| 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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| 05/15/1992 | CA2053948A1 Acoustic adiabatic liquid quantity sensor |
| 05/14/1992 | WO1992008963A1 Automatic fluid sampling and monitoring apparatus and method |
| 05/14/1992 | WO1992003833A3 Thin-film resistance temperature device |
| 05/14/1992 | CA2073512A1 Automatic fluid sampling and monitoring apparatus and method |
| 05/13/1992 | EP0484394A1 Sheathing and venting of resistance-tape level sensor |
| 05/13/1992 | CN1061092A Laser monitor for charge level |
| 05/12/1992 | US5111692 Temperature compensated liquid level and fluid flow sensor |
| 05/12/1992 | US5111691 Conductance/thermal limit control apparatus and method |
| 05/12/1992 | CA1300684C Determination of electrical capacitance and resistance |
| 05/06/1992 | EP0483566A2 Automatic quantity of urine-measuring apparatus |
| 05/06/1992 | CN2103795U Non-polarized electronic two-colour level meter for boiler |
| 05/06/1992 | CN2103794U Sensor for material level in container |
| 05/05/1992 | US5111222 Pressure alarm in water-sealed camera |
| 05/05/1992 | US5111201 System radio transmission of liquid level data and battery saving technique |
| 05/05/1992 | US5111188 Electronic fluid-level sensor with three state indicator |
| 04/29/1992 | EP0483019A2 Procedure and device for liquid lever measurement |
| 04/29/1992 | EP0483001A1 Device with a bottom float index to measure liquid level in a tank |
| 04/29/1992 | EP0482883A1 Liquid level sensor assembly |
| 04/29/1992 | EP0482380A2 Angle digitiser, in particular for a hydrometry measurement instrument |
| 04/29/1992 | EP0482173A1 Device for measuring and visualizing continously the relative concentration, at various locations, of containers holding liquids or other products |
| 04/29/1992 | EP0318545B1 Sonic system for measuring liquid height or level |
| 04/29/1992 | CN2103125U Frequency modulation corrosion-proof capacitance fluid level gauge |
| 04/29/1992 | CN2103124U Fluid level sense display device |
| 04/29/1992 | CN2103123U Hydraulic coal serosa flat fluid level gauge |
| 04/29/1992 | CN1016464B Level sensor system |
| 04/28/1992 | US5107898 Pressure equalizing system and valve |
| 04/28/1992 | US5107706 Level sensor device for household appliances |
| 04/22/1992 | CN2102500U Universal float liquid level gauge |
| 04/22/1992 | CN2102499U Optical column liquid level gauge |
| 04/22/1992 | CN1060433A Ink level control system for offset printing presses |
| 04/21/1992 | US5105974 Liquid level sensor cover for waste holding tank |
| 04/21/1992 | US5105757 Water gauge and method of use therefor |
| 04/21/1992 | US5105664 Glass oiler and plastic sump jug shields |
| 04/21/1992 | US5105663 Apparatus and method for measuring low fuel level in a fuel tank |
| 04/21/1992 | US5105662 Liquid level measurement system |
| 04/21/1992 | US5105661 Method of detecting a level of liquid in a moving cylindrical body |
| 04/15/1992 | EP0479836A1 Liquid-level detector for cryogenic liquids |
| 04/15/1992 | CN2101853U Observing glasses for metal and glass |
| 04/15/1992 | CN1060355A Limit liquid level sensing device with infrared sense |
| 04/15/1992 | CN1016283B Differential temp. sensor and instrumentation system incorporating same for detecting presence of water |
| 04/14/1992 | US5105124 Lamp failure detecting device |
| 04/14/1992 | US5105063 Fuel heating system utilizing a liquid level responsive thermistor selector |
| 04/14/1992 | US5104759 Electrophotographic light-sensitive material |
| 04/14/1992 | US5104056 Motor assembly |
| 04/14/1992 | US5103893 Method and apparatus for detecting level of molten metal |
| 04/14/1992 | US5103728 Ink level control system for offset printing presses |
| 04/14/1992 | US5103685 Wrist-worm rate of ascent/descent indicator |
| 04/14/1992 | US5103676 Method of noncontacting ultrasonic process monitoring |
| 04/14/1992 | US5103674 Liquid level indicator for high pressure, hostile environment |
| 04/14/1992 | US5103673 Fluid level indicator for small watercraft |
| 04/14/1992 | US5103672 Flexible transmitter and fluid level gauging probe |
| 04/14/1992 | US5103648 Oil level control system |
| 04/09/1992 | DE4031231A1 Measuring probe esp. for liq. level pick=up - supports vertical row of magnetically operated switches with assigned resistors forming potentiometer |
