| 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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| 04/03/2013 | CN202855131U Apparatus for helping children learn counting |
| 04/03/2013 | CN202854013U Automatic indoor columnar soil layer rainfall infiltration measurement system |
| 04/03/2013 | CN103024952A Electric heating device with the function of simulating distribution of different powers |
| 04/03/2013 | CN103021251A Butterfly life specimen showing technology |
| 04/03/2013 | CN103021250A Rat jumping testing facility |
| 04/03/2013 | CN103021249A Heating carbon dioxide simulating abdominal cavity experimental box |
| 04/03/2013 | CN103021248A Simulator capable of simulating heartbeat of human body |
| 04/03/2013 | CN103021247A Simulator capable of simulating breathing of human body |
| 04/03/2013 | CN103021246A Production method and application of abdominal organ teaching simulation model applicable to type-B ultrasonic detection |
| 04/03/2013 | CN103021245A Optical experiment device |
| 04/03/2013 | CN103021244A Device for replacing flashlamp and battery with LED lamp and battery for demonstrative experiments |
| 04/03/2013 | CN103021243A Electronic teaching test chamber |
| 04/03/2013 | CN103021242A Phototube exposing type photoelectric effect experimental instrument for modulating light emitting diode (LED) light source by using alternating current |
| 04/03/2013 | CN103021241A Dynamic simulation system of low voltage electric power system |
| 04/03/2013 | CN103021240A Dynamic simulation system of low voltage asynchronous wind generating set and parallel-in thereof |
| 04/03/2013 | CN103021239A Fifth-order tsai hyperchaotic circuit |
| 04/03/2013 | CN103021238A Digital static tester |
| 04/03/2013 | CN103021237A High-level simulation lightning-protection principle science popularization displaying system |
| 04/03/2013 | CN103021236A High-precision resistance generator of automatic relay-protection simulation system and testing method |
| 04/03/2013 | CN103021235A Reynolds number test method |
| 04/03/2013 | CN103021234A Multi-angle inclined surface researching machine |
| 04/03/2013 | CN103021233A Turntable type Coriolis force experimental instrument |
| 04/03/2013 | CN103021232A High-level simulation image pixel principle science popularization displaying system |
| 04/03/2013 | CN103021231A Multifunctional transverse wave, longitudinal wave, ring wave and standing wave demonstrator |
| 04/03/2013 | CN103021230A Presentation device for space linear surfaces |
| 04/03/2013 | CN103021229A Hammer for childhood teaching |
| 04/03/2013 | CN103018427A Instrument for testing and demonstrating article gas release |
| 04/03/2013 | CN102323165B Multipoint laser detection device for shearing strain of material |
| 04/03/2013 | CN102184663B Combined teaching aid |
| 04/02/2013 | US8408920 Training aid |
| 04/02/2013 | US8408919 Simulation device for tracking the respective motions of at least two instruments |
| 04/02/2013 | US8408918 Method and apparatus for haptic simulation |
| 04/02/2013 | CA2580241C Operating room display and related methods |
| 03/28/2013 | US20130078607 Computer-implemented method of and system for teaching an untrained observer to evaluate a gemstone |
| 03/28/2013 | US20130078604 Trauma Training System |
| 03/28/2013 | US20130078603 Arm model apparatus for intravenous injection training |
| 03/28/2013 | DE112012000005T5 Tragbares Solarlehrmittel Portable Solar teaching aids |
| 03/27/2013 | EP2573746A2 Vascular stenosis model |
| 03/27/2013 | EP2573745A1 Feature-based data structure for digital manikin |
| 03/27/2013 | CN202838791U Galvanized wire support for making bird specimen |
| 03/27/2013 | CN202838790U Classroom demonstration teaching aid for blood pressure measurement |
| 03/27/2013 | CN202838789U High-simulation gastroscope teaching model |
| 03/27/2013 | CN202838788U Knee jerk reflex demonstrator |
| 03/27/2013 | CN202838787U Needle inserting exercising device for intern |
| 03/27/2013 | CN202838786U Display device of decomposing of hypochlorous acid |
| 03/27/2013 | CN202838785U Gas experiment micro environmental protection device |
| 03/27/2013 | CN202838784U Dust explosion experiment device |
| 03/27/2013 | CN202838783U Triple prism assembly with protective frame for optical experiment |
| 03/27/2013 | CN202838782U Capacitor charge-discharge demonstrator |
