| 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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| 12/01/1993 | CN2148374Y Water level-autocontrolled ship gate model |
| 12/01/1993 | CN2148373Y Gas chamber type gas law experiment device |
| 12/01/1993 | CN2148372Y Circle area calculating demonstration apparatus |
| 12/01/1993 | CN1022954C Hand model of holographic-embryo acupoint regions |
| 12/01/1993 | CN1022953C Bolt linked complex measuring device |
| 11/30/1993 | US5266035 Polyurethane lungs for simulating radionuclide response of real lung |
| 11/25/1993 | WO1993023836A1 Methods for establishing certifiable informed consent for a medical procedure |
| 11/24/1993 | CN2147613Y Experiment box for middle school chemistry teaching demonstration |
| 11/24/1993 | CN2147612Y Photo transmitting property tracing figure display device |
| 11/24/1993 | CN2147611Y Kinetic and potential energy display device |
| 11/24/1993 | CN2147610Y Composite measuring glass |
| 11/24/1993 | CN2147609Y Liquid intensity and float condition experiment device |
| 11/24/1993 | CN2147608Y Multi-sport time and position measuring display device |
| 11/24/1993 | CN2147607Y Cartoon teaching model for nervous system and pipeline system |
| 11/24/1993 | CN2147603Y Pocket scale type quick reading disc for nursing knowledge |
| 11/24/1993 | CN2147520Y Two-direction pull press force measuring meter |
| 11/20/1993 | CA2094312A1 Electric maze learning device or game apparatus and printed circuit switch and method of fabricating same |
| 11/17/1993 | CN2146755Y Abo血型演示模型 Abo Blood demo model |
| 11/17/1993 | CN2146754Y Multi-functional water tank for demonstration purpose |
| 11/16/1993 | US5261822 Surgical refractive laser calibration device |
| 11/11/1993 | WO1993022740A1 High-resolution crystallographic modelling of a macromolecule |
| 11/10/1993 | CN2146038Y Multifunctional test tube rack with lock clip |
| 11/09/1993 | US5260920 Acoustic space reproduction method, sound recording device and sound recording medium |
| 11/09/1993 | US5259765 Biofidelic manikin neck |
| 11/09/1993 | US5259764 Visual display apparatus for the display of information units and related methods |
| 11/03/1993 | CN2145421Y Teaching aid of central nervous system conduction route |
| 11/03/1993 | CN2145420Y Experimental base of electrostatics |
| 11/03/1993 | CN2145419Y Rigid-body angle momentum experimental instrument with electromagnetic controlled |
| 11/03/1993 | CN2145418Y Dismounting plane-space model |
| 11/03/1993 | CN1078056A Stereo cross articulated structure as dismountable teaching aid |
| 10/28/1993 | WO1993021619A1 Surgical simulation model including process for performing training operations, checking results or the like |
| 10/27/1993 | CN2144843Y Model for mechanical drawing and mathematics |
| 10/27/1993 | CN1077812A Optical amplification type galvanometer with low internal resistance |
| 10/26/1993 | US5256071 Multiple-collision accelerator assembly |
| 10/26/1993 | US5256070 Dummy for practicing cardiopulmonary resuscitation (CPR) of a human being |
| 10/23/1993 | CA2066802A1 Custom seating simulator |
| 10/21/1993 | DE4212908A1 Chirurgisches Simulationsmodell, einschließlich Verfahren zur Einübung von Trainingsoperationen, Durchführung von Erfolgskontrollen oder dergleichen Surgical simulation model, including procedures for practice of training operations, conducting performance reviews or the like |
| 10/20/1993 | EP0477199A4 Dental hygiene instruction display |
| 10/20/1993 | CN2144333Y Demonstrator for human blood circulation |
| 10/20/1993 | CN2144332Y Multifunctional building blocks type simple optical teaching aid |
| 10/20/1993 | CN2144331Y Demonstrator for water wave experiment |
| 10/13/1993 | EP0564831A2 Valve means for training manikin |
| 10/13/1993 | EP0564492A1 Vascular impedance measurement instrument |
| 10/13/1993 | CN2143800Y Teaching model for heart and lung auscultation |
| 10/13/1993 | CN2143799Y Planely throwing collision instrument |
| 10/05/1993 | US5249968 CPR manikin (piston) |
| 10/05/1993 | US5249966 Geometric building block system employing sixteen blocks, eight each of only two tetrahedral shapes, for constructing a regular rhombic dodecahedron |
| 10/05/1993 | CA1322627C Method and artificial intraocular lens device for the phakic treatment of myopia |
