| 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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| 01/15/1997 | EP0683887A4 Rejecting noise in magnetostrictive position detector by determining valid time range for propagation of reference sonic pulses. |
| 01/15/1997 | CN1140128A Rubber lining shaping mould and rubber lining process for liquid level meter pipe orifice and stock inlet and outlet of rubber-lined tank |
| 01/14/1997 | US5594449 Tank-contents level measuring assembly |
| 01/14/1997 | US5594352 For use in a system for measuring liquid stored in a tank |
| 01/14/1997 | US5593949 High temperature conductor probes for determining liquid level of cryogens |
| 01/14/1997 | CA2178064A1 Method and apparatus for aspirating and dispensing sample fluids |
| 01/10/1997 | WO1997013124A1 Method and measuring device for measuring hydrostatic pressure, in particular that of ground water |
| 01/08/1997 | CN2244714Y Oil overflow preventing alarm for horizontal oil tank |
| 01/07/1997 | US5590695 Manifold systems for high purity chemical delivery systems |
| 01/02/1997 | EP0751380A1 Device for establishing and/or monitoring a predetermined filling level in a container |
| 01/02/1997 | EP0751379A2 Device for oil level control in an electric motor drive with transmission |
| 01/02/1997 | EP0592584B1 A device for gauging the level of a fluid |
| 01/02/1997 | DE19624911A1 Fluid fuel tank with level indicator for preventing evaporation of fuel in vehicles |
| 01/02/1997 | DE19621760A1 Ultraschall-Flüssigkeitsniveaudetektor Ultrasonic liquid level detector |
| 01/02/1997 | DE19543352A1 Sounding system with cable for indicating depth of contents of container |
| 01/02/1997 | DE19523780A1 Leer-Erkennung eines Vorratsbehälters bei Dosiersystemen Empty recognition of a reservoir for dispensing |
| 01/02/1997 | DE19523234A1 Differential pressure sensor for pipeline system |
| 01/01/1997 | CN2244184Y Photoelectric probe for liquid level height measurement |
| 01/01/1997 | CN2244183Y Anti-corrosion device for liquid level gauge |
| 01/01/1997 | CN1139210A Detecting method and apparatus and sensing element thereof |
| 12/31/1996 | US5590091 Waveguide suspension device and modular construction for sonic waveguides |
| 12/31/1996 | US5589838 Short range radio locator system |
| 12/31/1996 | US5589823 Remote status indicator for holding tanks containing no moving parts |
| 12/31/1996 | US5588779 Sight, vent, and drain assembly for an underground tank |
| 12/31/1996 | US5588558 Located in the side of a helicopter fuselage |
| 12/31/1996 | US5588324 Method for determining the level of a submerged layer of liquified material |
| 12/31/1996 | CA2080073C Volumetric measuring/dispensing device |
| 12/27/1996 | EP0750181A1 Method and arrangement for measuring liquid level |
| 12/24/1996 | US5587969 Process for the recognition and separation of useful and interfering echoes in the received signals of distance sensors which operate in accordance with the pulse-echo principle |
| 12/24/1996 | US5587926 Refrigerated fluid sampling apparatus and method with variable volume sampling system |
| 12/24/1996 | US5586466 Non-slip sleeve for float level sensor shaft |
| 12/24/1996 | US5586445 Low refrigerant charge detection using a combined pressure/temperature sensor |
| 12/19/1996 | WO1996041136A1 Liquid level gauge assembly including potentiometer with conductive polymeric element |
| 12/19/1996 | WO1996041135A1 Two-wire level transmitter |
| 12/19/1996 | CA2223151A1 Two-wire level transmitter |
| 12/18/1996 | EP0748455A1 Triangular position detection method and apparatus |
| 12/18/1996 | CN2243079Y Dewatering oil-water interface signal transmitter for oil in oil tank |
| 12/18/1996 | CN1033605C Full-selaed supersonic level gauge driven magnetically |
| 12/18/1996 | CN1033604C Sectional capacitance object-position detecting method |
| 12/17/1996 | US5586085 Container and adaptor for use with fluid volume sensor |
| 12/17/1996 | US5585786 Optical tank-level gauge |
| 12/12/1996 | WO1996039612A1 Light beam range finder |
| 12/12/1996 | DE19621759A1 Flüssigkeitsniveau-Sensor A fluid level sensor |
| 12/12/1996 | DE19536983C1 Monitor of contents of container for plastics prodn. |
| 12/12/1996 | DE19520799A1 Fire extinguisher fill level monitoring method |
| 12/11/1996 | EP0747677A2 Integrated gauge, particularly for measuring and displaying functional parameters in electric power transformers |
| 12/11/1996 | EP0747676A2 Residential fuel oil level reporting device |
| 12/11/1996 | EP0747578A2 Liquid level indicator for vehicle tank |