| 03/27/2013 | CN202838781U Direct-current motor presentation device |
| 03/27/2013 | CN202838780U Presentation device for electromagnetic pendulum |
| 03/27/2013 | CN202838779U Demonstration instrument for humidity sensing features of humidity sensors |
| 03/27/2013 | CN202838778U Device for displaying influence of inductors and capacitors on alternating current |
| 03/27/2013 | CN202838777U Practical training device for photovoltaic electronic products |
| 03/27/2013 | CN202838776U Middle school physics electricity demonstration instrument |
| 03/27/2013 | CN202838775U Electrostatic demonstration instrument |
| 03/27/2013 | CN202838774U Electrotechnical presentation device |
| 03/27/2013 | CN202838773U Electromagnetic energy wireless transmission display system |
| 03/27/2013 | CN202838772U Transformer transformation ratio simulation device |
| 03/27/2013 | CN202838771U High-voltage circuit-breaker simulation device for skill training |
| 03/27/2013 | CN202838770U Ground resistor simulation device for skill training |
| 03/27/2013 | CN202838769U Photoresistor characteristic measuring instrument |
| 03/27/2013 | CN202838768U Alternating current and direct current hybrid photovoltaic system experiment device |
| 03/27/2013 | CN202838767U Demonstration voltmeter |
| 03/27/2013 | CN202838766U Fluorescent lamp test demonstration device |
| 03/27/2013 | CN202838765U Low-voltage electric field arcing experience device |
| 03/27/2013 | CN202838764U Photovoltaic power generation system for simulating and tracking sun trajectory |
| 03/27/2013 | CN202838763U Automatic control integrated practical training platform |
| 03/27/2013 | CN202838762U Automatic electronic experimental teaching system |
| 03/27/2013 | CN202838761U Demonstrator for heat expansion and cold contraction |
| 03/27/2013 | CN202838760U Steam-driven ship demonstrating device |
| 03/27/2013 | CN202838759U Fair cup demonstrating device |
| 03/27/2013 | CN202838758U Liquid buoyance and pressure intensity test demonstrator |
| 03/27/2013 | CN202838757U Demonstration instrument for force arm of lever |
| 03/27/2013 | CN202838756U Experimental device for testing and verifying momentum conservation in small ball collision process |
| 03/27/2013 | CN202838755U Teaching demonstration instrument of circular motion |
| 03/27/2013 | CN202838754U Gyroscope teaching aid capable of synchronously measuring rotation speed and nutation and precession data and teaching module thereof |
| 03/27/2013 | CN202838753U Wind-driven car demonstration device |
| 03/27/2013 | CN202838752U Photoelectric timing and ranging tester |
| 03/27/2013 | CN202838751U Energy transformation demonstrator |
| 03/27/2013 | CN202838750U Micro mechanical quantity measuring instrument |
| 03/27/2013 | CN202838749U Circle and circle position relation demonstration teaching aid |
| 03/27/2013 | CN202838748U Solid geometry demonstration teaching aid |
| 03/27/2013 | CN202838747U Area relationship demonstrator for triangles with equal bottoms and equal heights |
| 03/27/2013 | CN202838746U Bar graph demonstrator |
| 03/27/2013 | CN202838745U Gender heredity ratio demonstrating device |
| 03/27/2013 | CN202838744U Experimental device for testing food energy |
| 03/27/2013 | CN202837526U Capacitance current simulation device |
| 03/27/2013 | CN202837102U Material strength testing device |
| 03/27/2013 | CN103003856A Human phantom training aid for mastering manipulative techniques and method for mastering manipulative techniques using human phantom training aid |
| 03/27/2013 | CN103000073A Simulator for abdomen incision training |
| 03/27/2013 | CN103000072A Postoperative nursing simulating device |
| 03/27/2013 | CN103000071A Gate circuit truth table teaching demonstrator |
| 03/27/2013 | CN103000070A Demonstration device of relationship of radius and perimeter of circle |
| 03/27/2013 | CN103000069A Space deforming and folding mechanism |
| 03/27/2013 | CN103000068A Tunnel construction process simulating test method |
| 03/27/2013 | CN102324201B Spatial graph presentation combined teaching aid for primary school mathematics |
| 03/27/2013 | CN102222441B Blunt force injury causing simulator |
| 03/27/2013 | CN102222438B Dynamic simulation experiment device for researching dynamic characteristic of direct current (DC) transmission system |
| 03/27/2013 | CN102129802B Stereo mechanical tape type Coriolis acceleration experimental apparatus |