Patents
Sitemap › B43 - Writing or drawing implements; Bureau accessories › B43K - Implements for writing or drawing › B43K 21 - Propelling pencils
Patents for B43K 21 - Propelling pencils (2,215)
11/1998
11/25/1998CN2298136Y Pencil with container for delivering eraser
11/18/1998CN2297319Y Multifunctional pen with adjustable writing-core
11/18/1998CN2297318Y Multipurpose propelling pencil
11/17/1998US5836707 Side knock type mechanical pencil
11/11/1998CN2296818Y Pencil without sharpening
10/1998
10/27/1998US5827000 Writing instrument
10/27/1998US5826999 Mechanical pencil
10/21/1998CN2294851Y Combined pen
10/21/1998CN2294849Y Rotary-propelling thick-lead pencil
10/14/1998EP0869726A1 Refillable soft lead pencil
10/07/1998CN2293450Y Combining automatic pencil for drawing
09/1998
09/30/1998CN2292675Y Propelling pencil with thick writing-core
09/30/1998CN2292671Y Nib holder
09/30/1998CN1194212A Propelling pencil
09/16/1998CN2291306Y Writing-core replaceable pencil with gripper
09/16/1998CN2291305Y Propelling pencil
09/16/1998CN2291304Y Vision-protecting pencil
09/16/1998CN1192968A 笔具 Pen tool
09/09/1998EP0863023A2 Double-chuck mechanical pencil
09/09/1998CN2290474Y Propelling pencil with mobile lead head
09/08/1998US5803637 Stick-shaped material propelling container
09/02/1998CN2289690Y Propelling pencil with thick writing-core
09/02/1998CN2289689Y Propelling pencil with thick writing-core
09/02/1998CN2289688Y Slide-tooth propelling pencil
09/02/1998CN2289687Y Contact propelling pencil
09/02/1998CN2289686Y Propelling pencil with thick writing core
09/02/1998CN2289685Y Propelling pencil with thick writing-core
09/02/1998CN2289684Y Propelling pencil
08/1998
08/26/1998CN2288846Y 笔具 Pen tool
08/26/1998CN2288845Y Non-sharpening propelling pensil with writing core fed by screw
08/19/1998CN2288073Y Pencil without sharpening
08/19/1998CN2288072Y Propelling pencil
08/12/1998CN2287568Y Sharpening free pencil core
08/12/1998CN2287567Y Simple propelling pencil
08/11/1998US5791798 Multi-purpose writing instrument
08/11/1998US5791797 Side knock type mechanical pencil
08/06/1998WO1998033662A1 Retractable-lead mechanical pencil
07/1998
07/08/1998CN1038993C Mechanical pencil
07/01/1998EP0850784A2 Container with means for selectively extending and retracting a substantially stick-shaped object
07/01/1998CN2285207Y Push type prepelling pencil for card marking
06/1998
06/17/1998CN2284141Y Double-clamping propelling pencil
05/1998
05/13/1998CN2281274Y Mechanical pencil
04/1998
04/09/1998DE19744160A1 Propelling pencil with double clamping chuck and eraser
03/1998
03/31/1998US5733057 Slider for mechanical pencil
03/18/1998CN2276417Y Propelling pencil with spring core pipe
03/11/1998CN2275949Y Propelling pencil with writing-core saving device
03/03/1998US5722782 Wax pencil holding device
02/1998
02/12/1998WO1998005235A1 Refillable soft lead pencil
02/11/1998CN1172737A Pencil and its lead
02/05/1998DE19630906A1 Weichminenstift Soft lead pencil
02/04/1998WO1998013217A1 A propelling pencil
01/1998
01/21/1998EP0819551A1 Writing tool
01/21/1998CN2272813Y 铅笔 Pencil
01/14/1998CN2272370Y Propelling pencil with thick core
01/07/1998CN2271965Y Propelling pencil sleeve
01/07/1998CN1169698A Side-knock mechanical pencil
12/1997
12/30/1997US5702193 Side knock type mechanical pencil
12/23/1997US5700101 Writing tool
12/09/1997US5695834 Method for making liquid crystal-coated thermochromic writing instruments
11/1997
11/26/1997CN2268628Y Mechanic pencil
11/12/1997EP0806305A1 Side-knock mechanical pencil
11/05/1997EP0805052A1 Writing materials
11/05/1997CN2266515Y Left-hand ball pen
11/04/1997US5683191 For extending and retracting a stick-shaped object
10/1997
10/22/1997CN2265296Y Propelling pencil
10/22/1997CN1162534A 绘图铅笔 Drawing Pencil
10/15/1997CN2264664Y Pencil with stepwise feed of writing-core
10/15/1997CN2264663Y Propelling pencil with stepwise feed of writing-core
10/08/1997CN2264084Y Mobile pencil with rough head
10/08/1997CN2264083Y Mobile pencil with sleeve holder
10/01/1997CN2263586Y Writing pen with refill adjustable
09/1997
09/17/1997CN2262494Y 脉冲式活动铅笔 Pulse pencil
09/10/1997CN2261936Y Writing tool
09/03/1997CN2261343Y 自动铅笔 Automatic Pencil
09/02/1997US5662425 Stick-shaped material propelling container
09/02/1997US5662424 Mechanical pencil
08/1997
08/27/1997CN2260717Y Lead core capable of drawing three-fixed-width line and propelling pencil thereof
08/14/1997WO1997028971A1 Writing utensil
08/06/1997CN2258818Y Propelling pencil
07/1997
07/16/1997CN2257766Y Rotary propelling pencil
07/16/1997CN2257765Y Propelling pencil without breaking lead
07/02/1997CN1035313C Thick black lead propelling pencil capable of sharpening tip
06/1997
06/25/1997CN2256824Y Pen-type propelling pencil
06/18/1997CN2256377Y Durable type self-propelling pencil
06/18/1997CN1151942A Free lasting pencil
06/04/1997CN2255360Y Bullet of bullet-pen
05/1997
05/09/1997WO1997016320A1 Writing materials
05/07/1997CN2253699Y Double-clamp type propelling pencil
04/1997
04/30/1997CN2253295Y Sharpening-free pencil
04/23/1997CN2252708Y Adjustable propelling pencil
03/1997
03/26/1997CN2250260Y Semi-automatic propelling pencil with rectangle core
03/12/1997CN1145052A Writing instrument
03/06/1997WO1997007990A1 A lead auto-retreat device in mechanical pencil
02/1997
02/26/1997CN2248130Y Double-chuck propelling pencil
02/26/1997CN2248049Y Vision health pen
02/13/1997WO1997004968A1 Cap for writing instruments
02/12/1997CN2247102Y Multi-function pencil
02/05/1997CN2246586Y New propelling pencil
02/05/1997CN2246583Y Screw propelling pencil
02/05/1997CN1141853A Adjustable propelling pencil
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