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Class Information
Number: 33/366.15
Name: Geometrical instruments > Indicator of direction of force traversing natural media > Level or plumb, terrestrial gravitation responsive > Electrically actuated signal or indicator > Fluent sensor
Description: Subject matter wherein the gravity responsive element is a volume of flowable material.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7497118 |
Sensors for detecting position, inclination to perpendicular, movement and acceleration based on thermodynamic effects and method for operating and for manufacturing said sensors |
Mar. 3, 2009 |
| 7370429 |
Integrated electronic level device |
May. 13, 2008 |
| 7222433 |
Electromagnetic inclinometer |
May. 29, 2007 |
| 7188426 |
Inclination sensor |
Mar. 13, 2007 |
| 7055254 |
Tiltsensor |
Jun. 6, 2006 |
| 6880257 |
Signal sampling circuit of a tilt sensor |
Apr. 19, 2005 |
| 6802132 |
Electrolytic tilt sensor and method for manufacturing same |
Oct. 12, 2004 |
| 6732440 |
Orientation sensor |
May. 11, 2004 |
| 6725554 |
Electronic spirit level for measurement of inclination-execution of electric resistors and conductors |
Apr. 27, 2004 |
| 6722199 |
Sensor for detecting a rotational movement or an angular acceleration |
Apr. 20, 2004 |
| 6688013 |
Electrolytic-tilt-sensor |
Feb. 10, 2004 |
| 6625896 |
Electrolytic tilt sensor and method for manufacturing same |
Sep. 30, 2003 |
| 6618951 |
Orientation sensor utilizing intra-pattern property measurements |
Sep. 16, 2003 |
| 6571483 |
Orientation sensor |
Jun. 3, 2003 |
| 6530155 |
Orientation sensor utilizing intra-pattern property measurements |
Mar. 11, 2003 |
| 6516527 |
Inclinometer |
Feb. 11, 2003 |
| 6453745 |
Sensor device for the 3-dimensional measurement of an attitude or acceleration |
Sep. 24, 2002 |
| 6449857 |
Inclinometer and inclinometer network |
Sep. 17, 2002 |
| 6400159 |
Orientation sensor especially suitable for use in an underground boring device |
Jun. 4, 2002 |
| 6370789 |
Probe for machine tools with a tool spindle |
Apr. 16, 2002 |
| 6351892 |
Orientation sensor utilizing intra-pattern property measurements |
Mar. 5, 2002 |
| 6301795 |
Tilt sensor using magnet and magnetic sensor |
Oct. 16, 2001 |
| 6249984 |
Electrolytic tilt sensor having a metallic envelope |
Jun. 26, 2001 |
| 6247239 |
Clinometric sensor |
Jun. 19, 2001 |
| 6123866 |
Electrolytic solution for clinometric sensor |
Sep. 26, 2000 |
| 6066955 |
Orientation sensor especially suitable for use in an underground boring device |
May. 23, 2000 |
| 5930907 |
Uniaxial horizontal sensor |
Aug. 3, 1999 |
| 5780741 |
Sensor employing a sliding magnet suspended on ferrofluid |
Jul. 14, 1998 |
| 5625955 |
Tilt sensor |
May. 6, 1997 |
| 5552703 |
Inclination sensor using sensing coils wound on linear vessel partially filled with fluid |
Sep. 3, 1996 |
| 5524894 |
Head movement sensor for golf practice |
Jun. 11, 1996 |
| 5440817 |
Vertical reference and attitude system |
Aug. 15, 1995 |
| 4662809 |
Automatic level device |
May. 5, 1987 |
| 4651433 |
Pressure sensitive leveling device |
Mar. 24, 1987 |
| 4163325 |
Verticality sensors |
Aug. 7, 1979 |
| 4063366 |
Grade level |
Dec. 20, 1977 |
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