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Class Information
Number: 33/345
Name: Geometrical instruments > Indicator of direction of force traversing natural media > With damper or governor for sensor > Magnetic
Description: Device wherein the damping means includes a generator of a magnetic field.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7395605 |
Apparatus and method for measuring and controlling pendulum motion |
Jul. 8, 2008 |
| 7380345 |
Portable digital horizontal inclinometer |
Jun. 3, 2008 |
| 7121012 |
Apparatus and method for measuring and controlling pendulum motion |
Oct. 17, 2006 |
| 6981331 |
Fork level indicator with magnetic dampening means |
Jan. 3, 2006 |
| 6918283 |
System and method for demonstrating and investigating brownian motion effects on a diamagnetically suspended particle |
Jul. 19, 2005 |
| 6898970 |
Inertial navigation device for ion propulsion driven spacecraft |
May. 31, 2005 |
| 6832518 |
Pressure wave sensor using levitated mass |
Dec. 21, 2004 |
| 6799462 |
Gravimetric measurement method and system |
Oct. 5, 2004 |
| 6708415 |
Magnetic compass structure |
Mar. 23, 2004 |
| 6691420 |
Laser line beam emitting apparatus having a mechanism for automatic location of a tilted laser unit holder to a desired position |
Feb. 17, 2004 |
| 6182370 |
Manually operated angle pickup |
Feb. 6, 2001 |
| 5778545 |
Magnetically damped azimuth resolver |
Jul. 14, 1998 |
| 5174035 |
Attitude sensing apparatus |
Dec. 29, 1992 |
| 4700490 |
Compass |
Oct. 20, 1987 |
| 4667413 |
Inclinometers |
May. 26, 1987 |
| 4102055 |
Sensitive inclinometer |
Jul. 25, 1978 |
| 3950859 |
Angular displacement measuring apparatus |
Apr. 20, 1976 |
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