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Class Information
Number: 33/366.11
Name: Geometrical instruments > Indicator of direction of force traversing natural media > Level or plumb, terrestrial gravitation responsive > Electrically actuated signal or indicator
Description: Subject matter including means producing a humanly perceptive signal to a flow of electron, an element responsive to terrestrial gravitation, and wherein the terrestrial gravitation responsive element controls the humanly perceptive signal.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7610689 |
Level having rotatable digital display unit |
Nov. 3, 2009 |
| 7607999 |
Golf green reading device |
Oct. 27, 2009 |
| 7603786 |
Piezoelectric quartz level sensor |
Oct. 20, 2009 |
| 7568291 |
Automated leveling apparatus |
Aug. 4, 2009 |
| 7565748 |
Portable digital horizontal inclinometer |
Jul. 28, 2009 |
| 7562458 |
Device to reduce the incidence of aspiration |
Jul. 21, 2009 |
| 7562459 |
Method for entering commands and/or characters for a portable communication device equipped with a tilt sensor |
Jul. 21, 2009 |
| 7526870 |
Inclination sensor |
May. 5, 2009 |
| 7523560 |
Method and apparatus for detecting an electronic product being placed vertically of horizontally |
Apr. 28, 2009 |
| 7493702 |
Tilt control method |
Feb. 24, 2009 |
| 7472489 |
Rowing device, digital pitch meter and other devices |
Jan. 6, 2009 |
| 7428780 |
Viewing and display apparatus position determination algorithms |
Sep. 30, 2008 |
| 7421793 |
Tilt sensor and method of providing the same |
Sep. 9, 2008 |
| 7395604 |
Laser level with temperature control device and temperature control method thereof |
Jul. 8, 2008 |
| 7389591 |
Orientation-sensitive signal output |
Jun. 24, 2008 |
| 7380345 |
Portable digital horizontal inclinometer |
Jun. 3, 2008 |
| 7370429 |
Integrated electronic level device |
May. 13, 2008 |
| 7370428 |
Parking area level indication device |
May. 13, 2008 |
| 7353615 |
Anti-vibration tilt detector |
Apr. 8, 2008 |
| 7350303 |
Level, angle and distance measuring device |
Apr. 1, 2008 |
| 7350304 |
Automated leveling apparatus |
Apr. 1, 2008 |
| 7318283 |
Inclination sensor |
Jan. 15, 2008 |
| 7305771 |
Rotation sensor |
Dec. 11, 2007 |
| 7197829 |
Laser guided celestial identification device |
Apr. 3, 2007 |
| 7188426 |
Inclination sensor |
Mar. 13, 2007 |
| 7155833 |
Viewing and display apparatus position determination algorithms |
Jan. 2, 2007 |
| 7117607 |
Electronic inclinometer |
Oct. 10, 2006 |
| 7086165 |
System and method for managing power in an electronic device |
Aug. 8, 2006 |
| 7055254 |
Tiltsensor |
Jun. 6, 2006 |
| 7051447 |
System and method for measuring coordinate using multi-joint arm |
May. 30, 2006 |
| 7010862 |
Viewing and display apparatus position determination algorithms |
Mar. 14, 2006 |
| 6988321 |
Electrostatic capacitance tilt angle sensor |
Jan. 24, 2006 |
| 6987460 |
Orientation device |
Jan. 17, 2006 |
| 6981333 |
Ergonomic, interference signal-reducing position measurement probe for mutual alignment of bodies |
Jan. 3, 2006 |
| 6886287 |
Scope adjustment method and apparatus |
May. 3, 2005 |
| 6880258 |
Digital inclinometer and related methods |
Apr. 19, 2005 |
| 6880257 |
Signal sampling circuit of a tilt sensor |
Apr. 19, 2005 |
| 6871413 |
Miniaturized inclinometer for angle measurement with accurate measurement indicator |
Mar. 29, 2005 |
| 6836972 |
Electronic level with audible and visual indicators |
Jan. 4, 2005 |
| 6829835 |
Lifting vehicle |
Dec. 14, 2004 |
| 6810596 |
Drill level indicator |
Nov. 2, 2004 |
| 6802132 |
Electrolytic tilt sensor and method for manufacturing same |
Oct. 12, 2004 |
| 6800841 |
Tilt switch |
Oct. 5, 2004 |
| 6725554 |
Electronic spirit level for measurement of inclination-execution of electric resistors and conductors |
Apr. 27, 2004 |
| 6664534 |
Tilt sensing device and method for its operation |
Dec. 16, 2003 |
| 6634113 |
Tilt sensor and method of forming such device |
Oct. 21, 2003 |
| 6625896 |
Electrolytic tilt sensor and method for manufacturing same |
Sep. 30, 2003 |
| 6628373 |
Laser transmitter with thermally induced error compensation and method of transmitter compensation |
Sep. 30, 2003 |
| 6618951 |
Orientation sensor utilizing intra-pattern property measurements |
Sep. 16, 2003 |
| 6621560 |
Laser transmitter with thermally induced error compensation and method of transmitter compensation |
Sep. 16, 2003 |
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