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Class Information
Number: 33/366.22
Name: Geometrical instruments > Indicator of direction of force traversing natural media > Level or plumb, terrestrial gravitation responsive > Electrically actuated signal or indicator > Fluent sensor > Having resistive or contact circuit control element > By multiple circuit paths through conductive fluid
Description: Subject matter under 366.21 having plural current paths between conductors through a conductive field.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7408626 |
Laser transmitter with thermally induced error compensation and method of transmitter compensation |
Aug. 5, 2008 |
| 7188426 |
Inclination sensor |
Mar. 13, 2007 |
| 7100294 |
Method of sensing tilt, tilt sensor, and method of manufacturing same |
Sep. 5, 2006 |
| 7095486 |
Laser transmitter with thermally induced error compensation and method of transmitter compensation |
Aug. 22, 2006 |
| 7055254 |
Tiltsensor |
Jun. 6, 2006 |
| 6516527 |
Inclinometer |
Feb. 11, 2003 |
| 6400159 |
Orientation sensor especially suitable for use in an underground boring device |
Jun. 4, 2002 |
| 6066955 |
Orientation sensor especially suitable for use in an underground boring device |
May. 23, 2000 |
| 5726359 |
Orientation sensor especially suitable for use in an underground boring device |
Mar. 10, 1998 |
| 5483748 |
Sound indicative leveling apparatus |
Jan. 16, 1996 |
| 5444917 |
Sensing device |
Aug. 29, 1995 |
| 5428902 |
Inclinometer sensing circuitry and operation |
Jul. 4, 1995 |
| 5146688 |
Low power tiltmeter electronics with compensation for bubble level fluid temperature |
Sep. 15, 1992 |
| 5046261 |
Leveling device for leveling tools and workpieces |
Sep. 10, 1991 |
| 4866850 |
Clinometer with rolling liquid conductor |
Sep. 19, 1989 |
| 4846954 |
Inclination sensor |
Jul. 11, 1989 |
| 4779353 |
Tool for measuring inclination and rotation |
Oct. 25, 1988 |
| 4628729 |
Arrangement for determining the instantaneous angular position of a moving object |
Dec. 16, 1986 |
| 4603484 |
Level sensing apparatus providing output signals compatible with digital apparatus |
Aug. 5, 1986 |
| 4583296 |
Electrical inclination sensor and method for its manufacture |
Apr. 22, 1986 |
| 4567666 |
Tilt sensor null adjusting apparatus |
Feb. 4, 1986 |
| 4547972 |
Tilt sensor and monitoring system |
Oct. 22, 1985 |
| 4503622 |
Precision inclinometer with digital numerical readout |
Mar. 12, 1985 |
| 4312131 |
Accurate level sensor |
Jan. 26, 1982 |
| 4172327 |
Attitude indicator for divers |
Oct. 30, 1979 |
| 4167818 |
Electronic inclination gauge |
Sep. 18, 1979 |
| 4121347 |
Device for setting and retaining a fixed direction |
Oct. 24, 1978 |
| 3946494 |
Toroidal electrolytic angle transducer |
Mar. 30, 1976 |
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