| 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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| 08/28/1997 | WO1997031333A1 Display arrangement and method |
| 08/28/1997 | DE19606457A1 Scales for measuring air resistance of different objects in educational use |
| 08/27/1997 | CN2261057Y Swinging-type horizontal parabolic movement multi-purpose instrument |
| 08/26/1997 | US5660387 Polyhedron puzzle |
| 08/20/1997 | EP0789899A1 Educational and interactive health monitor and method |
| 08/20/1997 | CN2260360Y Loop flowing type model for demonstration of heart beating and blood circulation |
| 08/20/1997 | CN2260359Y Imitating demonstration instrument for alternating current |
| 08/20/1997 | CN2260358Y Demonstration instrument for wave motion |
| 08/20/1997 | CN2260357Y Combination type models for teaching physics for lower middle school students |
| 08/19/1997 | US5659210 Easily constructible instructional electric motor |
| 08/19/1997 | US5659135 Method for modeling a stratified and fractured geologic environment |
| 08/13/1997 | EP0621974B1 Surgical and/or clinical apparatus |
| 08/13/1997 | CN2259663Y Rapid multi-purpose converting technique phasing device |
| 08/13/1997 | CN2259662Y Universal experiment connection demonstration board for electricity education |
| 08/13/1997 | CN2259661Y Multifunction experiment box for electricity |
| 08/13/1997 | CN2259660Y Multifunction electricity education experiment box |
| 08/13/1997 | CN2259659Y Multi-function practical model for mathematics |
| 08/06/1997 | CN2259008Y Multifunctional laboratory supply unit |
| 08/06/1997 | CN2258791Y Module combined electronic toy |
| 08/06/1997 | CN1035574C Turbulent mechanism tester |
| 08/05/1997 | US5653592 Method and apparatus for micro modeling the sediment transport characteristics of a river |
| 07/31/1997 | WO1997027729A1 Reusable electronic circuit building set with interchangeable modular components |
| 07/31/1997 | WO1997027573A1 Enlarged model of a human body installed with a passage fit for traffic inside |
| 07/31/1997 | WO1997026963A1 The modular, adaptable puzzle |
| 07/31/1997 | WO1997026838A1 Image sound and feeling simulation system for dentistry |
| 07/31/1997 | CA2215240A1 Image sound and feeling simulation system for dentistry |
| 07/29/1997 | US5652640 Vision simulating apparatus and method |
| 07/29/1997 | US5651745 Motion transfer device |
| 07/29/1997 | US5651679 Virtual polyhedra models |
| 07/24/1997 | CA2195621A1 Reusable electronic circuit building set with interchangeable modular components |
| 07/23/1997 | CN2258301Y Electric resonance demonstrator |
| 07/23/1997 | CN2258300Y 电子束实验仪 Electron beam experimental instrument |
| 07/23/1997 | CN1035496C Micro-pore model of true reservior rock and making tech. thereof |
| 07/22/1997 | US5651046 Anatomic phantom for evaluation of projection radiographic imaging systems |
| 07/22/1997 | CA2040710C Cpr manikin |
| 07/16/1997 | CN2257947Y Circuit variating motor model |
| 07/16/1997 | CN2257946Y Multifunctional plane analytic geometry demonstrating board |
| 07/15/1997 | US5648915 Soft tissue damage assessment system |
| 07/10/1997 | DE19600066A1 Ball spinning top for use as toy |
| 07/10/1997 | DE19549240A1 Tragbares Gerät zur Simulation von Ultraschalluntersuchungen Portable device for simulating ultrasound examinations |
| 07/09/1997 | CN2257616Y Electromagnetic induction energy conversion indicator |
| 07/09/1997 | CN2257615Y Radix point shift indicator |
| 07/08/1997 | US5645780 Method of placing an eyepiece in a taxidermy mannikin using a protective and release coating |
| 07/08/1997 | US5645431 In a metal oxide semiconductor field effect transistor device |
| 07/03/1997 | WO1997023855A1 Portable apparatus for simulating ultrasonic examinations |
| 07/02/1997 | CN2257394Y Polarized light testing instrument |
| 07/02/1997 | CN2257393Y Multifunctional vertical motor model |
| 06/24/1997 | US5642469 Direct-drive manipulator for pen-based force display |
