| 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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| 12/02/1992 | CN1066729A Composition of water checking paste |
| 12/01/1992 | US5167769 Particle level sensor |
| 12/01/1992 | US5167256 For measuring liquid under pressure |
| 12/01/1992 | US5167156 Level detecting device in a plastic fuel tank |
| 12/01/1992 | US5167155 Submersible liquid level measuring system and method of use |
| 12/01/1992 | US5167154 To sense the level of a liquid reaching predetermined point |
| 12/01/1992 | US5167153 Method of measuring physical phenomena using a distributed RTD |
| 12/01/1992 | US5167128 Suction accumulator and flood control system therefor |
| 12/01/1992 | US5167041 For use in a tub or spa |
| 12/01/1992 | CA1311028C Instrumentation and monitoring systems employing differential temperature |
| 11/26/1992 | WO1992020578A1 Method and apparatus for measuring rise in height of a liquid column |
| 11/25/1992 | EP0515326A1 A device for automatically topping up the lubricating oil in internal combustion engines |
| 11/25/1992 | EP0515254A1 Device for measuring liquid level in a tank |
| 11/25/1992 | EP0514590A2 Level measuring method |
| 11/25/1992 | EP0434705B1 Device for measuring activity and volume of radioactive liquids |
| 11/25/1992 | CN2123063U Semi-automatic cleaning device for water gauges |
| 11/24/1992 | US5166589 Level probe for a shaft furnace |
| 11/24/1992 | US5165157 Dipstick tube insertion and removal tool apparatus |
| 11/24/1992 | CA1310531C Optical part including integral combination of optical fiber and light emitting or receiving element and method of manufacturing the same |
| 11/24/1992 | CA1310504C Dielectric liquid level sensor and method |
| 11/19/1992 | EP0513955A2 Device for intermittently measuring a quantity over a long period of time |
| 11/19/1992 | DE4116355A1 Temp. measurement sensor for electrically conducting fluid, e.g. water - has additional level sensor with two electrodes, one of which can be rod-shaped temp. sensor |
| 11/18/1992 | CN2122381U Liquid level senser having external floater |
| 11/18/1992 | CN2122380U Probe of acoustic charge level instrument |
| 11/18/1992 | CN2122379U Self-floating indication tank gage |
| 11/18/1992 | CN1066327A Thermographic method for determing volume of concrete in mixing container |
| 11/17/1992 | US5165084 System and method for measuring changes in sea level |
| 11/17/1992 | US5164708 Single unit, multi signal, variable plane measuring and leveling device |
| 11/17/1992 | US5164608 Plural wavelength fiber optic liquid level sensor for multiple liquids |
| 11/17/1992 | US5164607 Fill sensor for paint gun used in an electrically isolated area |
| 11/17/1992 | US5164606 Material level sensor with removable optics |
| 11/17/1992 | US5164605 Fiber optic displacement sensor using fiber optic coil |
| 11/17/1992 | US5163479 Pressure equalizing system and valve |
| 11/17/1992 | US5163324 Bubbler liquid level sensing system |
| 11/17/1992 | US5163323 Ultrasonic distance measuring instrument |
| 11/12/1992 | WO1992020050A1 Capacitive liquid level sensor |
| 11/12/1992 | WO1992019939A1 Dynamic and contactless measurement of displacement or permittivity using a capacitive sensor |
| 11/12/1992 | DE4115207A1 Redundant anti-overfill device for liq. in open or pressurised container - has advance and main alarm probes in tubes sealed automatically by release of spring-loaded pistons |
| 11/11/1992 | CN2121681U Electromagnetic induction hydraulic level sensor and automatic balance float |
| 11/11/1992 | CN2121680U Hanging type hydraulic level sensor |
| 11/11/1992 | CN1066121A Dynamic and non-contact measurement of displacement or of permittivity by use of capacitive sensor |
| 11/10/1992 | US5161411 Material level indication |
| 11/09/1992 | CA2042120A1 Level indicator gauge |
| 11/05/1992 | DE4114537A1 Liquid, e.g. chemical plant waste, flow amount determn. - establishing alterations at surface of channel by measuring voltage produced in magnetic field of electromagnet lowered in flowing liquid |
| 11/04/1992 | EP0511352A1 Pump for windshield washer provided with level sensing device |
| 11/04/1992 | CN2121020U Digit capacitance level-sensing device |
| 11/04/1992 | CN2121019U Vertical float liquid control indicating device |
| 11/04/1992 | CN2121018U Hold double-colour water gage |
| 11/04/1992 | CN2121017U High-pressure steam manifold stage sensor |
| 11/03/1992 | US5159839 Apparatus for gauging high pressure gas, in particular the supply of oxygen gas on board an aircraft |
| 11/03/1992 | US5159838 Ultrasonically measuring selected physical parameters of a specimen |