| 04/09/1992 | DE4031229A1 Liq. dispenser e.g. for oil - has riser with one magnetic switch corresp. to empty state and another to full state |
| 04/08/1992 | EP0478561A1 Automated flow rotameter |
| 04/08/1992 | CN2101218U Laser liquid level precise detector |
| 04/07/1992 | US5103368 Capacitive fluid level sensor |
| 04/07/1992 | CA1298630C Residential fuel-oil level reporting and alarm system |
| 04/02/1992 | WO1992005408A1 Apparatus for measuring water bottom level and leakage of a tank |
| 04/02/1992 | DE4032938C1 Filling level measurer for gasometer - uses liq.-filled container attached to movable dome of gasometer and connected to pressure sensor via flexible line |
| 04/02/1992 | DE4029620A1 Dispensing method e.g. for fluid, bulk or granular material - using variation of dispenser delivery rate from initial demand dependent value to reduce values near end of process |
| 04/01/1992 | EP0478069A1 Variable capacitive sensor element |
| 04/01/1992 | EP0478032A1 Electronic water-control device for ice-making machines |
| 04/01/1992 | EP0477851A2 Circuit for processing a heat loss dependent signal of a resistor and application thereof |
| 04/01/1992 | CN2100612U Sonar levelmeter |
| 04/01/1992 | CN2100611U Shower water level indicator |
| 04/01/1992 | CN2100610U High-temp. glass level monitor |
| 04/01/1992 | CN1016099B Apparatus for measuring charge level |
| 03/31/1992 | US5101327 Dipstick locator |
| 03/31/1992 | US5099691 Method for measuring length, and apparatus for implementing the method |
| 03/31/1992 | US5099688 Thermographic method for determining the volume of concrete in a mixing container |
| 03/31/1992 | US5099584 Verifying fluid reservoir levels |
| 03/31/1992 | CA1298378C System for data transmission |
| 03/26/1992 | DE4029951A1 Measuring height of metal bath - using electromagnetic light source reflected from surface and monitored in intensity sensor |
| 03/26/1992 | DE4029636A1 IC engine dipstick cleaning device - has contact and extended positions governed by dipstick movement |
| 03/25/1992 | EP0477034A1 Low salt level sensor |
| 03/25/1992 | EP0476738A1 Electronic device for controlling the level of the ice in a collecting container of a machine for making ice chips |
| 03/25/1992 | CN2099961U Magnetic liquid level display |
| 03/25/1992 | CN2099960U Infrared digital liquid-level sensor |
| 03/25/1992 | CN2099959U Photoelectric detector for automatic feeding of material bin |
| 03/25/1992 | CN2099958U Differential pressure sensor for automatic control of interface of liquid oils with water |
| 03/24/1992 | US5099454 Liquid presence detector having a composite waveguide for acoustic waves |
| 03/24/1992 | US5099124 Level detecting apparatus |
| 03/24/1992 | US5097703 Capacitive probe for use in a system for remotely measuring the level of fluids |
| 03/19/1992 | WO1992004605A1 Float actuated liquid level monitoring apparatus |
| 03/19/1992 | WO1991019191A3 Multi-level probe and system for measurement of physical conditions in liquid-containing tanks |
| 03/19/1992 | DE4122288A1 Arrangement for measuring liquid level, esp. oil in engine sump - is dip stick with stop in sump base defining measurement position and elastic seal in insertion aperture |
| 03/19/1992 | DE4029375A1 Control or switch unit for container level - admits fluid to control chamber to operate switch by lifting float |
| 03/18/1992 | EP0475832A2 Electronic measuring circuit comprising controlled power supply means for a resistive probe |
| 03/18/1992 | EP0475793A2 Device to measure liquid level in a reservoir, particularly for motor vehicle |
| 03/18/1992 | EP0474905A1 Level switch |
| 03/18/1992 | EP0474630A1 Apparatus and method for the self-levelling of liquid in a container |
| 03/18/1992 | CN2099305U Liquid level sensor |
| 03/18/1992 | CN2099304U Liquid level indicator used in petrochemicals |
| 03/18/1992 | CN1059597A Level-sensing device |
| 03/18/1992 | CN1015932B Torsion chain type level position transducer |
| 03/17/1992 | US5097248 Electrode for level detection |
| 03/17/1992 | US5095748 Sonic tank monitoring system |
| 03/17/1992 | US5095747 Cryogenic liquid level sensing apparatus |
| 03/17/1992 | US5095739 Tank leak detector |