| 12/11/1996 | EP0747153A1 Facility for casting molten metallic materials having a laser sensor device to control the level of molten metal |
| 12/11/1996 | EP0746764A1 Ultrasonic transducer system with temporal crosstalk isolation |
| 12/11/1996 | CN2242447Y Universal double color liquid level gauge |
| 12/10/1996 | US5583545 Ink level detection in a pressure regulated pen |
| 12/10/1996 | US5583544 Liquid level sensor for ink jet printers |
| 12/10/1996 | US5582798 Volume sensing device |
| 12/10/1996 | CA2097481C Method and an arrangement for distance measurement using the pulse transit time principle |
| 12/09/1996 | CA2177878A1 Method of measuring the quantity of fuel in a tank of a space vehicle such as a satellite |
| 12/05/1996 | WO1996038716A1 Process for finding the level of liquid in a tank, especially a motor vehicle fuel tank |
| 12/05/1996 | WO1996029575A3 Low power signal processing and measurement apparatus |
| 12/05/1996 | DE19618923A1 Method for measuring the height of a liquid level in continuous casting |
| 12/05/1996 | DE19520529A1 Measurement value transmitter appts. for filling level gauge unit |
| 12/05/1996 | DE19519712A1 Verfahren zum Ermitteln des Füllstandes eines Flüssigkeitstanks, insbesondere eines Kraftstofftanks eines Kraftfahrzeuges Method for determining the filling level of a liquid tank, particularly a fuel tank of a motor vehicle |
| 12/04/1996 | EP0745833A2 Liquid level sensor |
| 12/04/1996 | EP0745832A1 A volumetric fluid dispensing apparatus |
| 12/03/1996 | US5581342 Image forming apparatus with a removable waste toner collecting container |
| 12/03/1996 | US5581143 Twist vibrator |
| 12/03/1996 | US5581062 Side-mountable liquid level sensor assembly |
| 12/03/1996 | CA1338755C Grain level indicating float |
| 11/28/1996 | DE19539131C1 Appts. for determining fullness of human bladder |
| 11/27/1996 | EP0744296A1 Cooldown timing detection system for ink level detection in an inkjet cartridge |
| 11/27/1996 | CN2241325Y Capacity liquid level sensor |
| 11/26/1996 | US5578994 Liquid level switch |
| 11/26/1996 | US5577411 Molten metal sensing in a closed opaque vessel |
| 11/21/1996 | WO1996036970A1 Nuclear reactor coolant level monitoring system |
| 11/21/1996 | WO1996036851A1 Apparatus for the measurement of liquid flow |
| 11/21/1996 | WO1996030771A3 Narrow field electromagnetic sensor system and method |
| 11/21/1996 | WO1996029579A3 Method and apparatus for determining the quantity of a liquid in a container independent of its spatial orientation |
| 11/21/1996 | DE19517778A1 Pneumatic-electric level switch with flow duct for gaseous medium, e.g. for washing machine |
| 11/20/1996 | EP0742892A1 Noninvasive ultrasonic liquid level indicator |
| 11/20/1996 | CN2240715Y Magnetic display liquid level gauge |
| 11/20/1996 | CN2240714Y High-precision sampling measure tuble for steam manifold electric contact water level gauge |
| 11/19/1996 | US5576627 Narrow field electromagnetic sensor system and method |
| 11/19/1996 | US5576619 Method and apparatus using an electrical sensor for monitoring a moving medium |
| 11/14/1996 | WO1996035929A1 Capacitive level sensor |
| 11/14/1996 | WO1996035923A2 Acoustic transducer components |
| 11/14/1996 | DE19516789A1 Fill level monitoring device for reservoir tank, esp. blood reservoir connected to patient during surgery |
| 11/13/1996 | EP0741895A1 Hydraulic fluid lead detection system and method |
| 11/13/1996 | CN2240147Y Multitube liquid specific gravity and container level measuring unit |
| 11/13/1996 | CN2240140Y Photoelectric level determining and reading gauge |
| 11/13/1996 | CN2239816Y Multi-functional automatic predicator for transfusion |
| 11/13/1996 | CN1135790A Method of detecting residual quantity of gas in cassette type gas cylinder and apparatus thereof |
| 11/12/1996 | US5574484 Level detection for ink cartridges of ink-jet printers |
| 11/06/1996 | EP0740757A1 Chemical refill system for high purity chemicals |
| 11/06/1996 | CN2239615Y Float drift tank gauge |
| 11/05/1996 | US5572326 Arrangements for measuring the height of a layer of floating liquid |
| 11/04/1996 | WO1996035928A1 Illuminated fluid level indicator |
| 10/31/1996 | DE19612369A1 Welding unit with a current source, a welding torch and a cooling installation |
| 10/30/1996 | CN2239018Y Epiboly dielectric physical monitoring device |
| 10/29/1996 | US5569212 Apparatus for electrically determining injection doses in syringes |
| 10/29/1996 | US5568882 Precise volume fluid dispenser |
| 10/29/1996 | CA2094339C Level measurement using autocorrelation |