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Class Information
Number: 434/300
Name: Education and demonstration > Science > Physics
Description: Subject matter relating to the study of matter and energy.

Sub-classes under this class:

Class Number Class Name Patents
434/301 Electricity or magnetism 35
434/303 Optics 14
434/302 Statics or dynamics 42

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8636521 Teaching apparatus Jan. 28, 2014
8491310 Teaching aid device for teaching the principles of a self-contained impulse generator method within an isolated system Jul. 23, 2013
8246356 Magnetic flux viewer Aug. 21, 2012
8147249 Display mechanism illustrating fluid dynamics Apr. 3, 2012
7963771 Experiment and education system employing a plurality of units Jun. 21, 2011
7430038 Apparatus for enhancing visualization of mechanical stress Sep. 30, 2008
7338287 Systems and methods for searching for and delivering solutions to specific problems and problem types Mar. 4, 2008
7266469 Method and article of manufacture for determining a rate of change of orientation of a plurality of fibers disposed in a fluid Sep. 4, 2007
6957960 Method and apparatus kit for demonstrating archimedes' principle Oct. 25, 2005
6821124 Laser frequency modulation tactical training system Nov. 23, 2004
6773264 Teaching apparatus for mechanics principles Aug. 10, 2004
6722940 Torsion spring powered toy vehicle Apr. 20, 2004
6582234 Method for demonstrating the inverse square law and apparatus therefor Jun. 24, 2003
6561810 Method and apparatus for teaching children about fluid piping systems May. 13, 2003
6547567 Bouncing ball apparatus Apr. 15, 2003
6478582 Free rotator demonstrator Nov. 12, 2002
6443736 Technology explorer model Sep. 3, 2002
6413100 System and methods for searching for and delivering solutions to specific problems and problem types Jul. 2, 2002
6402521 Apparatus for demonstrating changes in motion with respect to time Jun. 11, 2002
6382982 Educational tool comprised of selectable optically-linked modules May. 7, 2002
6290505 Ballistic performance simulator Sep. 18, 2001
6273727 Method and apparatus for calculating drug dosages and unit conversions and for teaching how to calculate drug dosages and unit conversions Aug. 14, 2001
6213781 Educational game using selective light displacement to teach physical concepts Apr. 10, 2001
6152741 Device for teaching electrostatic principles Nov. 28, 2000
6071165 Thermal-powered diving device Jun. 6, 2000
6016978 Device for producing a stationary particle cloud in a space particularly at an underpressure Jan. 25, 2000
6015296 Apparatus for generating nonlinear dynamic chaotic motion Jan. 18, 2000
6012959 Thermal- powered rocking device Jan. 11, 2000
5975911 Mechanical oscilloscope Nov. 2, 1999
5921781 3-dimensional models showing chemical point group symmetry Jul. 13, 1999
5915971 Tutorial device and method for determining drug dosages Jun. 29, 1999
5876212 Apparatuses and kits for teaching mathematics Mar. 2, 1999
5775917 Propeller-driven educational vehicle apparatus Jul. 7, 1998
5772444 Method and article for teaching the core construction of the singularity motion Jun. 30, 1998
5720618 Vacuum teaching device Feb. 24, 1998
5273436 Changeable grid system kit Dec. 28, 1993
5256071 Multiple-collision accelerator assembly Oct. 26, 1993
5252552 Superconductive device and method for demonstrating autorotation Oct. 12, 1993
5192212 Flexible hypresurface orbital model Mar. 9, 1993
5158462 Multiple-collision acceleration demonstrator and toy Oct. 27, 1992
5145378 Pendulum principle demonstration apparatus Sep. 8, 1992
5137487 Self-reversing symmetrical body Aug. 11, 1992
5049080 Waterwheel demonstrating apparatus Sep. 17, 1991
5009602 Rotational movement training apparatus Apr. 23, 1991
4971562 Didactic device to aid in understanding and teaching about electromagnetic fields and their effects Nov. 20, 1990
4886459 Precision controlled cartesian diver Dec. 12, 1989
4759719 Teaching device for the demonstration of scientific principles Jul. 26, 1988
4674983 Relation teaching block arrays Jun. 23, 1987
4543067 Amusement device Sep. 24, 1985
4345247 Display system for steady state waves Aug. 17, 1982

1 2

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