| Patents for G01F 23 - Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm (31,056) |
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| 08/18/2004 | EP1344028B1 Pipette system and pipette array |
| 08/18/2004 | CN2634515Y Civil water way monitor |
| 08/18/2004 | CN2634446Y Circuit for integrated photoelectric liquid sensor |
| 08/18/2004 | CN2634445Y 集成式光电液位传感器 Integrated Optical Level Sensor |
| 08/18/2004 | CN2634444Y High tepmerature smelting face automatic positioner |
| 08/18/2004 | CN1521389A Oil level detecting apparatus for an engine |
| 08/18/2004 | CN1521037A System for detecting residual amount of liquid in cabinet |
| 08/18/2004 | CN1162757C Developing device, processing unit and imaging device |
| 08/17/2004 | US6778672 Audio reception control arrangement and method for a vehicle |
| 08/17/2004 | US6777956 Capacitance measuring systems |
| 08/17/2004 | US6776900 Level measurement for grease separators |
| 08/17/2004 | US6776038 Self-generating differential pressure measurement for liquid nitrogen and other liquids |
| 08/17/2004 | US6776037 Microprocessor-based liquid sensor and ice detector |
| 08/12/2004 | WO2004068082A1 Method and arrangement for indirectly determining fill characteristics of a fluid tank on a marine vessel |
| 08/12/2004 | WO2003101022A3 Device and method for identifying a container |
| 08/12/2004 | US20040154393 Fluid level indicator dial assembly with magnetic calibration feature |
| 08/12/2004 | US20040154392 Device for determining and/or monitoring the level of a filled substance in a container |
| 08/12/2004 | DE202004004978U1 Hydrostatic tank level sensor has pressure pump with pressure sensor and non return valve directly mounted on the static tube with remote processor and display |
| 08/11/2004 | EP1445590A1 Liquid level sensor |
| 08/11/2004 | EP1445589A1 Liquid level detecting device |
| 08/11/2004 | EP1445588A2 Level measuring device and method for its insertion into a container |
| 08/11/2004 | EP1444488A1 Slot antenna |
| 08/11/2004 | EP1289401B1 Level indicator for indicating the filling level of a filter bag and method for operating a vacuum cleaner |
| 08/11/2004 | CN2632733Y Water level testing controller |
| 08/11/2004 | CN2632644Y Outbard liquid level sensor |
| 08/11/2004 | CN1161795C Fluid level measuring instrument for nuclear power plant |
| 08/11/2004 | CA2456712A1 A level-sensor device for a liquid-fuel tank, particularly for a system for supplying lpg to an internal-combustion engine |
| 08/10/2004 | US6775626 System for automatically selecting an oil pressure sensor processing algorithm based on oil pressure sensor type |
| 08/10/2004 | US6772733 Optically controlled IPCS circuitry |
| 08/10/2004 | US6772690 Method of and device for detecting amount of ink in ink fountain |
| 08/10/2004 | CA2138235C Optical liquid level sensor and discriminator |
| 08/05/2004 | WO2004065914A2 Measurement of entrained and dissolved gases in process flow lines |
| 08/05/2004 | WO2004065799A2 Fixing system for a measuring device for monitoring and/or determination of a filling level |
| 08/05/2004 | US20040150553 Method and device for determining the level of a filling in a container |
| 08/05/2004 | US20040150515 Night vision device for a vehicle |
| 08/05/2004 | US20040149896 Device and method for checking the level of moving transparent containers |
| 08/05/2004 | US20040149032 Liquid level sensor |
| 08/05/2004 | US20040149031 Bubble level meter and related method |
| 08/05/2004 | US20040149030 Device for determining and/or monitoring filling of a medium in a container |
| 08/05/2004 | US20040149015 System and method for verifying the integrity of the condition and operation of a pipetter device for manipulating fluid samples |
| 08/05/2004 | US20040149003 Method and arrangement for indirectly determining fill characteristics of a fluid tank on a marine vessel |
| 08/05/2004 | DE10302437A1 Liquid level monitoring device for monitoring the depth of a medium in a container, e.g. beer, which is liable to form a foam on its surface, whereby the device is able to detect different liquid states, i.e. both foam and liquid |
| 08/05/2004 | DE10301863A1 Level measurement device is inserted in an opening in a medium containing receptacle whereby a seal is formed between the two using a sealing ring that is pushed into a gap between the two using a follower |
| 08/05/2004 | DE10260088A1 Vorrichtung zur Bestimmung und/oder Überwachung mindestens einer physikalischen Größe mit einem Piezoantrieb zur Schwingungserregung und -detektion Apparatus for determining and / or monitoring at least one physical quantity with a piezoelectric actuator for vibration excitation and detection |
| 08/05/2004 | DE10159336B4 Verfahren zur Selbstjustierung eines Sensors sowie selbstjustierender Sensor A method for self-calibration of a sensor and self-adjusting sensor |
| 08/04/2004 | EP1443329A2 A method for simultaneously performing a plurality of assays |
| 08/04/2004 | EP1443315A1 Liquid level gauge with inflatable float |
