| |
 |
|
Class Information
Number: 340/620
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Fluent material > Material level > Liquid > Electrode probe
Description: Subject matter having a sensor containing one or more conductive elements for passing current through the liquid.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7561057 |
Method and apparatus for detecting severity of water leaks |
Jul. 14, 2009 |
| 7561040 |
Wireless probe system and method for a fueling environment |
Jul. 14, 2009 |
| 7487793 |
Valve assembly with overfill protection device and capacitive liquid level gauge |
Feb. 10, 2009 |
| 7471206 |
Float assembly light indicator for Christmas tree stand |
Dec. 30, 2008 |
| 7466236 |
Device for judging types of liquid in container and control method therefor |
Dec. 16, 2008 |
| 7451646 |
Device and method for resonant high-speed microscopic impedance probe |
Nov. 18, 2008 |
| 7417552 |
Flood alarm |
Aug. 26, 2008 |
| 7387023 |
Method and apparatus to reject electrical interference in a capacitive liquid level sensor system |
Jun. 17, 2008 |
| 7373817 |
Solid state fluid level sensor |
May. 20, 2008 |
| 7304583 |
Device for detecting a defined filling level of a medium in a container |
Dec. 4, 2007 |
| 7295126 |
Perforated plane moisture sensor |
Nov. 13, 2007 |
| 7284428 |
Sensor housing for use in a storage vessel |
Oct. 23, 2007 |
| 7271729 |
Novelty moisture detector for plants |
Sep. 18, 2007 |
| 7260988 |
Fuel level sender circuit with alternating current direction |
Aug. 28, 2007 |
| 7239246 |
System and method for detecting water leakage |
Jul. 3, 2007 |
| 7232077 |
Fluid level sensing apparatus and method for a spray applicator |
Jun. 19, 2007 |
| 7191647 |
Method and apparatus to reject electrical interference in a capacitive liquid level sensor system |
Mar. 20, 2007 |
| 7182017 |
Beverage server with beverage detector |
Feb. 27, 2007 |
| 7161492 |
Mechanical self-cleaning probe via a jiggler |
Jan. 9, 2007 |
| 7145465 |
Liquid level sensor having a virtual ring |
Dec. 5, 2006 |
| 7135981 |
Fuel level variation detector for marine vehicle |
Nov. 14, 2006 |
| 7126486 |
Method and apparatus for moisture detection in exterior sheathing of residential and commercial buildings |
Oct. 24, 2006 |
| 7111510 |
Liquid level detection device |
Sep. 26, 2006 |
| 7095330 |
Disposable liquid level sensor having a virtual ring |
Aug. 22, 2006 |
| 7042362 |
Apparatus for monitoring leakage of process cooling water in furnace |
May. 9, 2006 |
| 7036224 |
Method of making fluid sensor probe |
May. 2, 2006 |
| 6998990 |
Auto shutoff overflow controller |
Feb. 14, 2006 |
| 6988641 |
Brewed iced tea or non-carbonated drink dispenser |
Jan. 24, 2006 |
| 6989755 |
Signal transmission device and method |
Jan. 24, 2006 |
| 6975216 |
System and method for indicating fluid condition |
Dec. 13, 2005 |
| 6972685 |
Liquid level sensor |
Dec. 6, 2005 |
| 6964278 |
Non-invasive gauge glass liquid level sensor apparatus |
Nov. 15, 2005 |
| 6938476 |
Apparatus and methods for sensing fluid levels |
Sep. 6, 2005 |
| 6930609 |
Device and method for transmitting data between a sensor and an analyser unit |
Aug. 16, 2005 |
| 6930611 |
Water activated release triggering mechanism |
Aug. 16, 2005 |
| 6920787 |
Apparatus for determining and/or monitoring the filling level of a filling material in a container |
Jul. 26, 2005 |
| 6904800 |
Low-water cut-off system |
Jun. 14, 2005 |
| 6880397 |
Fluid level sensor |
Apr. 19, 2005 |
| 6873263 |
Water leak detection |
Mar. 29, 2005 |
| 6857313 |
Self-calibrating capacitance gauge |
Feb. 22, 2005 |
| 6853305 |
Air-conduit condensation sensor |
Feb. 8, 2005 |
| 6832516 |
Integral ultrasonic liquid level continuous transmitter with independent high-level discrete alarm point level |
Dec. 21, 2004 |
| 6832407 |
Moisture indicator for wet pick-up suction cleaner |
Dec. 21, 2004 |
| 6823730 |
Capacitive fill level measurement device |
Nov. 30, 2004 |
| 6823731 |
Liquid level sensing assembly and method for measuring using same |
Nov. 30, 2004 |
| 6819251 |
Measuring device |
Nov. 16, 2004 |
| 6812847 |
Moisture indicator for wet pick-up suction cleaner |
Nov. 2, 2004 |
| 6810902 |
Automatic water shut off system to prevent overflow of a plumbing device |
Nov. 2, 2004 |
| 6776900 |
Level measurement for grease separators |
Aug. 17, 2004 |
| 6761067 |
Scanning capacitive array sensor and method |
Jul. 13, 2004 |
|
|
|
