| 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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| 06/28/1994 | US5323654 Shielded sight glass |
| 06/28/1994 | US5323653 Fluid level detection apparatus |
| 06/28/1994 | US5323652 Thermochromic level indicator |
| 06/28/1994 | US5323620 Air conditioners |
| 06/23/1994 | WO1994014047A1 Transducer for the measurement of attributes of flowable media |
| 06/23/1994 | WO1994014037A1 Microwave-operated level gauge |
| 06/23/1994 | DE4339933A1 Contamination prevention system for sealed container |
| 06/23/1994 | DE4243206A1 Testing automatic filling system for correct filling of packages |
| 06/23/1994 | DE4242927A1 Optical sensor, e.g. for detecting liquids |
| 06/21/1994 | US5323361 Method and an arrangement for distance measurement using the pulse transit time principle |
| 06/21/1994 | CA2006480C Capacitive liquid level sensor |
| 06/15/1994 | EP0601884A2 Distance measuring arrangement |
| 06/15/1994 | EP0601867A1 Liquid supply control arrangement |
| 06/15/1994 | EP0558668A4 Level sensing |
| 06/15/1994 | CN2169123Y Digital floating level meter |
| 06/15/1994 | CN2169122Y Water level and temperature remote displayer with two wires |
| 06/15/1994 | CN2169121Y High temperature resisting rotor |
| 06/14/1994 | US5321633 Heat radiating type liquid level sensing system and the method therefor |
| 06/14/1994 | US5321630 Method of detecting a layer level condition |
| 06/14/1994 | US5321408 Microwave apparatus and method for ullage measurement of agitated fluids by spectral averaging |
| 06/14/1994 | US5319974 Ultrasonic level measuring system |
| 06/14/1994 | US5319973 Ultrasonic fuel level sensing device |
| 06/14/1994 | US5319972 Ultrasonic liquid level measurement system |
| 06/14/1994 | US5319964 Apparatus, method and system for monitoring fluid |
| 06/14/1994 | US5319954 Apparatus for detecting bubbles in reagent pipetting apparatus |
| 06/09/1994 | DE4241175A1 Pressure measuring system using float manometer - uses measuring rod attached to vertically displaced float cooperating with electrical, magnetic or photoelectric detector |
| 06/08/1994 | CN2168244Y Water-level detecting display |
| 06/07/1994 | US5319172 Microwave melting furnace for treating liquid |
| 06/05/1994 | CA2084604A1 Fluid handling |
| 06/01/1994 | EP0598892A1 Device for setting the filling level in vessel filling machines |
| 06/01/1994 | DE4318750C1 Container filling material level measuring and=or controlling system - has tubular and rod-shaped vibrating elements having same resonance frequency but vibrating counter phase and protruding in container |
| 06/01/1994 | DE4305310A1 Vehicle fuel tank contents measuring method - involves substitution of memorised average signal for actual signal when vehicle is restarted from rest on significant slope |
| 06/01/1994 | DE4239954A1 Dispensing liquid into bottles, esp. drinks into plastic bottles - involves filling with defined quantity or vol. then introducing residual amount depending on level sensor signal |
| 06/01/1994 | CN2167360Y Floating type liquid level indicating device |
| 06/01/1994 | CN2167359Y Liquid level indicating alarm for battery cell |
| 05/31/1994 | US5316035 Capacitive proximity monitoring device for corrosive atmosphere environment |
| 05/31/1994 | US5315880 Method for measuring fluid velocity by measuring the Doppler frequency shift or microwave signals |
| 05/31/1994 | US5315873 Liquid level detection apparatus and method thereof |
| 05/31/1994 | US5315872 Liquid level sensor for electrically conductive liquid |
| 05/31/1994 | US5315867 Apparatus for measuring the fraction of liquid fuel in a fuel tank |
| 05/25/1994 | CN2166425Y Anti-explosive liquid level alarm for oil tank |
| 05/25/1994 | CN2166424Y Anti-explosive two-wire liquid level analogue signal converter |
| 05/25/1994 | CN2166423Y Magnetic float tank gage with glass fibre reinforced plastic |
| 05/25/1994 | CN2166422Y Multi-way measuring apparatus for liquid level |
| 05/24/1994 | US5315563 External sealed intrusive mounting arrangement for a fuel level sensor |
| 05/24/1994 | US5314313 Water-sensing alarm for water-control systems |
| 05/24/1994 | US5313842 Pump station flowmeter with sudden high inflow change detector |
| 05/24/1994 | US5313834 Phased array sonic transducers for marine instrument |
| 05/18/1994 | EP0597685A2 Arrangements for measuring the height of a layer of floating liquid |
| 05/18/1994 | EP0596966A1 Time gate ultrasonic sensor and method |
| 05/18/1994 | CN2165429Y Self-adaptive pressure float |
