Patents
Sitemap › B43 - Writing or drawing implements; Bureau accessories › B43K - Implements for writing or drawing › B43K 24 - Mechanisms for selecting, projecting, retracting or locking writing units
Patents for B43K 24 - Mechanisms for selecting, projecting, retracting or locking writing units (2,268)
10/2012
10/03/2012CN202463272U Special pencil for CET4 and CET6 examination
10/03/2012CN202463267U Chalk holder
10/03/2012CN202463266U Chalk sleeve
10/03/2012CN202463262U Chalk holder
10/03/2012CN102712208A Writing instrument having a grip piece
10/03/2012CN102708725A Laser torch with chalk jacket
10/03/2012CN102700302A Chalk outer sleeve
09/2012
09/26/2012CN202448560U Ball pen tube with chutes
09/26/2012CN202448558U Telescopic chalk case
09/19/2012CN202439403U Needle-tube type dustproof chalk sleeve
09/19/2012CN202439392U Random pen
09/19/2012CN102673249A Chalk clamp
09/13/2012DE102011002002B4 Drehvorrichtung für Schreibgeräte Rotation device for writing instruments
09/13/2012DE102009043952B4 Schreibgerät mit einsehbaren Fenstern zur Anzeige eines zufällig ausgewählten Motivs Pen with visible windows to display a randomly selected subject
09/12/2012EP2497648A1 Mechanical writing instrument
09/12/2012CN202428906U Intelligent writing pen
09/12/2012CN202428894U Chalk jacket
09/12/2012CN202428893U Retractable chalk sleeve
09/11/2012US8262304 Highlighter and pen combination
09/05/2012CN202413066U Multifunctional pen
09/05/2012CN202413064U Bead bumping pen
09/05/2012CN202413063U Automatically retractable carbon pen
09/05/2012CN202413055U Pencil stub collector
09/05/2012CN202413053U Spiral chalk sleeve
09/05/2012CN202413052U Chalk with automatic core replacement function
09/05/2012CN202413050U Simple chalk sleeve
09/05/2012CN202413049U Finger-saving chalks
09/05/2012CN202413048U Rotary chalk sleeve
09/05/2012CN202413047U Novel chalk sleeve
09/05/2012CN202413041U Recyclable pencil holder
09/05/2012CN202413037U Telescopic chalk
08/2012
08/29/2012CN202399721U Multifunctional pen with axis adjustable nib
08/29/2012CN202399720U Multifunctional pen capable of adjusting pen head
08/29/2012CN202399712U Chalk head holder
08/29/2012CN202399710U Chalk sleeve
08/29/2012CN202399704U Chalk with protection sleeve
08/29/2012CN101484326B Writing instrument with cushioning device
08/22/2012CN202389011U Silent ball-point pen
08/22/2012CN202389010U Special chalk vase
08/20/2012DE202011103177U1 Stift Pin
08/16/2012US20120207529 Pivotal manipulation type writing instrument
08/15/2012EP2487046A1 Pivotal Manipulation Type Writing Instrument
08/15/2012CN202378498U Chalk clip
08/15/2012CN202378495U Chalk writing aid for teaching
08/15/2012CN202378483U Improved telescopic pen
08/15/2012CN102632746A Automatic chalk
08/08/2012CN202368126U Pen tool capable of replacing writing pen cores
08/08/2012CN202368124U Double-headed pen
08/08/2012CN202368116U Color pen sleeved with protecting jacket and capable of sliding a pen holder
08/01/2012CN202357673U Portable type pen
08/01/2012CN202357672U Automatically-rotary marking pen
07/2012
07/31/2012US8231296 Mechanism for a writing implement, a writing implement including such a mechanism, and a method of manufacture
07/31/2012US8231295 Toggling cosmetic lacquer dispenser and delivery
07/25/2012CN202345111U Expander for chalks and pencils
07/25/2012CN202345108U Pen with solid transparent refill
07/25/2012CN102602197A Environment-friendly non-sharpening break-proof pencil cover
07/19/2012WO2012095787A1 Rotary device for a writing apparatus
07/18/2012EP2013032B1 Slide type writing tools having device for preventing dryness
07/18/2012CN202337114U 一种新型圆珠笔 A new ballpoint pen
07/18/2012CN202337112U 一种省力伸缩笔 One kind of labor-saving retractable pen
07/17/2012US8221012 Retractable instruments comprising a one-piece valve door actuating assembly
07/12/2012DE102011002002A1 Drehvorrichtung für Schreibgeräte Rotation device for writing instruments
07/11/2012CN202319474U 多功能笔 Multi-function pen
07/11/2012CN202319433U 扣合式自动弹出粉笔套 Buckled automatically pop chalk sets
07/11/2012CN202319421U 粉笔套 Chalk sets
07/11/2012CN202319412U 一种旋出式粉笔 One kind of spin-up chalk
07/11/2012CN102555606A Chalk cover
07/11/2012CN102555605A Convenient chalk sleeve
07/11/2012CN102555604A Chalk sleeve
07/10/2012US8215857 Retractable substance dispenser
07/04/2012CN202293829U 粉笔书写器 Chalk Writer
07/04/2012CN202293828U 粉笔头再用套 Chalk and then sets
07/04/2012CN102529510A Intelligent writing pen
07/04/2012CN102529509A Writting tool
07/04/2012CN102529508A Chalk sleeve
06/2012
06/27/2012EP2467267A1 Switching mechanism for a writing instrument
06/21/2012US20120153541 Mechanism for a writing implement, a writing implement including such a mechanism, and a method of manufacture
06/13/2012CN202271709U 多功能新型粉笔套 The new multifunction chalk sets
06/13/2012CN202271708U 一种笔及其笔套 One kind of pen and pen
06/12/2012CA2519530C Writing instrument with cushioning element
06/06/2012CN202264531U 一种环保木质笔 An environmentally friendly wooden pen
05/2012
05/30/2012EP1704063B1 Advancing/retracting mechanism
05/30/2012CN202242516U Pressing type pen with storage
05/30/2012CN202242509U Convenient sign pen
05/30/2012CN202242497U Multifunctional chalk pen
05/30/2012CN202242495U Device capable of freely adjusting chalk length
05/30/2012CN202242494U Chalk end clip
05/30/2012CN202242487U Packing type chalk
05/30/2012CN102476532A 方便笔 Convenient pen
05/30/2012CN101970248B Writing instrument with eraser protected by a sleeve
05/23/2012CN202225598U Multifunctional rotary chalk sleeve with miniature blackboard eraser
05/23/2012CN202225593U Chalk dust-proof sleeve in writing
05/23/2012CN102463783A 粉笔套 Chalk sets
05/23/2012CN101175644B Retractable writing utensil having an airtight valve
05/16/2012CN102458874A 具有磁性斥力的书写工具 Writing instruments with magnetic repulsion
05/16/2012CN102452251A Chalk using device
05/16/2012CN102452250A Dust-proof device for chalk
05/09/2012CN202213371U A chalk sleeve
05/09/2012CN202213370U 粉笔套 Chalk sets
05/09/2012CN102442109A Lead self-cutting pencil
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