B43L 11 - Non-circular-curve-drawing instruments

Patents for B43L 11 - Non-circular-curve-drawing instruments (856)
01/2008
01/09/2008	CN201002452Y Multi-functional elliptic plate
01/02/2008	CN200998965Y Calipers capable of drawing ellipse
12/2007
12/19/2007	CN200992078Y Ruler-type ellipsograph
12/05/2007	CN101081585A Ellipse ruler
11/2007
11/29/2007	DE202007011989U1 Ellipsenzirkel Trammel
11/07/2007	CN200970975Y Ellipse drawing instrument
11/07/2007	CN200970974Y Multipurpose compasses
08/2007
08/29/2007	CN200939774Y Integrated plotter having cone curve
08/15/2007	CN101016017A 柔性曲线尺 Flexible curve ruler
08/15/2007	CN101016016A 弹性曲线尺 Elastic curve ruler
07/2007
07/25/2007	CN2925918Y Elliptical compass
07/18/2007	CN2923366Y Ellipsograph instrument
06/2007
06/06/2007	CN2908188Y Teaching apparatus for drawing parabolic line
05/2007
05/30/2007	CN2905482Y Ellipse machine with obliquity adjusting function
05/30/2007	CN1970314A Ellipsograph
05/23/2007	CN1966283A Multipurpose ellipsograph
03/2007
03/21/2007	CN2880529Y 一种椭圆规 An Elliptical Regulation
03/21/2007	CN2880528Y Large dimensional profile profilograph
03/07/2007	CN2875839Y Teaching apparatus for drawing ellipse
03/07/2007	CN1923544A Involute drawing gauge
02/2007
02/28/2007	CN2873524Y Conic curve gange
02/13/2007	US7174645 Method for designing of aproximate elliptical structure and the same
01/2007
01/24/2007	CN2860868Y Compasses for drawing ellipse
01/04/2007	WO2006111854A3 Drawing instrument
10/2006
10/18/2006	CN2827752Y Two-used ellipsograph
10/18/2006	CN2827751Y Drawing instrument
10/18/2006	CN1847028A Swing arm type ellipsograph
10/04/2006	CN2822998Y 椭圆规 Oval Regulation
08/2006
08/02/2006	CN1810521A Large scale profilogram fixing plate
07/2006
07/25/2006	US7080459 Thread ruler and a multi-function drafting instrument
07/05/2006	CN2792812Y Compasses
06/2006
06/07/2006	CN2785875Y Conic gauge for teaching
05/2006
05/31/2006	CN2784205Y 椭圆规 Oval regulation
05/24/2006	CN2782420Y Ellipograph
05/24/2006	CN2782419Y Elliposgraph for teaching
05/24/2006	CN2782418Y Curve drawing instrument
04/2006
04/05/2006	CN2769083Y Practical ellipsograph
03/2006
03/29/2006	CN2767191Y Multifunctional calipers
03/22/2006	CN2765791Y Multifunctional ellipsograph
03/15/2006	CN2764633Y Ellipsograph
03/01/2006	CN2761432Y Tool for drawing oval
02/2006
02/08/2006	CN1240559C Circle sweeping circular-elliptic dual purpose compasses
01/2006
01/04/2006	CN2749697Y Ellipse drawing rule
01/04/2006	CN2749696Y Novel ellipsograph
01/03/2006	US6981328 Compass and ellipsograph for persons with manual limitations
11/2005
11/30/2005	CN2743145Y 摆臂式椭圆规 Arm type oval regulation
11/23/2005	CN2741789Y Multipurpose ellipsograph
11/16/2005	CN1227114C Involute molding device and molding method
10/2005
10/19/2005	CN2734509Y 椭圆尺 Oval foot
10/19/2005	CN2734508Y 椭圆规 Oval regulation
10/19/2005	CN1683169A Conical section gauge
09/2005
09/28/2005	CN1672959A Cylinder cross section gauge
08/2005
08/31/2005	CN2721412Y Ellipse compass
