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| Number | Title | Issue Date |
| 7344378 | Scientific phenomena evaluation device, educational tool for scientific experiments and manufacturing method of the device and tool In the scientific phenomena evaluation device of the present invention, a plurality of elongated grooves each having a cross-sectional area of not more than 1 mm2 are formed, an end of each of the plurality of flow passages joins in at one meeting ... | 03/18/2008 |
| 7316569 | Evaluation apparatus of scientific phenomena, educational tool for scientific experiments and method of manufacturing the same An evaluation apparatus of scientific phenomena, including: a base plate of a plate-like body on whose surface is formed an elongated groove having a transversely cross-sectional area of not more than 1 mm2; and ... | 01/08/2008 |
| 7210937 | Method and apparatus for microfluidics education The objective of the present invention is to provide a method and apparatus for education and training in microfluidic technology. The microfluidic system training apparatus includes multiple flow configurations of microfluidic elements all configured and fabricated... | 05/01/2007 |
| 7150670 | Enclosed vapor pressure rotation device A mechanical toy having two enclosed chambers, one positioned above the other, connected by a tube; a vaporizing medium contained within the enclosed chambers and tube; means for rotationally supporting the tube and chambers; means for exciting the vaporizing medium... | 12/19/2006 |
| 6769916 | Methods and apparatus for demonstrating laws of physical chemistry This invention is intended to be used as an Educational demonstration for college level instruction. The invention allows students to visualize the phenomenon of activation energy. Rearrange the unit to demonstrate the SN2 reaction and the potential energy of a cova... | 08/03/2004 |
| 6737274 | Comparator for time-temperature indicator A comparator for use with a time-temperature indicator wherein the time-temperature indicator includes an active portion having an initial color and which undergoes chemical changes as time elapses and at a rate related to the temperature of the surrounding environm... | 05/18/2004 |
| 6027344 | Simulant training kit for recognizing hazardous materials A training kit for training individuals to recognize one or more hazardous materials including a housing having dividing means within the housing dividing the housing into a plurality of compartments; each compartment having a set of container receiving p... | 02/22/2000 |
| 5876212 | Apparatuses and kits for teaching mathematics A method and apparatus of teaching mathematical problem solving includes using a series of containers, each consisting of an inherent problem requiring the use of mathematical skills for solution. The series of containers meets all conditions for the teac... | 03/02/1999 |
| 5742290 | Molecular orbital modeling system with an improved function processor A function processing system processes functions to make a three-dimensional display on a screen of a display means by connecting a plurality of lattice points of a space coordinate in a three-dimensional space region. The function processing system inclu... | 04/21/1998 |
| 5720618 | Vacuum teaching device The present invention relates to a vacuum teaching device (10) comprising: a housing (12) which comprises a housing top (12A) having a housing top opening (12AA) therein, a housing bottom (12B) and a housing middle (12C) having a housing middle neck piece... | 02/24/1998 |
| 5299938 | Display apparatus An apparatus for illustrating the operation of an Archimedes screw. Two passages (8,9) are defined which together form a single closed loop passageway. A first passage (8) is generally linear and a second passage (9) is of helical form and is connected at... | 04/05/1994 |
| 5090643 | Force generating system An artificial gravity generation system consisting of at least one pair of high-voltage electrodes. A plurality of electrodes of alternating polarity may be arranged in a grid pattern to form an artificial gravity mat which may be used in spacecraft. The ... | 02/25/1992 |
| 5055259 | Bloodless blood typing training kit This invention provides a blood typing training kit comprising a red blood cell model and an antiserum model with no use of human blood in experiments for blood agglutination and in learning of blood typing, the red blood cell model being an easily availa... | 10/08/1991 |
| 4133124 | Display device Diffused light is projected onto a supported thin film in the form of a truncated sphere. The device has a light source disposed at the bottom end of a housing constructed of a light shielding material, and a diffuser plate at the top end of the housing t... | 01/09/1979 |
