| Patents for G09B 23 - Models for scientific, medical, or mathematical purposes, e.g. full-sized device for demonstration purposes (20,724) |
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| 11/16/1994 | CN2183013Y Intelligent geometry block |
| 11/10/1994 | WO1994025948A1 Medical training apparatus |
| 11/10/1994 | WO1994025785A1 Modular laboratory equipment and coupling system |
| 11/10/1994 | CA2158159A1 Modular laboratory equipment and coupling system |
| 11/08/1994 | US5362239 Mapping and geographic locator system |
| 11/02/1994 | EP0621974A1 Surgical and/or clinical apparatus. |
| 11/02/1994 | CN2181723Y Chromosome and gene action and heredity principle demonstrator |
| 11/02/1994 | CN2181722Y Junior middle school optics experimental box |
| 11/02/1994 | CN2181721Y Parallel line demonstrator |
| 11/02/1994 | CN2181720Y Mathematics rudimental learning machine |
| 11/01/1994 | US5360344 Hands-on learning system including three-dimensional action model kit |
| 10/27/1994 | DE4330345C1 Method and device for registering and evaluating the electromagnetic compatibility behaviour of an electrical instrument |
| 10/27/1994 | DE4313031A1 Model eye |
| 10/26/1994 | CN2181053Y Container |
| 10/26/1994 | CN2181052Y Demonstration defvice for static frinction force |
| 10/26/1994 | CN2181051Y Demonstration device for text of mechanical drawing |
| 10/26/1994 | CN2181050Y Tolerance and fit demonstration device |
| 10/26/1994 | CN1026366C Air-cushion silder |
| 10/25/1994 | US5358408 Tissue specimen suspension device |
| 10/19/1994 | CN2179992Y Electricity experimental box for junior middle schools |
| 10/19/1994 | CN2179991Y Circuit comprehensive experiment detector |
| 10/19/1994 | CN1093821A Multi-function model for demonstrating circle |
| 10/18/1994 | US5356295 Anatomical teaching tool and method for teaching anatomy |
| 10/18/1994 | US5356294 Dental diagnostic and instructional apparatus |
| 10/18/1994 | CA2072682C Visual toy having a reflective surface for exhibiting a variable coloration in response to orientation of the toy |
| 10/12/1994 | CN2179617Y Multifunction electricity test box |
| 10/12/1994 | CN1093482A "Y" shaped magnetic needle |
| 10/12/1994 | CN1093481A Instrument for verifying liquid pressure formula |
| 10/05/1994 | CN2178918Y Demonstrater for safety using electric |
| 10/04/1994 | US5353236 High-resolution crystallographic modelling of a macromolecule |
| 10/04/1994 | US5351677 Medical system having object information reproduction means for palpation |
| 09/29/1994 | WO1994022122A1 Microsurgical training apparatus |
| 09/28/1994 | CN2178374Y Electrode for electrostatic field double line drawing instrument |
| 09/22/1994 | DE4308935A1 Phantom for controlling the comminutive effect of lithotrites (lithoclast, lithotriptor) |
| 09/22/1994 | DE4308493A1 Model for practising cardiopulmonary resuscitation (CPR) of a human being, especially of babies |
| 09/21/1994 | CN2177981Y Fowl wings-flapping imitating mechanism |
| 09/21/1994 | CN2177980Y Electronic induction magic board |
| 09/21/1994 | CN2177979Y 智力电子模块 Intelligence electronic module |
| 09/20/1994 | US5348480 Statistical sampling apparatus |
| 09/15/1994 | WO1994020942A1 Didactic model of schematic accelerator of particles |
| 09/15/1994 | WO1994020186A1 Spherical body formed of polygonal members |
| 09/14/1994 | CN2177273Y Box type multifunction guinea pig experiment clip |
| 09/14/1994 | CN2177231Y Buoyancy measurer |
| 09/07/1994 | EP0403562B1 Training aid to simulate detection of radioactivity |
| 09/07/1994 | CN2176574Y Teaching instrument on parallelogram rules |
| 09/07/1994 | CN2176573Y Instrument for teaching mathematics |
| 09/01/1994 | WO1994019787A1 Functional component usable dor demonstration and/or training purposes |
| 09/01/1994 | WO1994019786A1 Functional component usable for demonstration and/or training purposes |
| 08/31/1994 | CN2175955Y Multi-function mini-size hydraulic power testing instrument |
| 08/30/1994 | US5343369 Light table for teaching geometric principles |
| 08/30/1994 | US5342202 Method for modelling cranio-facial architecture |