08/03/2005	CN2714336Y Dual-purpose tool as compasses and ellipsograph
07/2005
07/20/2005	CN1640685A Hyperbolic curve and parabolic curve marking gauge
06/2005
06/01/2005	CN2702863Y Archimedes spiral involute compasses
05/2005
05/11/2005	CN2698598Y An ellipsograph
05/04/2005	CN2696859Y Multi-function drawing instrument
04/2005
04/20/2005	CN2693490Y Parabola drawing instrument
04/13/2005	CN2691887Y Ellipsoid curve compasses
03/2005
03/09/2005	CN2683399Y Ellipsograph
02/2005
02/09/2005	CN2677190Y Vertical rail type ellipse gauge
02/09/2005	CN2677189Y Stereo writing pen
02/09/2005	CN2677187Y Dual-purpose compass for round and ellipse
01/2005
01/26/2005	CN2673668Y 椭圆规 Oval regulation
01/19/2005	CN1565862A Archimedes screw involute compasses
12/2004
12/29/2004	CN2666688Y Two-purpose instrument for drawing ellipse and circule
12/08/2004	CN2661454Y 椭圆规 Oval regulation
12/08/2004	CN2661453Y Hyperbola instrument
11/2004
11/30/2004	US6823596 Template and method for trisecting an angle
11/18/2004	US20040226180 Compass and ellipsograph for persons with manual limitations
11/10/2004	CN1544254A Circle sweeping circular-elliptic dual purpose compasses
11/03/2004	CN1541853A Adjusting forward and backward direction screw gauge
10/2004
10/27/2004	CN2651004Y 椭圆规 Oval Regulation
10/13/2004	CN2647587Y Archimedean spiral involute drawing compasses
09/2004
09/08/2004	CN2639016Y Spindle ellipsograph
09/01/2004	EP1452340A1 Device for plotting and cutting elliptical figures
09/01/2004	CN2637194Y Three-legged dual-purpose ellipsograph
08/2004
08/18/2004	CN2633593Y Elliptic compasses
08/18/2004	CN2633592Y Two purpose compasses for elipse and circle
07/2004
07/21/2004	CN2626739Y Archimedes screw involute compasses
07/01/2004	WO2004054817A1 Apparatus for controlling circular and elliptical movement
04/2004
04/14/2004	CN2611179Y 标准椭圆规 Standard oval Regulation
03/2004
03/31/2004	CN2608303Y Rule gauge drawing instrument capable of drawing oval shape
02/2004
02/11/2004	CN2602944Y 抛物线仪 Parabola analyzer
01/2004
01/14/2004	CN1467097A Involute molding device and molding method
12/2003
12/24/2003	DE20315256U1 Compasses for drawing circles and ellipses has a geared drive from the fixed point via an adjustable cross shaft and a gearing to the drawing point
12/24/2003	DE20311897U1 Protractor for plotting indifference curves has a triangular shape with an approximately hyperbolic cut out opposite the hypotenuse
12/24/2003	CN2594037Y 一种椭圆规 An Elliptical regulation
12/24/2003	CN2594036Y 椭圆规 Oval regulation
11/2003
11/19/2003	CN2586591Y Ellipsograph with curved lever and chute
10/2003
10/29/2003	CN2582895Y Ellipsograph
10/15/2003	CN2579675Y Screw guage
07/2003
07/09/2003	CN1428255A Elliptic plotting aid
02/2003
02/19/2003	CN2536413Y Elliptical compasses
02/12/2003	CN2535242Y Parabolic gauge
01/2003
01/08/2003	CN1389352A Curve gauge and its usage
12/2002
12/31/2002	US6499896 Freehand writing instrument
12/11/2002	CN2524955Y New conic curve gauge
11/2002
11/27/2002	CN2522267Y Ellipse-drawing assistanting tool

1 2 3 4 5 6 7 8 9