| 05/18/1994 | CN2165428Y Supersonic charge level monitor for uncharging for cement shaft kiln |
| 05/18/1994 | CN2165427Y Corrosion-resistant supersonic transducer |
| 05/18/1994 | CN2165426Y High precision supersonic liquid level gauge |
| 05/18/1994 | CN2165425Y Square inside groove glass tube |
| 05/18/1994 | CN2165424Y Wire and wireless remotecontrol multipurpose liquid level alarm device |
| 05/18/1994 | CN2165049Y Lack-of-water sensing structure for automotive radiator |
| 05/18/1994 | CN1086900A Vibrative powder storehouse powder position monitoring method and device |
| 05/17/1994 | US5313165 Temperature-compensated apparatus for monitoring current having controlled sensitivity to supply voltage |
| 05/17/1994 | US5311776 Pre-installation liquid level gauge assembly with thread protector |
| 05/11/1994 | WO1994010543A1 Transmitting measured parameters from a transducer |
| 05/11/1994 | DE4333753A1 Capacitive difference pressure sensor - has carrier supporting counter-electrodes between facing membranes carrying capacitor electrodes |
| 05/11/1994 | CN2164551Y Magnet force coupling type optic fibre liquid level meter |
| 05/11/1994 | CN2164550Y Infrared ray water level detector for water drinking machine |
| 05/10/1994 | USRE34601 Capacitive liquid sensor |
| 05/10/1994 | US5309764 Tank gauging system |
| 05/10/1994 | US5309763 Liquid-level gauging |
| 05/10/1994 | US5309760 Method and apparatus for measuring the content of a storage vessel |
| 05/05/1994 | DE4236320A1 Housing for vehicle oil-level sensor - has walls made of thermoplastic material with wire connectors passing through wall, sealed by own thermoplastic layer |
| 05/04/1994 | EP0595553A1 Improvements in and relating to position responsive apparatus |
| 05/04/1994 | EP0595389A1 Method of fabricating a liquid-tank equipped with a gauge, use of such a method for fabricating such a tank out of plastic material and resulting tank |
| 05/04/1994 | EP0437476B1 Vibrating strip transducer |
| 05/04/1994 | CN2164026Y Intelligent gamma ray continuous chrge level indicator |
| 05/04/1994 | CN2164025Y Hanging rod and chain type charge level indicator |
| 05/04/1994 | CN2164024Y Level-detecting photoelectric sensor |
| 05/04/1994 | CN1086311A Multi-way level-metering device |
| 05/04/1994 | CN1086310A Monofilm hydraulic relay |
| 05/03/1994 | US5307678 Material level probe having crimp seal |
| 05/03/1994 | CA2007649C Capacitive liquid sensor |
| 04/28/1994 | WO1994009340A1 Magnetostrictive linear position detector with axial coil torsional strain transducer |
| 04/27/1994 | EP0457801B1 Device at a radar level gauge |
| 04/27/1994 | CN2163373Y Measuring device having preventing error measurement for electrode fluviograph |
| 04/26/1994 | US5305639 LPG gauge sensor |
| 04/21/1994 | DE4244739A1 Admittance evaluating circuitry for variable measurement capacitance esp. for level gauge probe - includes evaluation circuit controlled by switching signal derived from oscillator and supplied via phase shifter to produce DC signal corresp. to admittance of capacitor |
| 04/21/1994 | DE4235243A1 Variable capacitor admittance measuring appts., esp. for level probe - contains oscillator supplying measurement capacitance and evaluation circuit controlled by switching signal derived from oscillator |
| 04/20/1994 | EP0593188A2 High resolution acoustic echo ranging system |
| 04/20/1994 | EP0593085A1 LPG gauge sensor |
| 04/20/1994 | EP0592584A1 A device for gauging the level of a fluid. |
| 04/20/1994 | CN2162646Y Buoy monitor for container liquid level |
| 04/19/1994 | US5305237 Method and apparatus for monitoring a flowable material in a transportable vessel |
| 04/19/1994 | US5304985 High pressure, high temperature sealing arrangement |
| 04/19/1994 | US5304347 Liquid transfer device for an analysis unit |
| 04/19/1994 | US5303586 Pressure or fluid level sensor |
| 04/19/1994 | US5303585 Fluid volume sensor |
| 04/19/1994 | US5303557 Method and apparatus for determining the phase of a fluid |
| 04/14/1994 | WO1994008255A1 Process for suppressing the influence of extraneous radiation on radioactive measurement processes |
| 04/14/1994 | WO1994008215A1 Device for determining and/or monitoring a predetermined level of contents of a container |
| 04/14/1994 | WO1994008214A1 Device for determining and/or monitoring a predetermined filling level |
| 04/14/1994 | WO1994008213A1 Device for securing a housing |
| 04/14/1994 | DE4234300A1 Container-tank full sensor-indicator using ultrasonic transceiver - stores fixed and false echo profile and subtracts from received signal to determine real amt. |