Resources Contact Us Home
Browse by Category: Main > Business
Class Information
Number: 434/212
Name: Education and demonstration > Mathematics > Geometry, trigonometry, or physical mathematic model structure > Pythagorean theorem
Description: Subject matter relating to the theorem stating that for a right-angled triangle the square of the hypotenuse is equal to the sum of the squares of the other sides.

Patents under this class:

Patent Number Title Of Patent Date Issued
5985632 Peptide amidase from xanthomonas Nov. 16, 1999
5584699 Computerized system for teaching geometry proofs Dec. 17, 1996
5281145 Pictorial image transforming manipulatives Jan. 25, 1994
5219289 Mathematical teaching aid Jun. 15, 1993
5084819 Data collection, analysis, and response system and method Jan. 28, 1992
4137652 Apparatus for verification of the Pythagorean theorem Feb. 6, 1979

  Recently Added Patents
Storage system, control method therefor, and program
Systems and methods for managing fleet services
Vacuum cleaner filter adapter ring
Compact light shield for flash photography
Quinoid thiophene organic photoelectric material, preparation method thereof and application thereof
Power control arrangement for long term evolution time division duplex method and apparatus
Translation system adapted for query translation via a reranking framework
  Randomly Featured Patents
Variable capacity rotary compressor
Electronic safe box keypad
Connecting device for modular frame construction
Replaceable separating agent metering device for a fuser roller
Duct-damper interface adaptor
Collapsible shelter
Baseball clock
Apparatus for collecting a volatile composition of matter releasably bonded to a pliable porous substrate and process for using said apparatus
Crystal oscillation circuit with frequency regulation
Attachment of side covers to linear induction motor