| Patents for B43L 9 - Circular curve-drawing or like instruments (2,793) |
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| 07/12/1995 | CN1104960A Campasses safety device |
| 07/05/1995 | EP0660784A1 Compass with safety pivot. |
| 06/27/1995 | US5426859 Measuring and drawing instrument |
| 06/14/1995 | EP0657307A1 Measuring and drawing instrument |
| 05/31/1995 | CN2199062Y Multipurpose drawing metering appliance |
| 05/17/1995 | CN2197228Y Curve gauge |
| 05/17/1995 | CN2197227Y Compass with suction cup |
| 05/17/1995 | CN2197226Y Multifunctional magnet compass |
| 05/10/1995 | CN2196552Y Three-point positioning three-feet compasses |
| 04/26/1995 | CN2195450Y Circular curve-drawing instrument |
| 04/05/1995 | CN2193812Y Multi-purpose drawing appliance |
| 03/22/1995 | CN2192477Y Multipurpose compasses |
| 03/22/1995 | CN2192476Y 圆规 Compasses |
| 03/15/1995 | CN2191774Y Vernier compasses |
| 03/08/1995 | CN2191102Y Horizontal teaching compasses with suction cup |
| 02/21/1995 | US5390418 Tool for drawing circumferences |
| 02/02/1995 | WO1995003182A1 An angle divider |
| 02/02/1995 | CA2167394A1 An angle divider |
| 02/01/1995 | CN2188490Y Compass |
| 01/31/1995 | US5384964 Rotary circle template |
| 01/26/1995 | DE4324473A1 Adaptor for receiving writing or drawing instruments |
| 01/25/1995 | EP0635381A1 A device for moving tools along a circular trajectory |
| 01/25/1995 | CN2188039Y Multifunctional set square |
| 01/25/1995 | CN2188038Y Multipurpose compasses |
| 01/18/1995 | CN2187552Y Multi-purpose drawing compasses |
| 01/11/1995 | CN2187118Y Three-leg centring compass |
| 12/28/1994 | CN2186166Y 教学圆规 Teaching compasses |
| 12/07/1994 | CN2184571Y Adjustable pencil type compasses |
| 11/30/1994 | CN2183897Y Compasses combined with ruler |
| 11/30/1994 | CN2183896Y Compasses with parallel point attachments |
| 11/09/1994 | CN2182075Y Two purpose gauge for drawing circle and ellipse |
| 10/19/1994 | CN2179830Y Multi-functional teaching ruler |
| 10/12/1994 | CN2179272Y Multipurpose vernier compasses |
| 10/05/1994 | CN2178638Y Simple compasses |
| 09/27/1994 | US5349758 Device for use in laying out pitch angles on a rafter |
| 09/21/1994 | CN2177603Y Student's compasses |
| 09/20/1994 | US5347721 Method and device for drawing curved lines |
| 08/24/1994 | CN2175114Y Two-purpose compass for students use |
| 07/06/1994 | CN2170855Y Safety device for compass |
| 07/06/1994 | CN2170854Y Multifunctional compass |
| 07/06/1994 | CN1088873A Laterally graduated compasses |
| 06/22/1994 | CN2169551Y Drawing compasses |
| 06/01/1994 | CN2166970Y Two-purpose compass for drawing ellipses and circular |
| 06/01/1994 | CN2166969Y Compass with ruler |
| 06/01/1994 | CN2166968Y Slide rod type compass |
| 05/25/1994 | CN2166015Y Vernier compasses |
| 05/25/1994 | CN2166014Y Convenient multi-function compasses |
| 05/25/1994 | CN2166013Y Large-radius arc plotting instrument |
| 05/11/1994 | WO1994009998A1 Woodworking square having multiple uses |
| 05/05/1994 | DE4309503A1 Pair of compasses geodetical triangle - has versatile circle markings by holes of 2 mm dia. in geodetical triangle |
| 04/13/1994 | CN2161479Y Sucker type compass |
| 04/13/1994 | CN2161478Y Teaching compass |
| 03/30/1994 | CN2159883Y Multi-purpose compasses |
| 03/17/1994 | WO1994005514A1 Compass with safety pivot |
| 03/17/1994 | CA2144089A1 Safety compass |
