Patents
Patents for B43K 24 - Mechanisms for selecting, projecting, retracting or locking writing units (2,268)
05/2011
05/05/2011US20110103875 Retractable push button pen
05/05/2011CA2773783A1 Universal pencil mechanism
05/04/2011CN102039750A Multifunctional chalk sleeve
05/03/2011US7934883 Writing instrument comprising a cartridge support
04/2011
04/27/2011CN201808310U Screw-in pen
04/27/2011CN201808308U Chalk supporting device
04/27/2011CN201808306U Chalk sheath
04/27/2011CN201808304U Propelling pencil with improved structure
04/27/2011CN201808303U Portable special pencil for fine arts
04/27/2011CN102029841A Telescopic pen
04/26/2011US7931416 Slide type writing tool having device for preventing dryness
04/26/2011US7931415 Knock-type writing instrument having a shock-relaxing device
04/20/2011CN201800367U Novel chalk device
04/20/2011CN101541559B Fixed-nib writing instrument with a protective retractible sleeve
04/13/2011CN201792620U Pen
04/13/2011CN201792606U Convenient, practical and finger-saving chalk
04/13/2011CN102009552A Colored movable pen
04/13/2011CN102009550A Pen for preventing short sight and correcting posture
04/13/2011CN101563237B Capless cosmetic applicator
04/06/2011CN201784300U Pen-shaped structure with scribbling core
04/06/2011CN201784296U Fall-proof ballpoint pen
03/2011
03/24/2011US20110070013 Stylized writing instrument
03/23/2011CN201769527U Rotary erasing multifunctional writing pen
03/23/2011CN201769516U Rotary marking pen
03/23/2011CN201769513U Novel chalk
03/23/2011CN201769512U Movable chalk with regulable and replaceable chalk core without polluting hands
03/23/2011CN201769504U Telescopic chalk
03/17/2011DE102009043952A1 Recording device for use with observable window for recording coincidentally selected motive, comprises housing, which is formed at window, and two control elements, which are attached at housing upper surface
03/16/2011CN201761191U Press pen without sound
03/16/2011CN201761190U Novel breaking-proof pen
03/16/2011CN101376312B Pressurized pen
03/10/2011US20110058888 Slide type writing tool preventing dryness
03/09/2011CN201755969U Ball pen with anti-slip refill
03/09/2011CN201755968U Gravity crash-proof pen
03/03/2011WO2011025047A1 Click type writing implement having shock-mitigating function
03/02/2011CN201752981U Wiping-writing dual-purpose chalk sleeve
03/02/2011CN201752980U Dustproof chalk sleeve
02/2011
02/23/2011CN101979252A Environmentally-friendly gliding pencil
02/16/2011CN201745296U Press type ball-point pen or gel-ink pen
02/16/2011CN201745295U Pen clamp fastening device
02/09/2011CN201736601U Multicolor pen
02/09/2011CN201736589U Chalk sleeve
02/09/2011CN201736588U Chalk cylinder
02/09/2011CN201736583U Illuminating pen for correcting gesture
02/09/2011CN101970248A Writing instrument with eraser protected by a sleeve
02/09/2011CN101500821B Slide type writing tool preventing dryness
02/08/2011US7883754 Casing for a writing instrument and method of manufacturing the same using dual injection molding
02/03/2011US20110027000 Writing instrument casing and methods of use
02/02/2011CN101961966A Handwriting pen with automatic nib protecting function
01/2011
01/26/2011EP2277715A1 Retractable writing instrument
01/26/2011CN201721185U Novel auto pen
01/26/2011CN201721180U Chalk holding device
01/26/2011CN1633370B Capless retractable sealed marking instrument
01/19/2011CN201712311U Hand-controlled automatic pen
01/12/2011CN201703093U Multipurpose dustproof chalk using tool
01/12/2011CN201703092U Color changing pen
01/12/2011CN201703089U Double-end multicore combination pen
01/12/2011CN201703088U Multi-color pen
01/12/2011CN201703081U Automatic pencil
01/12/2011CN201703073U Falling-preventing pen
12/2010
12/29/2010CN201685573U Pen core with adjustable length
12/23/2010WO2010104311A3 Writing implement with a retractable clip
12/22/2010CN201677617U 笔 Pen
12/22/2010CN101920617A Dustless chalk sleeve
12/16/2010US20100316429 damp telescopic tube and a damp writing pen
12/08/2010CN201665077U Pen
12/02/2010WO2010135907A1 Mechanical pen
12/02/2010WO2010135906A1 Mechanical pen
12/02/2010WO2010095845A3 Writing apparatus
12/01/2010CN201659776U Ball pen fixed by spring
12/01/2010CN101372189B Refill unit
11/2010
11/25/2010WO2010133800A1 Writing implement with magnetic repulsion
11/24/2010CN201646091U Dual-purpose pen with telescopic pen point
11/24/2010CN201646084U Chalk sleeve
11/24/2010CN201646081U Writing device utilizing chalk ends
11/24/2010CN201646068U Anti-fall pen
11/24/2010CN101890856A Myopia-preventing posture-correcting pen and refill thereof
11/18/2010DE102009019848A1 Writing implement i.e. fountain pen, has closing mechanism exhibiting closure part that is rotated from closed position into opened and/or released position by relative rotary part, and opening of chamber closed by closure part
11/17/2010CN201633369U Push type multifunctional ball-point pen
11/17/2010CN201633353U Pen
11/17/2010CN201633346U Novel chalk cover
11/17/2010CN101468570B Pen with double-telescopic pen core
11/10/2010CN201626198U Retractable chalk sleeve
11/10/2010CN201626197U 粉笔夹持装置 Chalk holding device
11/10/2010CN201626196U Chalk sleeve
11/10/2010CN101883687A Knock-type writing instrument with impact relaxing device
11/03/2010CN101239551B Slide type writing tool having device for preventing dryness
10/2010
10/20/2010CN201610001U 一种多用抗折笔套 A multi-pen with a flexural
10/13/2010CN201604409U 粉笔推进器 Chalk pusher
10/13/2010CN201604407U 节约粉笔的清洁粉笔套筒 Cleaning chalk chalk savings sleeve
10/13/2010CN201604401U 笔芯露出装置 Refill exposing device
10/06/2010EP2234818A2 Writing instrument with eraser protected by a sleeve
10/06/2010CN201597310U 多功能笔 Multifunction Pen
10/06/2010CN201597309U 防摔笔 DROP pen
10/06/2010CN201597305U 粉笔套 Chalk sets
10/06/2010CN201597301U 笔套 Cap of a pen
10/06/2010CN101850683A Pressed device
10/06/2010CN101850682A Anti-falling writing pen
09/2010
09/16/2010WO2010104311A2 Writing implement with a retractable clip
09/15/2010CN201580115U Sanitary chalk sleeve
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