| 08/24/1994 | EP0611469A1 Medical training apparatus |
| 08/24/1994 | CN2175451Y Medical model of human's head for education with sound and light |
| 08/18/1994 | WO1994018657A1 Interactive neonatal resuscitation training simulator and method |
| 08/17/1994 | CN2174757Y Multi-function human body analog device for surgery |
| 08/17/1994 | CN2174756Y Electronic simulating model demonstration device |
| 08/17/1994 | CN2174755Y Proca surface teaching aid model |
| 08/10/1994 | CN2173981Y High critical temp. superconductor magnetic suspension train demonstration apparatus |
| 08/10/1994 | CN2173980Y Junior middle school dynamics experiment box |
| 08/10/1994 | CN2173979Y Junior middle school physics thermo-optical experiment box for student |
| 08/03/1994 | CN2173441Y Pneumatic open/close model for propeller air hole |
| 08/03/1994 | CN2173440Y Projection pneumatic table |
| 08/03/1994 | CN2173439Y Straight line current magnetic field display device |
| 08/03/1994 | CN2173438Y 积木式电子实验盒 Modular electronic experimental box |
| 08/03/1994 | CN1090411A Single-chip computer contrlled human body model for acupuncture |
| 07/27/1994 | CN2172895Y Auxiliary apparatus for solving pupil's mathematics applied problem |
| 07/27/1994 | CN2172876Y New-type spectrometer |
| 07/26/1994 | US5333106 Apparatus and visual display method for training in the power use of aerosol pharmaceutical inhalers |
| 07/21/1994 | WO1994016425A1 Laser calibration device |
| 07/20/1994 | CN2172507Y Thermoelectric electromagnet |
| 07/19/1994 | US5330514 Dummy for practicing cardiopulmonary resuscitation (CPR) of a human being |
| 07/12/1994 | US5328374 Geometry board |
| 07/06/1994 | CN2171143Y Dynamic blood circulation Demonstrating device for rabbit |
| 06/29/1994 | CN2170554Y Projective multi-item physical teaching demonstrator |
| 06/29/1994 | CN2170553Y Electronic building blocks |
| 06/29/1994 | CN2170552Y Lever using great work |
| 06/23/1994 | WO1994013896A1 Method of constructing flat building block modules |
| 06/22/1994 | CN2169887Y Multifunctional gas detonator |
| 06/22/1994 | CN2169886Y Electronic specific charge measuring instrument |
| 06/22/1994 | CN2169865Y Improved tracing graphic instrument for light transmission |
| 06/15/1994 | EP0601872A1 Laser rangefinder testing system incorporating range simulation |
| 06/15/1994 | CN2169177Y Assembled teaching instrument for dynamic stereo display |
| 06/14/1994 | US5320537 Microsurgical training apparatus |
| 06/12/1994 | CA2111068A1 Laser rangefinder testing system incorporating range simulation |
| 06/08/1994 | CN2168306Y Mould socket connector |
| 06/07/1994 | US5318448 Demonstration model for gynecological procedure |
| 06/07/1994 | US5317931 Apparatus for sensing deflection in a crash test dummy thorax |
| 06/01/1994 | DE4239633A1 Kinetic rotational body of coiled flat, round, polygonal or tubular material - has vertical axles, in form of ring or flat or three dimensional figure, and is set in middle of torus shaped body |
| 06/01/1994 | CN2167426Y Quick writing ruler for chemical equation |
| 06/01/1994 | CN2167425Y Gas collection channel |
| 05/31/1994 | US5316483 Geometric display device and method of demonstrating geometric shapes |
| 05/31/1994 | US5316004 Method for vascular impedance measurement |
| 05/26/1994 | WO1994010906A1 Instrument simulator system |
| 05/26/1994 | DE4239027A1 Teaching and demonstration oscilloscope for analog values - receives data from several channels, and has control contg. two eight-bit EPROMs for controlling multiplexer and LCD for displaying pixels of each channel via AND=gates or A=D converter |
| 05/24/1994 | US5314339 Educational medical mannequin |
| 05/18/1994 | CN2165495Y Plug-in electrostatic demonstrator for distributing symmetric output high voltage power supply |
| 05/18/1994 | CN2165494Y Gas law demonstrator |
| 05/18/1994 | CN2165493Y Bell three-force relationship demonstrator |
| 05/18/1994 | CN1086918A Module type element box for electronic teaching board |
| 05/18/1994 | CN1086917A Same plane couple equivalent theorem demonstrator |