| 09/30/1993 | WO1993019444A1 Kit and method for demonstrating courtroom and trial procedure |
| 09/29/1993 | CN2142992Y Device for practicing hemospasia and transfusion |
| 09/29/1993 | CN2142991Y Spectrum display of fluorescent lamp |
| 09/29/1993 | CN2142990Y Demonstrator for three direction view |
| 09/29/1993 | CN2142792Y Hand shape learning instrument |
| 09/29/1993 | CN1076799A Apparatus and method for changing "Eight Diagrams" map to "Taiji" map |
| 09/22/1993 | EP0561658A1 Device for simulating especially pathologic respiration conditions |
| 09/21/1993 | US5246000 Apparatus and method for testing the response of cardiac pacemakers to electromagnetic interference |
| 09/15/1993 | EP0560440A1 Training manikin for practising external cardiac massage |
| 09/15/1993 | CN2142218Y Humanbody model for practicing acupuncture and moxibustion |
| 09/15/1993 | CN2142217Y Acoustooptical electroscope |
| 09/14/1993 | US5244394 Dental education kit |
| 09/08/1993 | CN2141920Y Insect wings spreading board |
| 09/07/1993 | US5242307 Teaching tank |
| 09/02/1993 | WO1993017409A1 Apparatus for simulating physiological and physiopathological conditions |
| 09/02/1993 | WO1993016664A1 Artificial spinal disc |
| 09/01/1993 | CN2141584Y The globe movement demonstration device |
| 09/01/1993 | CN2141583Y Imitation demonstration device for lens image forming |
| 08/31/1993 | US5239988 Cardio-pulmonary resuscitation aid |
| 08/25/1993 | CN2141110Y Box-type speech and music ac-dc circuit demonstrator |
| 08/25/1993 | CN2141109Y Precision cylindrical pendulum and single pendulum combined tester |
| 08/24/1993 | US5238410 Apparatus for demonstrating geometrical and gravitational relationships |
| 08/24/1993 | US5238409 Resuscitation |
| 08/20/1993 | CA2061551A1 Method of constructing flat building block modules from the union of two frustums by their congruent bases and slot connectors complement for a variety of constructive or amusing applications |
| 08/19/1993 | WO1993016458A1 Training device for simulating and practising dental-treatment procedures and for carrying out dental-technician's work |
| 08/19/1993 | WO1993016457A1 Training device for simulating and practising dental procedures |
| 08/17/1993 | US5236363 High contrast substance |
| 08/17/1993 | US5236196 Spherical body formed of polygonal members |
| 08/12/1993 | DE4203957A1 Lehr- und uebungsgeraet zur simulation und uebung zahnaerztlich-klinischer arbeitsgaenge Teaching and exercising device for simulation and practice zahnaerztlich-clinical arbeitsgaenge |
| 08/11/1993 | CN2140089Y Efflux vacuum physics teaching instrument |
| 08/10/1993 | US5235628 Calibration phantom for bone mineral measurement on the lumbar spine |
| 08/04/1993 | CN2139726Y Tubal ligation simulated teaching aid |
| 08/04/1993 | CN2139725Y Extraction-exchange type photoelectric detecting model structure |
| 08/03/1993 | US5232370 Children's dental teaching toy |
| 08/03/1993 | US5232369 Handicapped doll with removable limbs |
| 07/29/1993 | DE4201768A1 Model for training in cardio-pulmonary resuscitation - has rib cage with flexible bag which corresponds to human rib cage |
| 07/28/1993 | EP0552145A1 Training method and articles therefor |
| 07/28/1993 | CN2139289Y Electric resonant demonstrator |
| 07/28/1993 | CN2139288Y Magnetic abacus for teaching demonstration with plastic beads |
| 07/27/1993 | US5230630 Suture training device |
| 07/22/1993 | WO1993014483A1 Surgical and/or clinical apparatus |
| 07/21/1993 | CN2138817Y Displayer for simple harmonic vibration curve |
| 07/20/1993 | US5228164 Last for preparing custom footwear |
| 07/14/1993 | CN2138321Y Primary optical experiment box |
| 07/14/1993 | CN2137975Y Dissectible baby toy |
| 07/06/1993 | US5224863 Filling assembly for doll with liquid reservoir |
| 06/30/1993 | CN2137385Y Ship lock demonstrator |
| 06/29/1993 | US5222893 Instrument panel cross check training device |
| 06/23/1993 | EP0547536A1 Method and device to learn microsurgical operation techniques |
| 06/22/1993 | US5221208 Teaching aid |
| 06/17/1993 | DE4141129A1 Extra-corporeal organ perfusion and ventricular-assist-device - has blood pump to enhance circulation and containers for perfused organs by causing organ agitation and blood pressure cycling |
| 06/16/1993 | CN2136510Y Electric harmonic demonstrator |