| 03/16/1994 | CN2158791Y Curved-surface drawing compass |
| 01/12/1994 | CN2152686Y Large-diameter high-precision compasses |
| 01/12/1994 | CN2152685Y Translation compasses |
| 01/05/1994 | CN2151867Y Campass with rule |
| 12/29/1993 | CN2151013Y Pen with compass |
| 12/22/1993 | CN2150068Y Telescopical multi-function compasses |
| 12/15/1993 | CN2149294Y Compass used for drawing lines on the surface of column |
| 12/15/1993 | CN2149293Y Multi-function compass |
| 12/08/1993 | CN2148682Y Compass |
| 11/11/1993 | DE4215336A1 Pair of compasses with two arms joined at one end - has pin-pointing arm with guide member coupled to holder by guide rod |
| 11/10/1993 | CN2145708Y Multipurpose compasses |
| 10/19/1993 | US5253421 Circle drawing kit apparatus |
| 10/07/1993 | DE4211432A1 Fastener fitting for coloured pencils on compasses - consists of U-profile nipple of elastic plastic, with legs to engage around pen and compasses |
| 09/29/1993 | CN2142791Y Combined multi-purpose drawing instrument |
| 09/22/1993 | CN2142397Y Portable precise drawing instrument |
| 09/15/1993 | CN2142071Y 圆规 Compasses |
| 09/08/1993 | CN2141772Y Reading compasses |
| 09/01/1993 | CN2141360Y Adsorption type multi-purpose compasses |
| 08/31/1993 | US5240338 Multifunctional drawing and writing instrument |
| 08/17/1993 | US5235754 Beam compass |
| 08/10/1993 | US5233715 Combination tool assembly for graphic art |
| 07/29/1993 | DE4201854A1 Bearing arrangement for adjustment spindle of compasses - comprises two-part bearing body, each with base plate with threaded groove on inside and sprung projection on outside |
| 07/14/1993 | CN2138043Y Multipurpose ruler with trigonometrical functions calculator |
| 07/14/1993 | CN2138042Y Center locator for teaching compasses |
| 05/27/1993 | DE4244533A1 Combined ruler-compass - has self-adhesive rotary joint, and slide system with graduations on scale to give desired measurements |
| 05/26/1993 | CN2134295Y Axle-centre type compasses |
| 05/05/1993 | CN2131708Y Compass with staff |
| 05/05/1993 | CN2131707Y Teaching compass |
| 04/28/1993 | CN2130704Y Multipurpose gauge |
| 04/28/1993 | CN2130703Y Transparent multipurpose plotting instrument |
| 04/21/1993 | CN2130136Y Synchronous rotary caster drawing instrument |
| 04/14/1993 | EP0536857A1 Proportional compasses |
| 03/16/1993 | US5193284 Multi-purpose drawing ruler |
| 03/10/1993 | CN2127913Y Multi-purpose compasses |
| 02/04/1993 | DE4125681A1 Compasses to draw circles, squares, polygonal figures - has multi-functional segmented constructed calipers, with switchable cam tracing mechanism |
| 02/02/1993 | US5183373 Circle marking and cutting guide template |
| 01/28/1993 | DE4124861A1 Geometrical compasses with intermeshing teeth on upper ends of legs - which have radial projections to limit angle of opening |
| 01/20/1993 | CA2065514A1 Ice surface line applicator |
| 12/23/1992 | CN2125510U Circle centre point for teaching compass |
| 12/22/1992 | US5172486 Fixture for tape measure |
| 12/17/1992 | DE4119136A1 Hinge joint for two-part compass calipers - has one part with two tabs, enclosing slot, consisting of plastics, corners of all tabs have been cut away |
| 11/25/1992 | CN2122739U Compass able to be used as ellipsograph |
| 11/25/1992 | CN1019176B Variable-curvature arcograph |
| 11/11/1992 | CN2121349U Multi-purpose mapper |
| 11/11/1992 | CN2121348U Multi-functional two-ruler compasses |