| Patents for B43K 24 - Mechanisms for selecting, projecting, retracting or locking writing units (2,268) |
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| 03/03/2015 | US8970560 Writing instrument |
| 02/19/2015 | US20150050062 Writing instrument having a protective element for the retractable tip |
| 02/12/2015 | US20150043957 Writing instrument having a movable protective sleeve |
| 02/12/2015 | US20150043956 Lead holder having a slidable push member |
| 02/05/2015 | US20150033499 Erasing implement and writing implement provided with erasing implement |
| 02/04/2015 | CN204136626U 组合式铅笔 Combined pencil |
| 02/04/2015 | CN204136613U 抗压自动笔模组 Automatic pen compression module |
| 01/28/2015 | EP2828098A1 Writing instrument having a movable protective sleeve |
| 01/26/2015 | DE202014006960U1 Ein Stift der auf Berührung (Kapazitive Oberfläche) seine Schreiber-Mine ausfährt A pin on the touch (capacitive surface) extends his scribes Mine |
| 01/21/2015 | EP2826637A1 Stick-shaped material propelling container |
| 01/14/2015 | CN104284782A 具有可移动保护套的书写工具 Writing instruments have a removable protective cover |
| 01/14/2015 | CN104275966A 一种笔 One kind of pen |
| 01/09/2015 | DE202013008272U1 Stift zum Auftragen eines Mediums Pin for applying a medium |
| 01/08/2015 | DE102010007024B4 Schreibgerät mit einem Griffstück Writing instrument with a handle |
| 01/07/2015 | CN204077144U 一种拨动笔 One kind of struck pen |
| 01/01/2015 | US20150003888 Coupler sleeve for pen and pen using the same |
| 01/01/2015 | US20150003887 Upper pen tube structure for pen |
| 12/31/2014 | CN204055043U 一种按压式活动笔的按压结构 A push-push structure activity pen |
| 12/31/2014 | CN204055042U 一种弹簧拔笔 One kind of spring pull pen |
| 12/31/2014 | CN102209641B 笔尖可伸缩的书写工具 Retractable writing implement tip |
| 12/25/2014 | US20140376987 Retractable tip writing instrument with a protective sleeve |
| 12/24/2014 | CN204037147U 一种自动锁死的圆珠笔 An automatic lock pen |
| 12/24/2014 | CN104245348A 带有保护套管的尖端可伸缩的书写工具 Tip with a protective sleeve retractable writing instruments |
| 12/24/2014 | CN104228404A 标记工具 Marking tool |
| 12/24/2014 | CN104228403A 一种按压式出子弹头铅芯的免削铅笔 A push type of bullet pencil Lead-free |
| 12/18/2014 | US20140369735 Marking implement |
| 12/17/2014 | CN204020304U 新型中性笔 The new gel pen |
| 12/17/2014 | CN204020303U 一种弹性可伸缩杆 An elastic rod telescopic |
| 12/17/2014 | CN103552402B 多用组合笔 With a combination of multi-pen |
| 12/11/2014 | US20140362057 System and method for plotting the mark drawn on a writing medium |
| 12/10/2014 | CN203995251U 一种可提高笔芯利用率的自动铅笔 An automatic pencil refills can improve the utilization of |
| 12/10/2014 | CN203995250U 答题卡的自动填涂笔 Answer sheet automatic document Tiantu |
| 12/10/2014 | CN203995247U 一种无尘粉笔笔套 One kind of chalk pen |
| 12/10/2014 | CN203995239U 一种按压式出子弹头铅芯的免削铅笔 A push type of bullet pencil Lead-free |
| 12/10/2014 | CN203995236U 一种可伸缩的蜡笔 A scalable crayons |
| 12/10/2014 | CN104203591A 可伸缩尖端具有保护元件的书写工具 Retractable writing instrument tip has a protective element |
| 12/10/2014 | CN104191862A 笔 Pen |
| 12/09/2014 | US8905665 Retractable writing and erasing piece against sliding back |
| 12/02/2014 | US8899857 Pivotal manipulation type writing instrument |
| 10/14/2014 | US8860548 Methods and apparatus for art supply useage compliance |
| 10/09/2014 | DE102011056592B4 Flexibles Gehäuse insbesondere für Schreibgeräte und Verfahren zum Herstellen eines flexiblen Gehäuses A flexible housing in particular for writing instruments and methods for producing a flexible housing |
| 10/07/2014 | US8851774 Retractable-point writing implement |
| 09/18/2014 | US20140270894 Combination-type pen |
| 09/18/2014 | US20140270890 Telescoping chalk holder |
| 09/16/2014 | US8834051 Writing implement with simultaneous retractable ends |
