/05/2012CN202573550U Pencil sharpener with distorting mirror
12/05/2012CN202573549U Electric planing knife
12/05/2012CN202573548U Environmental-friendly pencil sharpener
12/05/2012CN202573547U Pencil sharpener
12/05/2012CN202573546U Pencil sharpener special for pencil for coating answer sheet
12/05/2012CN202573545U Grinding knife
12/05/2012CN202573544U Perfect pencil sharpener
11/2012
11/28/2012CN202557143U Pencil sharpener
11/28/2012CN202557142U Novel sanding pencil knife
11/21/2012CN202541147U Musical pencil sharpener
11/21/2012CN202541146U Rocking arm and pencil sharpener
11/21/2012CN102787781A Multifunctional office safe
11/14/2012CN202528721U Bottle cap type pencil sharpener
11/14/2012CN202528720U Pencil sharpener with pencil holder
11/14/2012CN202528719U Pencil shaving box
11/07/2012CN202517981U Clockwork spring type pencil sharpener
11/07/2012CN202517980U Pencil sharpener
11/07/2012CN202517979U Automatic pencil sharpener
10/2012
10/31/2012CN202507807U Novel pencil sharpener
10/31/2012CN202507806U Pencil sharpener frame
10/31/2012CN202507746U Pencil holder
10/31/2012CN202507745U Pencil sheath
10/24/2012CN202498920U New type pencil sharpener
10/17/2012CN202491617U Multifunctional pencil sharpener
10/10/2012CN202480715U Pencil sharpener
10/10/2012CN202480714U High-efficiency pencil sharpener
10/10/2012CN202480701U Mushroom-like rubber eraser
10/10/2012CN202480627U Pencil sharpener type cap
10/03/2012CN102700334A Pencil sharpener
09/2012
09/26/2012CN202448615U Embedded type pencil sharpener
09/20/2012US20120233867 Pencil sharpener with two blades
09/19/2012CN202439477U Pencil sharpener
09/19/2012CN202439476U Pencil sharpener for fine arts
09/19/2012CN202439475U Multifunctional pencil sharpener
09/19/2012CN202439474U Sharpener for carpenter pencil
09/19/2012CN202439473U Environment-friendly type pencil sharpener
09/19/2012CN202439472U Pencil sharpener
09/19/2012CN102673274A Pencil sharpener
09/12/2012CN202428948U Multifunctional pencil knife
09/05/2012CN202413207U Pencil sharpener
09/05/2012CN202413206U Extrusion type pencil sharpener
08/2012
08/29/2012CN202399787U Special pencil sharpener for sketch pencils
08/29/2012CN202399786U Four-drive pencil sharpener
08/29/2012CN202399785U Pencil sharpener
08/22/2012CN202389070U Pencil sharpener
08/15/2012CN202378582U Pencil sharpener convenient for sharpening lead
08/15/2012CN102632751A Reciprocating-type pencil sharpener
08/08/2012CN202368211U Pencil knife
08/08/2012CN202368210U Hand-operated power-generating luminous pencil sharpener
08/08/2012CN202368121U Pen connector with sharpener
08/02/2012US20120192995 Reciprocating pencil sharpener
08/01/2012EP2481607A1 Reciprocating pencil sharpener
08/01/2012CN202357743U Pencil sharpener with lamp
07/2012
07/25/2012CN202345213U Pencil sharpener with measuring tape
07/25/2012CN202345212U Safe and novel pencil sharpener
07/25/2012CN202345211U Pencil lead grinding device
07/24/2012US8225827 Sharpener with noise reducing features
07/24/2012US8225516 Pencil sharpening device
07/19/2012US20120183365 Power tool with integral pencil sharpener
07/18/2012CN202337154U 一种文具刀 One kind of stationery knife
1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 20