| 11/03/1992 | US5159834 Device for optoelectronic interface measurement and refractometry in liquids |
| 10/29/1992 | WO1992018835A1 Ultrasonic detector, detection method for liquid media and ultrasonic transmitter control method |
| 10/29/1992 | DE4113509A1 Liquid level measurement arrangement, esp. for motor vehicle tanks - has transducer adjusted by float and lever arrangement and transducer housing positionally adjustable w.r.t. tank |
| 10/28/1992 | EP0510663A1 Device for detecting a liquid or a gas |
| 10/28/1992 | CN2120328U Waterlevel sensing device |
| 10/28/1992 | CN2120327U Built-in high-pressure fluid level transducer |
| 10/28/1992 | CN2120326U Transmission-reflection type wide-angle bicolor fluviograph |
| 10/27/1992 | US5159318 Universal single point liquid level sensor |
| 10/27/1992 | US5158748 Calibrated nozzle containing interior, exterior tube |
| 10/27/1992 | US5158362 Method for measuring the mass of liquid in a storage tank |
| 10/27/1992 | US5157968 Apparatus for measuring the specific gravity, weight, level, and/or volume of a liquid in a container |
| 10/27/1992 | CA1309316C Liquid level sender with linear float |
| 10/22/1992 | DE4112559A1 Liq. container with hydrostatic level sensor, esp. fuel tank - has jet pump for emptying measurement tube with blocking valve and differential pressure sensor and requiring no additional power |
| 10/22/1992 | DE4112553A1 Level indicator for underground pit mining - contains resistive chain with reed switches in slide tube for float moving with level of liq. in tank, level switch on tank stimulating resistive chain and accumulator in safe housing |
| 10/22/1992 | DE4112539A1 Fluid container with pump and float - has level indicator forming inverted U with pump avoiding extra fluid pipes |
| 10/21/1992 | EP0509747A1 Ink detecting device for a liquid-ink printing element |
| 10/21/1992 | EP0509532A2 Liquid level detector |
| 10/21/1992 | CN2119644U Household reservoir alarm |
| 10/21/1992 | CN2119643U Transmission-reflection type quantitative display bicolour water level gauge |
| 10/21/1992 | CN2119642U Simple transmission liquid leveler with double colours |
| 10/20/1992 | US5156298 Method and apparatus for detecting a limit of the usable portion of a batch of fluent material flowing in a conduit |
| 10/20/1992 | US5156197 Float type liquid level meter |
| 10/20/1992 | US5156055 Ascent rate meter for SCUBA divers |
| 10/20/1992 | US5156048 Electronic/magnetic apparatus and method for detecting fluid level |
| 10/20/1992 | US5156047 Water sensor that detects tanks or vessel leakage |
| 10/20/1992 | CA2001993C Tank gauge |
| 10/15/1992 | DE4111669A1 Gauge glass with coaxial joint esp. for barrel - has narrower return tube extending from gauge glass coupling through three-port junction into barrel outlet |
| 10/14/1992 | EP0508236A1 Position transducer |
| 10/14/1992 | EP0508143A2 Fluid level measuring device |
| 10/14/1992 | CN2118974U Float measuring belt tank gage |
| 10/14/1992 | CN2118973U Liquid level sampling device |
| 10/13/1992 | US5155472 Contact type liquid level sensing system |
| 10/13/1992 | US5154079 Remote indicator attachment kit |
| 10/13/1992 | US5154005 Dip stick guide, combination dip stick and dip stick holder |
| 10/10/1992 | CA2040037A1 Liquid level gauging system |
| 10/07/1992 | EP0507752A2 Apparatus for measuring and monitoring fluidodynamic parameters in two-phase mixtures |
| 10/06/1992 | US5153622 Pressure alarm for water-sealed camera |
| 10/06/1992 | US5153564 Leak damage prevention system |
| 10/06/1992 | US5152170 Universal fuel measuring device |
| 10/06/1992 | US5152049 Method of making a heated extended resistance temperature sensor |
| 10/01/1992 | DE4209885A1 Measuring or dosing predetermined very small volumes of liquid - taking from container by suction in nozzle tip fitted at nozzle and lowering of nozzle with blowing out of liquid surface detection or measuring gas by nozzle tip |
| 10/01/1992 | DE4208598A1 Automatic addn. of antifoaming agent - used to prevent excessive foaming of machine tool lubricating emulsion in filter system tank |
| 10/01/1992 | DE4110197A1 Tank with water level indicator for plant supply - has viewing sleeve with transparent part coupled to internal float |
| 09/30/1992 | EP0506283A2 Thermographic method for determining the volume of concrete in a mixing container |
| 09/30/1992 | EP0506266A2 Low liquid level warning system |
| 09/30/1992 | CN2117595U Photoelectrically liquid level controlling valve with float |
| 09/30/1992 | CN2117594U Electronic inductive charge level indicator |
| 09/30/1992 | CN2117593U Liquid level gauge with electric contact |
| 09/30/1992 | CN2117592U Liquid level monitor |