Resources Contact Us Home
Browse by Category: Main > Business
Class Information
Number: 434/186
Name: Education and demonstration > Magnetic or gyro compass
Description: Subject matter relating to a device for determining directions by means of (a) a magnetic needle turning freely on a pivot and pointing to the magnetic north, or (b) a direction indicator controlled by a gyroscope.

Patents under this class:

Patent Number Title Of Patent Date Issued
7862882 Re-positionable magnetic art apparatus Jan. 4, 2011
7543392 Motion estimation method and system for mobile body Jun. 9, 2009
7126262 Piezoelectric vibration gyro element, method for manufacturing the same, and piezoelectric vibration gyro sensor Oct. 24, 2006
5940798 Feedback modification for reducing stuttering Aug. 17, 1999
4078317 Flight simulator system Mar. 14, 1978

  Recently Added Patents
Rate controlled first in first out (FIFO) queues for clock domain crossing
Method for carrying out a chemical reaction
Simultaneous image distribution and archiving
Method and apparatus for performing real time anomaly detection
Closed cell culture system
Decoding and presentation time stamps for MPEG-4 advanced video coding
Methods and compositions to treat and detect misfolded-SOD1 mediated diseases
  Randomly Featured Patents
Rotatable cutting tool-holder assembly
Multiple variable cache replacement policy
Apparatus and method for securing documents posted from a web resource
Pivoting springy mechanism that opens and closes pressed electrical contacts with a force which is nearly constant over a range of closed positions
Method for producing microcrystalline cellulose
Yarn with random denier fluctuations
Collapsible device for securing a cover over a swimming pool
Vertical junction field effect transistors having sloped sidewalls and methods of making
Method for the joining of tubular parts in a heat exchanger and tool for practicing the method
Electromagnetic device and method for boundary layer control