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Class Information
Number: 73/313
Name: Measuring and testing > Liquid level or depth gauge > Float > With electrically controlled indicator
Description: Gauges having an indicator which is operated by the float through the medium of electrical means.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7621182 |
Sealed fuel level detector |
Nov. 24, 2009 |
| 7617725 |
Electric generator protection system |
Nov. 17, 2009 |
| 7610806 |
Electronic level gage assembly |
Nov. 3, 2009 |
| 7591178 |
Grounded wiper assembly for fuel sensor |
Sep. 22, 2009 |
| 7565837 |
Fuel level sensor variable resistor assembly |
Jul. 28, 2009 |
| 7562571 |
Device and method for detecting material by means of gravitational field analysis |
Jul. 21, 2009 |
| 7549333 |
Fluid level sender assembly and method of making a fluid level sender assembly |
Jun. 23, 2009 |
| 7536989 |
Fuel tank cover body |
May. 26, 2009 |
| 7484409 |
Fluid level switch |
Feb. 3, 2009 |
| 7467549 |
Electrostatic charge control for in-tank fuel module components |
Dec. 23, 2008 |
| 7467550 |
Fuel tank float arm assembly |
Dec. 23, 2008 |
| 7463021 |
Magnetostrictive sensitive element |
Dec. 9, 2008 |
| 7454969 |
Fuel density measuring device, system, and method using magnetostrictive probe bouyancy |
Nov. 25, 2008 |
| 7437929 |
Liquid level detector |
Oct. 21, 2008 |
| 7423541 |
Excessive product usage detection using a level monitoring system |
Sep. 9, 2008 |
| 7418861 |
Mechanically self actuated liquid level sensor |
Sep. 2, 2008 |
| 7409860 |
Fuel level measurement device |
Aug. 12, 2008 |
| 7398682 |
Low fluid level detector system |
Jul. 15, 2008 |
| 7377162 |
Method and apparatus for liquid level sensing |
May. 27, 2008 |
| 7350413 |
Liquid level detection apparatus |
Apr. 1, 2008 |
| 7343800 |
Linear position indicator system and method |
Mar. 18, 2008 |
| 7322234 |
Watertight fuel-gauge housing |
Jan. 29, 2008 |
| 7315165 |
Sensor element |
Jan. 1, 2008 |
| 7313956 |
Lubrication system |
Jan. 1, 2008 |
| 7304588 |
Monitoring technology |
Dec. 4, 2007 |
| 7278311 |
Liquid level and density measurement device |
Oct. 9, 2007 |
| 7251999 |
Level sensor for a fuel tank |
Aug. 7, 2007 |
| 7240550 |
Method and apparatus for material indentification by means of gravitational field analysis |
Jul. 10, 2007 |
| 7239129 |
Sensor based on the travel time principle with a detector unit for mechanically elastic waves |
Jul. 3, 2007 |
| 7225672 |
Liquid level sensor and method of manufacturing the same |
Jun. 5, 2007 |
| 7222529 |
Filling level sensor for a fuel tank of a motor vehicle |
May. 29, 2007 |
| 7216537 |
Fiber optic flammable liquid measuring system |
May. 15, 2007 |
| 7191648 |
Level gauge for oil-filled transformer, choke, or tap changer |
Mar. 20, 2007 |
| 7191649 |
Water level sensor |
Mar. 20, 2007 |
| 7188679 |
Remote fire extinguisher station inspection |
Mar. 13, 2007 |
| 7140247 |
Electrostatic charge control for in-tank fuel module components |
Nov. 28, 2006 |
| 7111510 |
Liquid level detection device |
Sep. 26, 2006 |
| 7082828 |
Laser measurement of liquid level in a holder |
Aug. 1, 2006 |
| 7077003 |
Liquid level sensor switch |
Jul. 18, 2006 |
| 7062966 |
Fuel level sensor |
Jun. 20, 2006 |
| 7055386 |
Fluid level indicator dial assembly with magnetic calibration feature |
Jun. 6, 2006 |
| 7043983 |
Horizontal liquid level measuring device |
May. 16, 2006 |
| 7043982 |
Fuel level sending unit and contact button for same |
May. 16, 2006 |
| 7013728 |
System for detecting level of liquid in tank |
Mar. 21, 2006 |
| 6990862 |
Hermetic fuel level sender having tank bottom referencing |
Jan. 31, 2006 |
| 6988406 |
System and method of liquid level detection |
Jan. 24, 2006 |
| 6983655 |
Vehicle cesspool lever sensor |
Jan. 10, 2006 |
| 6976394 |
Level transmitter |
Dec. 20, 2005 |
| 6973828 |
Liquid level sensor |
Dec. 13, 2005 |
| 6945108 |
Fuel level system for automobile |
Sep. 20, 2005 |
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