| 06/18/1997 | CN2256570Y Circuit connection model |
| 06/18/1997 | CN2256569Y Multifunctional application super conductivity demonstration device |
| 06/18/1997 | CN2256568Y 多功能棱锥演示模型 Multifunction pyramid demonstration model |
| 06/17/1997 | US5639090 Geoboard with movable pins |
| 06/11/1997 | CN2256134Y Model of human body |
| 06/11/1997 | CN2256133Y Demonstration model for cannula for trachea of newly born baby |
| 06/04/1997 | CN2255644Y Teaching demonstration board for automobile electric system |
| 06/03/1997 | US5634797 Heart defect teaching aid |
| 06/03/1997 | US5634536 Brake for multi-positionable rotatable member |
| 05/29/1997 | WO1997019440A1 Method and apparatus for providing low cost force feedback and mechanical i/o for computer systems |
| 05/28/1997 | CN2255081Y Medical model for teaching for demostration of parturition |
| 05/28/1997 | CN2255080Y Horizontal insertion type octagonal shaped electronic toy bricks |
| 05/28/1997 | CN2255079Y Teaching article box for school children |
| 05/28/1997 | CN2255078Y Teaching article box for school children |
| 05/28/1997 | CN2255077Y Multi-function solid geometry demonstration table |
| 05/27/1997 | US5632623 Mock circulation system |
| 05/14/1997 | CN2254223Y Electromagnetic crane demonstration model |
| 05/14/1997 | CN2254222Y 易经仪 I Ching instrument |
| 05/13/1997 | US5628633 For use in cardio-pulmonary resuscitation procedure training |
| 05/13/1997 | US5628230 Method and apparatus for testing the efficacy of patient support systems |
| 05/07/1997 | DE19540656A1 Synthetic fabric for realistic diagnostic and/or intervention training |
| 05/07/1997 | CN1034838C Electric line firing source simulator |
| 05/02/1997 | EP0579801B1 Training device for simulating and practising dental-treatment procedures and for carrying out dental-technician's work |
| 05/01/1997 | WO1997015908A1 Educational aid |
| 04/29/1997 | US5624638 Modular laboratory equipment and coupling system |
| 04/23/1997 | CN2253025Y Seabed local ecology emulator |
| 04/22/1997 | US5623429 Techniques for expeditiously predicting electromagnetic wave propagation |
| 04/16/1997 | EP0767947A1 Observation device |
| 04/16/1997 | CN2252375Y Multifunction geometry teaching aid |
| 04/15/1997 | US5621433 Low-cost multichannel oscilliscope for teaching and demonstration purposes |
| 04/15/1997 | US5620326 Anatomical simulator for videoendoscopic surgical training |
| 04/15/1997 | US5620325 Educational blocks with enhanced manipulation features |
| 04/09/1997 | CN2251765Y Electric current simulation demonstrating device |
| 04/09/1997 | CN2251764Y Electronic foundation experimental desk |
| 04/03/1997 | WO1997012351A1 Servo lung simulator and related control method |
| 04/03/1997 | WO1997012349A1 Apparatus for use as an educational toy |
| 04/03/1997 | WO1997012330A1 Method and apparatus for information processing using cellular automata transform |
| 03/20/1997 | DE19538015A1 Artificial tissue for use with high frequency surgery |
| 03/20/1997 | DE19534505A1 Tooth used for teaching purposes |
| 03/19/1997 | CN2249937Y Energy compensator for Foucault pendulum |
| 03/18/1997 | US5611691 Modular construction kit using electronic control modules |
| 03/12/1997 | CN2249437Y Electric trailing test-table |
| 03/12/1997 | CN2249436Y Single-chip single board micro-computer compatible teaching demonstration board |
| 03/11/1997 | US5611025 Virtual internal cavity inspection system |
| 03/11/1997 | US5610811 Surgical instrument file system |
| 03/11/1997 | US5609485 Medical reproduction system |
| 03/11/1997 | US5609405 Overhead projector fluid dynamics simulator |
| 03/05/1997 | CN2248901Y Multi-function demonstration apparatus for teaching density, pressure and buoyancy |
| 03/05/1997 | CN2248900Y Multiple oscillogram projection device |
| 03/04/1997 | US5607311 Orthopaedic human skeletal demonstration aids |
| 03/04/1997 | US5607309 Instructional method and apparatus for teaching data collection and analysis |
| 03/04/1997 | CA2029656C Cpr manikin |