Patents for G06C 1 - Computing aids in which the computing members form at least part of the displayed result and are manipulated directly by hand, e.g. abacus, pocket adding device (778) |
---|
12/12/2001 | CN2465219Y Caculator with protection ring |
12/05/2001 | CN2463869Y 算盘式电子计算器 Abacus electronic calculator |
11/22/2001 | US20010043664 Calorie management system |
11/21/2001 | CN2461035Y Abacus with calculator |
10/24/2001 | CN1073721C Convolution ruler |
10/02/2001 | CA2246441C Golf club-distance selector |
08/01/2001 | CN2441158Y Positioning abacus |
06/20/2001 | CN2435772Y Beamless directly beads-omving abacus |
05/30/2001 | CN2432616Y Counter with permanent calendar |
05/30/2001 | CN2432615Y Ten-beads abacus |
03/28/2001 | CN1063853C Abacus for magnet massage |
03/14/2001 | CN2423605Y 便携式数字算盘 Portable digital abacus |
03/14/2001 | CN2422852Y Stationery box with calculator |
02/28/2001 | CN2421675Y Add-subtract calculator |
02/14/2001 | CN2419616Y Calculator with two display screens |
01/31/2001 | CN2417493Y Calculator with hodometer |
01/24/2001 | CN2416527Y Abacus with bead-holes having changable colour ticking sheets |
01/24/2001 | CN2416526Y 多用途算盘 Multipurpose abacus |
01/10/2001 | CN2414439Y Caculator with pen |
01/10/2001 | CN2414384Y Pocket caculator with band tape |
01/09/2001 | US6171111 Educational device for illustrating mathematical relationships |
12/20/2000 | CN2411502Y Calculator with rule |
12/06/2000 | CN2409541Y Nine bead abacus |
11/08/2000 | CN2405256Y Easy to learn type abacus |
10/25/2000 | CN2403049Y Intelligent-devleoping simple abacus |
10/18/2000 | CN2401920Y Quick arithmetic unit |
10/04/2000 | CN2399760Y Luminous abacus |
09/06/2000 | CN1265480A Abacus with bright beads |
08/09/2000 | CN2391230Y 算盘 Abacus |
07/19/2000 | CN2388668Y Abcus mental arithmetic teaching magnetic teaching apparatus |
07/12/2000 | CN2387574Y Double cover turnover permanent calendar calculator |
06/28/2000 | CN2384591Y Medical fluid infusion slide rule |
05/10/2000 | CN2377553Y Add and subtraction operation self-checking device |
04/26/2000 | CN2375990Y Abacus |
04/19/2000 | CN2374881Y Add-and-subtract primary and secondary ruler |
03/29/2000 | CN2371585Y Telltale movable abacus |
03/22/2000 | CN2370452Y Multipurpose calculator for teaching |
03/01/2000 | EP0981787A1 Exchange rate table |
03/01/2000 | CN2366883Y Glancing-over type numeral abacus |
03/01/2000 | CN2366882Y Abacus for culculating changes for shop assistant |
02/22/2000 | US6026579 Foldable geostationary satellite antenna pointing guide and method |
02/16/2000 | CN2364496Y Abacus with clearing device |
09/16/1999 | WO1999046656A1 Exchange rate table |
09/01/1999 | CN2336389Y Road cross section area computing rule |
07/14/1999 | CN1222696A Pupil's fast calculation method and device |
06/30/1999 | CN2326999Y 数字式算盘 Digital abacus |
06/23/1999 | CN2325809Y Sine function quick calculating rule |
06/09/1999 | CN2323427Y 投影算盘 Projection abacus |
06/02/1999 | CN2322180Y Foldable abacus |
05/26/1999 | CN2321037Y Abacus |
05/05/1999 | CN2317497Y 算盘 Abacus |
02/17/1999 | CN2308111Y Rapid computing rule for exceeding altitude and width limit of railway loading goods |
02/17/1999 | CN1208186A Multifunctional plus and minus abacus |
01/27/1999 | CN2305701Y Displacement pupil mathematics basic training calculation board |
01/13/1999 | CN2304149Y Circular single-bead abacus |
01/13/1999 | CN1204793A Division on abacus without pithy formula method manipulated by double-hand |
12/23/1998 | CN2301749Y Single bead number abacus |
12/02/1998 | EP0881702A1 Foldable geostationary satellite antenna pointing guide and method |
09/16/1998 | EP0752126B1 Acid-base equilibrium slide-rule |
09/09/1998 | CN2290881Y Folding splitting abacus |
09/02/1998 | CN1191999A Slide rule for the design of reinforced concrete beam and plate |
07/23/1998 | DE19706352C1 Template used to calculate knot count of carpet |
06/23/1998 | CA2067961C Drinking cup |
06/09/1998 | US5761819 Combination chip counter and swizzle stick |
05/19/1998 | US5753896 Acid-base equilibrium slide-rule |
04/01/1998 | CN2277541Y 电子算盘 Electronic abacus |
04/01/1998 | CN2277538Y Abacus |
04/01/1998 | CN2277537Y New abacus |
03/10/1998 | US5725380 Teaching aid |
02/04/1998 | CN2273877Y Super thin folding abacus for pen calculation rule |
02/04/1998 | CN2273876Y Art abacus able to be used as game arbicle |
01/28/1998 | CN1171572A Abacus with bistable metachromatic keys |
01/21/1998 | CN1170897A 竹框算盘 Bamboo box abacus |
12/10/1997 | CN2270243Y Semi-bead type abacus bead |
11/12/1997 | CN2267474Y Multi-function mathematics calculation ruler |
10/22/1997 | CN2265556Y Groove abacus |
09/17/1997 | CN2262715Y Universal calculating box |
08/27/1997 | CN2261035Y Abacus |
08/20/1997 | CN2260339Y Usual slide rule for construction building quality |
08/20/1997 | CN2260338Y Quick looking-up table for tax item and tax rate |
08/06/1997 | CN2258999Y Enlightened disc for doing sum orally |
07/23/1997 | CN2258291Y 折叠式算盘 Folding abacus |
07/16/1997 | CN1154500A Compulating aid effected mechanically, named convolution ruler |
06/25/1997 | CN1152733A Method for caculating tide |
06/11/1997 | CN2256113Y 多用算盘 Multi abacus |
05/28/1997 | CN2255061Y Mechanism calculator |
04/30/1997 | CN2253491Y Pocket ruler for checking tilting supporting angle in mine |
04/23/1997 | CN2253004Y Medical infusion parameter conversion disc |
04/16/1997 | CN2252361Y Two-purpose double-line abacus with location and remembering |
04/02/1997 | CN2251160Y Hinge abacus beads |
03/05/1997 | CN2248886Y Ruler for calculating expansion of boiler tube |
02/26/1997 | CN2248352Y Calculating board for displaying patent year and prompting payment information |
02/19/1997 | CN2247829Y Half-bead abacus |
02/12/1997 | CN1142626A Abacus for magnet massage |
02/05/1997 | CN2246820Y Permanent-magnet teaching abacus |
01/29/1997 | CN2246306Y Multifunctional abacus box |
01/08/1997 | EP0752126A1 Acid-base equilibrium slide-rule |
10/16/1996 | CN2237864Y 1 adding abacus |
09/18/1996 | CN2235635Y Quick assembled abacus |
05/29/1996 | CN2228239Y Abacus |