| 09/11/2014 | US20140255079 Telescoping Writing Implement |
| 09/10/2014 | EP2774776A1 Improved expandable writing instrument |
| 08/14/2014 | DE102013002377A1 Kugelschreiber Pen |
| 08/06/2014 | EP2762327A1 Multi-pen |
| 08/06/2014 | CN103963515A 一种粉笔套 One kind of chalk sets |
| 08/06/2014 | CN102336090B 自动铅笔 Automatic Pencil |
| 08/05/2014 | US8797299 Stylus with extended and retracted states |
| 07/30/2014 | CN203739465U 一种挤压式涂鸦笔 An extrusion-style graffiti pen |
| 07/30/2014 | CN203739463U 自动铅笔 Automatic Pencil |
| 07/30/2014 | CN102963160B 一种无需动作打开和关闭笔芯保护装置的自动笔 A no-action opening and closing automatic pen refill protection devices |
| 07/23/2014 | CN203727037U 多合一自动笔 Multi-Card automatic pen |
| 07/23/2014 | CN103935157A 一种智能书写笔结构 An intelligent pen structure |
| 07/23/2014 | CN103935156A 防摔矫姿笔 DROP posture correction pen |
| 07/16/2014 | CN203713311U 一种圆珠笔笔芯卡套及圆珠笔笔筒 A ballpoint pen and ballpoint pen refill card sets |
| 07/02/2014 | CN203681056U 一种多功能粉笔套 A multifunctional chalk sets |
| 07/02/2014 | CN103895405A 粉笔夹持器 Chalk holder |
| 06/25/2014 | CN203666174U 改良式抗压笔 Modified compression pen |
| 06/25/2014 | CN103889732A 书写用具 Writing utensils |
| 06/25/2014 | CN103879188A 多芯铅笔 Multi-core pencil |
| 06/25/2014 | CN103879185A 带粉笔套的粉笔 With chalk chalk sets |
| 06/18/2014 | CN103862928A Environment-friendly chalk sleeve |
| 06/11/2014 | CN203637387U 自动铅笔 Automatic Pencil |
| 06/11/2014 | CN203637386U 粉笔套管 Chalk casing |
| 06/11/2014 | CN103847334A Adjustable ball-point pen |
| 06/11/2014 | CN103847328A Lipstick-type chalk |
| 06/05/2014 | WO2014083560A1 Weightless shaking retraction mechanism for a pen |
| 06/04/2014 | CN203623209U 一种自动收芯笔 An automatic closing Pencil |
| 06/04/2014 | CN203623208U 一种应用于自动伸缩笔工作的驱动装置 Applied to the work of automatic retractable pen drive |
| 05/28/2014 | CN203611594U 一种会计专用笔 A form of accounting special pen |
| 05/28/2014 | CN103826866A 复合式书写工具 Composite writing tools |
| 05/27/2014 | US8734040 Multi-function writing instrument with propulsion mechanism |
| 05/21/2014 | CN203600833U 笔芯伸缩控制结构的改良 Improved cartridge telescopic control structure |
| 05/21/2014 | CN103802542A 按压式书写笔 Push pen |
| 05/21/2014 | CN103802539A 环保隔离袋 Environmental isolated pocket |
| 05/20/2014 | US8727650 Retractable substance dispenser |
| 05/14/2014 | CN103786480A 自动铅笔 Automatic Pencil |
| 04/30/2014 | CN203567404U Pencil lengthening sleeve enabling pencil stump to be fully utilized |
| 04/30/2014 | CN103754020A Pen capable of preventing being opened by children |
| 04/30/2014 | CN103754019A Safety pen capable of preventing being opened by children |
| 04/30/2014 | CN103754018A Safety pen capable of preventing itself from being opened by children |
| 04/30/2014 | CN103754017A Pen capable of preventing itself from being opened by children |
| 04/30/2014 | CN103754015A Pen capable of preventing itself from being opened by children |
| 04/30/2014 | CN103754013A Pen capable of avoiding being opened by child |
| 04/30/2014 | CN103754012A Pen capable of preventing itself from being opened by children |
| 04/30/2014 | CN103754011A Pen capable of preventing itself from being opened by children |
| 04/30/2014 | CN103754009A Safety pen |
| 04/30/2014 | CN103754008A Safety pen capable of preventing children from uncapping |
| 04/30/2014 | CN103754007A Safety pen capable of preventing children from uncapping |
| 04/30/2014 | CN103754006A Automatic closing mark pen |
| 04/30/2014 | CN103754002A Pen capable of preventing children from uncapping |
| 04/23/2014 | CN203557884U Chalk box through which four-line lattice can be drawn in English teaching |
| 04/23/2014 | CN103738081A Pen which cannot be opened by child |
| 04/23/2014 | CN103738080A Child-resistant pen |
| 04/23/2014 | CN103738079A Pen incapable of being opened by child |
| 04/23/2014 | CN103738078A Safety pen |