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)
03/2013
03/20/2013CN202806034U Chalk clip
03/20/2013CN202806031U 笔套 Cap of a pen
03/20/2013CN102975523A Chalk sleeve
03/13/2013CN202782329U Medical body temperature drawing pen
03/13/2013CN102963160A Automatic pen capable of opening and closing refill protecting device without action
03/12/2013US8393814 Retractable instrument having a two stage protraction/retraction sequence
03/06/2013EP2563603A1 Improved expandable writing instrument
03/06/2013CN202764508U Telescopic double-head highlighter
03/06/2013CN101920617B Dustless chalk sleeve
02/2013
02/27/2013CN202753636U Double-end ballpoint pen
02/27/2013CN102947104A Improved expandable writing instrument
02/27/2013CN102941757A 按动式笔 Push-style pen
02/20/2013CN202742874U Automatic chalk
02/20/2013CN202742873U Automatic chalk
02/13/2013CN202727717U Pen used to color card
02/13/2013CN202727703U Double-head chalk sleeve
02/13/2013CN202727702U Portable chalk pusher
02/13/2013CN102922902A Environment-friendly anti-breaking pencil sleeve
02/12/2013US8373682 Stylus having retracted and extended positions
02/07/2013DE102011052331A1 Writing device has cartridge that is pressed on writing pad or moved back into housing when trigger mechanism is pressed or when high clamping force of one or more fingers on triggering mechanism is released
02/06/2013CN202716603U Chalk case
01/2013
01/31/2013WO2013013673A1 Writing implement for an exchangeable writing insert
01/30/2013CN202702972U Adjustable chalk cap
01/30/2013CN202702971U Multifunctional chalk
01/30/2013CN202702970U Telescopic chalk sleeve
01/30/2013CN202702969U Chalk end utilizing unit
01/30/2013CN202702968U Rotary type chalk sleeve
01/30/2013CN202702957U Pen holder
01/23/2013CN202685641U Pen special for examinations
01/23/2013CN202685632U Pencil booster
01/17/2013WO2013009101A2 Button type sign pen
01/16/2013CN202669272U Automatic chalk
01/09/2013CN202656694U Telescopic pen
01/09/2013CN202656688U Chalk sleeve for teaching
01/09/2013CN202656683U Chalk cover
01/09/2013CN102862420A Adjustable type chalk sleeve
01/08/2013US8348536 Rotary-type retractable writing implement with an anti-drying device
01/08/2013CA2575355C Mechanism for a writing instrument, writing instrument comprising one such mechanism, and production method
01/02/2013CN202641103U Chalk writing isolation sleeve for teaching
01/02/2013CN102848803A Slidable type pen
12/2012
12/27/2012US20120328352 Retractable instrument having a two stage protraction/retraction sequence
12/26/2012CN202623647U Dual-purpose pen
12/26/2012CN202623646U 橡胶铅笔 Rubber pencil
12/26/2012CN202623642U Novel chalk writing device
12/20/2012WO2011136873A9 Improved expandable writing instrument
12/19/2012CN202608327U Soundless automatic pen
12/19/2012CN202608323U Chalk sleeve
12/19/2012CN202608322U Chalk clamp holder for English teaching
12/19/2012CN202608321U Chalk sleeve
12/19/2012CN102825946A Chalk with telescopic chalk sleeve
12/18/2012CA2556977C Mechanism for writing instrument and writing instrument comprising same
12/13/2012US20120315074 Multi-Function Writing Instrument with Propulsion Mechanism
12/12/2012EP2532531A1 Writing tool
12/12/2012CN202593050U Multifunctional press type touch-control ball-point pen
12/12/2012CN202593037U Ballpoint pen with pen point capable of being prevented being broken
12/12/2012CN202593036U Rotary type colored drawing pen
12/12/2012CN202593032U A chalk jacket
12/12/2012CN102821972A Ballpoint pen
12/06/2012US20120308290 Writing instrument
12/05/2012EP2528749A1 Writing instrument having a grip piece
12/05/2012DE202012010657U1 Schreibgerät mit auswechselbarer Schreibmine Pen with replaceable writing cartridge
12/05/2012CN202573426U Anti-breaking clean chalk sleeve
12/05/2012CN202573424U Multifunctional automatic dustless chalk
12/05/2012CN202573422U Chalk sleeve
12/05/2012CN202573420U Chalk assist device
12/05/2012CN202573396U Anti-fall pen
11/2012
11/28/2012CN202557029U Convenient pen
11/28/2012CN202557014U Simple chalk device
11/28/2012CN202557013U A magnetic chalk sheath
11/28/2012CN202557012U Simple chalk auxiliary writing device
11/22/2012DE102011101917A1 Pen, has lead for writing, painting and/or drawing on working end, and another working end for actuating touch-sensitive picture screen i.e. phone, by contacting process, where working ends are arranged are opposite each other
11/21/2012CN202541062U Press-type writing tool with safe pen clip
11/21/2012CN202541055U Dustproof chalk cap with blackboard eraser
11/20/2012US8313262 Device for packaging and delivering a stick of product, notably a cosmetic product
11/14/2012CN202528656U Improved chalk writer
11/14/2012CN202528654U Convenient chalk sleeve
11/14/2012CN102774175A Pencil roll booster
11/07/2012DE202012009918U1 Schreibgerätmechanik Writing Instrument Mechanics
11/07/2012CN202517911U Convenient core-replacing pen
11/07/2012CN202517901U Length-adjustable chalk sleeve
11/07/2012CN202517898U Full-automatic safe pencil
11/07/2012CN102765279A Tracking, pressure-regulating and marking pen box
10/2012
10/31/2012CN202507748U Rubber top core
10/31/2012CN102756588A Chalk cap
10/25/2012DE102011018178A1 Ink-fed pen holder combination has writing instrument, pen with spring carrier and ink reservoir, where two recording pens are placed in fixed position in writing instrument by common spring carrier or by two independent spring carriers
10/24/2012CN202498877U Gel-ink pen
10/24/2012CN202498876U Adjustable pen tube
10/24/2012CN202498875U Chalk sleeve
10/23/2012US8292530 Knock type writing instrument
10/23/2012US8292529 Dispenser and method for dispensing fluids
10/17/2012CN202491566U Chalk head
10/17/2012CN102741061A Writing tool
10/16/2012US8287201 Telescopic container for a pasty or liquid cosmetic product
10/16/2012US8287199 Container for a pasty or liquid cosmetic product with retractable application member
10/10/2012CN202480628U Pen suitable for pen refills of different lengths
10/10/2012CN202480622U Chalk end recycling pen tube
10/10/2012CN202480621U Chalk sleeve
10/10/2012CN202480619U Novel pen cap
10/10/2012CN202480609U Aluminum-rod triangular pen
10/03/2012CN202463276U Multipurpose pen
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