| 08/04/2004 | CN2630809Y Multifunctional liquid level alarm |
| 08/04/2004 | CN1517685A Detection system for liquid level in tank |
| 08/04/2004 | CN1517684A Level meter |
| 08/04/2004 | CN1160548C Apparatus for measuring the level in container |
| 08/03/2004 | US6770883 Sample level detection system |
| 08/03/2004 | US6769805 Method of using a heater with a fiber optic string in a wellbore |
| 08/03/2004 | US6769804 Temperature measuring method, object detecting method and object detecting device with vibrating-type level sensor |
| 08/03/2004 | US6769671 Device and method for indicating the amount of water contained in a humidifier water bottle |
| 08/03/2004 | US6769300 Fill level measurement device and a method for operating such a fill level measurement device |
| 07/29/2004 | WO2004063679A1 Mass flow controller |
| 07/29/2004 | WO2004063675A2 Apparatus and method using an array of ultrasonic sensors for determining the velocity of a fluid within a pipe |
| 07/29/2004 | WO2004044618A3 Floating weather station |
| 07/29/2004 | US20040145534 Device for the optical representation of information on the actual operating state of a liquid system, and use of same |
| 07/29/2004 | US20040145510 Bottom reflector for a radar-based level gauge |
| 07/29/2004 | US20040145377 Linear position sensor utilizing time domain reflectometry |
| 07/29/2004 | US20040144173 Force detecting apparatus |
| 07/29/2004 | US20040144172 Liquid level gauge |
| 07/29/2004 | US20040144171 Apparatus and method of fluid level measurement |
| 07/29/2004 | US20040144170 Ultrasonic fuel-gauging system |
| 07/29/2004 | US20040143985 Fluid level measuring device having at least one compressible member |
| 07/29/2004 | DE10361640A1 Measurement arrangement for determining the filling level in drag buckets of bucket wheels for transport of media, e.g. sand-water mixtures, comprises both a position sensor for detecting a bucket and filling level sensors |
| 07/29/2004 | CA2513248A1 Apparatus and method using an array of ultrasonic sensors for determining the velocity of a fluid within a pipe |
| 07/28/2004 | EP1441277A2 Electronic control apparatus |
| 07/28/2004 | EP1440291A1 A position sensor |
| 07/28/2004 | CN2629006Y Downspout type liquid level meter and floating drum liquid level transmitter |
| 07/28/2004 | CN2629005Y Varistor liquid level sensor |
| 07/28/2004 | CN2629004Y 传感型水位计 Sensing type level gauge |
| 07/28/2004 | CN1515880A Liquid detecting piezoelectric device, liquid container and mounting module body |
| 07/28/2004 | CN1515418A Liquid container with liquid-consumed detecting device |
| 07/27/2004 | US6766688 Tank volatile liquid level or volume gauge |
| 07/27/2004 | US6766687 Device for determining the level of a medium in a container |
| 07/22/2004 | US20040143404 Method and apparatus for analyzing gas flow in a gas panel |
| 07/22/2004 | US20040140814 Level meter |
| 07/22/2004 | DE20317432U1 Scale for measuring the amount of head or foam on a container of beer and converting it to a measure of actual beer comprises a foam scale and a beer scale with lines linking the two |
| 07/22/2004 | DE202004007619U1 Conductive liquid level measurement device, has electrodes for level measurement joined together in electrode modules with associated module controllers and linked in turn to a central evaluation unit |
| 07/22/2004 | DE19922606B4 Anordnung aus einem Hohlleiter und einer Antenne Arrangement of a waveguide and antenna |
| 07/22/2004 | DE10328113A1 Operating device for the vibrating unit of a vibration resonator has a suppression unit that suppresses interference signals generated during recharging of a piezoelectric drive by its earthing during excitation signal flanks |
| 07/21/2004 | EP1438552A1 Method for calculating a temporal level signal |
| 07/21/2004 | EP1123489B1 Capacitive measuring device |
| 07/21/2004 | CN2627472Y Balancing arrangement for float type water meter |
| 07/21/2004 | CN2627471Y External ultrasonic liquidometer |
| 07/21/2004 | CN2627470Y Water level detecting device for ice-making machine of refrigerator |
| 07/21/2004 | CN2627469Y Drum-type fuel meter sensor |
| 07/21/2004 | CN1514929A Liquid level detecting device |
| 07/21/2004 | CN1514227A Three barrel compensating type evaporation and penetration measuring device |
| 07/21/2004 | CN1514212A Vehicle fuel quantity measuring device using power transmission sequence |
| 07/21/2004 | CN1514211A Monitoring method of liquid surface in medical transfusion bottle lowering to positioning point |
| 07/21/2004 | CN1158462C Oil level sight glass for compressor |
| 07/20/2004 | US6765524 Method and device for liquid level measurement |
| 07/20/2004 | US6764378 Point-of-use fluid regulating system for use in the chemical-mechanical planarization of semiconductor wafers |
| 07/20/2004 | US6763780 Fill level indicator for agricultural material bin |
| 07/20/2004 | US6763714 Method and apparatus for controlling the level of liquids |
| 07/20/2004 | US6763704 Foam detector for concentrator attachment for gas chromatograph |