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Class Information
Number: 73/304R
Name: Measuring and testing > Liquid level or depth gauge > Immersible electrode type
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7621181 |
Fluid level detector and analyzer |
Nov. 24, 2009 |
| 7610804 |
Electro-optic liquid level sensing system for aircraft beverage brewing |
Nov. 3, 2009 |
| 7603899 |
Apparatus and method for detecting liquid level with a probe |
Oct. 20, 2009 |
| 7600423 |
Volume or fluid level sensing system and method |
Oct. 13, 2009 |
| 7592946 |
Level measurement arrangement |
Sep. 22, 2009 |
| 7584656 |
Floatless rain gauge |
Sep. 8, 2009 |
| 7581437 |
Level sensor for granules in water |
Sep. 1, 2009 |
| 7571646 |
Electronic liquid level sensor |
Aug. 11, 2009 |
| 7568389 |
Liquid detecting apparatus, liquid-amount detecting apparatus, liquid detecting method, and liquid-amount detecting method |
Aug. 4, 2009 |
| 7561057 |
Method and apparatus for detecting severity of water leaks |
Jul. 14, 2009 |
| 7556326 |
Ink level sensor and method of use |
Jul. 7, 2009 |
| 7533566 |
Fluid measuring device |
May. 19, 2009 |
| 7525476 |
System and method for filling level determination |
Apr. 28, 2009 |
| 7523661 |
Methods and systems for liquid volumetric measurement |
Apr. 28, 2009 |
| 7506541 |
System and method for wirelessly determining fluid volume |
Mar. 24, 2009 |
| 7490513 |
Method for sensing levels of conductive liquids |
Feb. 17, 2009 |
| 7487676 |
Method of and apparatus for measuring a level of liquid in a reservoir, and apparatus for forming a layer on a substrate comprising a liquid level detector |
Feb. 10, 2009 |
| 7487677 |
Apparatus and methods for monitoring water consumption and filter usage |
Feb. 10, 2009 |
| 7467548 |
Radar level gauge system and coupling |
Dec. 23, 2008 |
| 7461550 |
Self-calibrating liquid level transmitter |
Dec. 9, 2008 |
| 7456752 |
Radio frequency identification sensor for fluid level |
Nov. 25, 2008 |
| 7446695 |
Precision pulse detection system for radar sensors |
Nov. 4, 2008 |
| 7441455 |
Apparatus for measuring and indicating the level and/or volume of a liquid stored in a container |
Oct. 28, 2008 |
| 7423436 |
Capacitive level measurement and detection device using high frequency voltage |
Sep. 9, 2008 |
| 7406865 |
Level measurement arrangement |
Aug. 5, 2008 |
| 7392699 |
Apparatus for use in measuring fluid levels |
Jul. 1, 2008 |
| 7392700 |
Method and system for determining fuel level |
Jul. 1, 2008 |
| 7378857 |
Methods and apparatuses for detecting the level of a liquid in a container |
May. 27, 2008 |
| 7373818 |
Fixing system for a measuring device for monitoring and/or determination of a filling level |
May. 20, 2008 |
| 7367231 |
Flexible guided wave level meter probe |
May. 6, 2008 |
| 7360418 |
Method and apparatus for sensing liquid level using baseline characteristic |
Apr. 22, 2008 |
| 7343798 |
Method, apparatus, hardware, and computer program product for a liquid level sensor |
Mar. 18, 2008 |
| 7334471 |
Liquid sensor and ice detector |
Feb. 26, 2008 |
| 7318344 |
Wireless swimming pool water level system |
Jan. 15, 2008 |
| 7318345 |
Method of measuring the height of a liquid using a high-frequency line probe |
Jan. 15, 2008 |
| 7307582 |
Method for determining a level of material with a two-wire radar sensor comprising intermittently operating circuitry components and a two-wire radar sensor |
Dec. 11, 2007 |
| 7304583 |
Device for detecting a defined filling level of a medium in a container |
Dec. 4, 2007 |
| 7293458 |
Electro-optic liquid level sensing system for aircraft beverage brewing |
Nov. 13, 2007 |
| 7284427 |
Self-calibrating liquid level transmitter |
Oct. 23, 2007 |
| 7284426 |
Measurement apparatus for measuring fuel capacity used in a fuel cell system |
Oct. 23, 2007 |
| 7282660 |
Machining fluid level detection device for wire cut electrical discharge machines |
Oct. 16, 2007 |
| 7260988 |
Fuel level sender circuit with alternating current direction |
Aug. 28, 2007 |
| 7249507 |
Fluid level sensor probe |
Jul. 31, 2007 |
| 7237435 |
Apparatus for use in measuring fluid levels |
Jul. 3, 2007 |
| 7222526 |
Liquid measurements using capacitive monitoring |
May. 29, 2007 |
| 7222527 |
Automatic level sensing device used in massage tub |
May. 29, 2007 |
| 7222528 |
Fluid level sensor |
May. 29, 2007 |
| 7219545 |
Sensor for levels of conductive liquids |
May. 22, 2007 |
| 7221280 |
Urinous wet alarm |
May. 22, 2007 |
| 7207219 |
Rod-shaped element for liquid level detection and corresponding device for liquid level detection |
Apr. 24, 2007 |
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