Patents
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)
11/1998
11/18/1998CN2297718Y Liquid detecting controller
11/18/1998CN2297717Y Measuring instrument for capacitance sensor liquid level
11/18/1998CN2297716Y Fully automatic pump-out controller
11/18/1998CN2297715Y Multi-sealing slide pipe liquid level gauge
11/18/1998CN1199461A Fuel gauging system for motor vehicle fuel tank
11/17/1998US5838241 For determining a level of immersion of a probe within a liquid
11/17/1998US5837898 Electromagnetic acoustic transducer (EMAT) for ultrasonic inspection of liquids in containers
11/17/1998US5836201 Methods and apparatus for measuring the flow rate of solvent recovery in solvent recovery dryers.
11/17/1998US5836192 Device for monitoring a predetermined level of a liquid in a container
11/12/1998DE19820167A1 Magnetoresistive wave guide conductor for position sensor
11/11/1998EP0792441A4 Self-calibrating open-channel flowmeter
11/11/1998EP0670048B1 Level measurement process based on the radar principle
11/11/1998CN1198527A Micro-difference pressure taking method for measuring liquid level
11/10/1998US5835613 Optical identification and monitoring system using pattern recognition for use with vehicles
11/10/1998US5835018 Low water level indicator
11/10/1998US5832772 Micropower RF material proximity sensor
11/10/1998US5832621 Dipstick light assembly
11/05/1998WO1998048874A1 Medical inhaler with thermochromic gauge
11/05/1998WO1998048866A1 Weight measurement of blood volume in soft-shell venous reservoirs
11/05/1998WO1998048677A1 Novelty article
11/05/1998CA2286550A1 Novelty article
11/04/1998EP0875772A2 Method and arrangement for distance measurement with electromagnetic waves using the pulse time of flight principle
11/04/1998EP0875742A1 Device for determining/monitoring of a predefined liquid level in a container
11/04/1998EP0875741A1 Device for determining/monitoring of a predefined liquid level in a container
11/04/1998EP0875740A1 Device for determining and/or monitoring of a predefined liquid level in a container
11/04/1998EP0875739A1 Device for determining and/or monitoring of a predefined liquid level in a container
11/04/1998EP0875738A1 Sensor mounting
11/04/1998EP0874977A1 Alcoholemia risk indication device
11/04/1998CN2296525Y Remote displayer for temperature and liquid level
11/04/1998CN2296521Y Float ball liquid level for recovery water pool
11/03/1998US5831536 Fuel tank alarm system
11/03/1998US5831268 Apparatus for non-contact measurement of distance to a liquid surface
11/03/1998US5831154 Process for determining a liquid quantity, particularly an engine oil quantity in a motor vehicle
11/03/1998US5829303 Method and apparatus for measuring a liquid level using a liquid level gauge having reed switches to determine the position of a magnetic float
11/03/1998US5829153 Lockable cap assembly
10/1998
10/30/1998CA2234906A1 Apparatus for establishing and/or monitoring a predetermined filling level in a container
10/29/1998WO1998048261A1 Monitoring dust deposition
10/28/1998EP0874289A2 Toner powder level sensing using element and pulse signal and toner powder presence sensing using piezoelectric film
10/28/1998EP0874227A2 Cleaning device for the oil dipstick of an automobile
10/28/1998EP0873243A1 Method and device for determining the quantity of product present in a reservoir, notably that of ink in an image forming device
10/28/1998CN2295995Y Float against being attached to wall
10/28/1998CN2295994Y Magnetic coupling remote level inspector
10/27/1998US5827985 Sensor apparatus for process measurement
10/27/1998US5827962 Hydraulic brake fluid reservoir level indicator system
10/27/1998US5827943 Method for calibration in level measurement
10/27/1998US5827474 Apparatus and method for measuring the depth of molten steel and slag
10/27/1998US5826459 Remaining fuel amount measuring apparatus for a fuel tank
10/22/1998DE19715172A1 Coffee jug or other contained with liquid level indicator attached
10/21/1998EP0872717A1 Method for engine oil level measurement
10/21/1998EP0872282A2 Filter centrifuge
10/21/1998EP0871849A1 Process and device for determining the level of a fluid using ultrasonic pulses
10/21/1998CN1196479A Automatic test for metal liquid level slag thickness by moving electrode method
10/20/1998US5824980 Switch-actuating, liquid-level sensor
10/20/1998US5824916 System for measuring the volume and rate of flow of a media
10/20/1998US5823045 Measuring blood volume in soft-shell venous resevoirs by displacement
10/15/1998WO1998045673A1 Multiple sensor plate assembly
10/15/1998WO1998045672A1 Apparatus for capacitive electrical detection
10/15/1998DE19718526C1 System for determining fuel content of motor vehicle storage tank
10/15/1998DE19715276A1 Filling level sensor, especially for automobile
10/14/1998EP0871019A1 Method and device for detecting overflow in a measuring device of a level in a container according to the pulse transit time method
10/14/1998CN2294462Y Radar liquid level gauge
10/14/1998CN2294461Y 脉冲输出式电子量筒 Pulse output electronic cylinder
10/13/1998US5822275 Method and apparatus for fixed target echo suppression in distance measurement on the principle of pulse transit time
10/13/1998US5822274 Method and apparatus for acoustically measuring the level of liquid in a tank
10/13/1998US5821864 Wireless interface probe apparatus and method
10/13/1998US5821428 For viewing the flow of material
10/13/1998US5819582 Slow wave time-domain reflectometer point level sensor
10/13/1998US5819547 Refrigerator having a water dispensing system in which a water reservoir is automatically refilled when its water level is low
10/10/1998CA2232919A1 Multiple sensor plate assembly
10/08/1998WO1998044320A1 Disposable electromagnetic fluid level sensor
10/08/1998WO1998043720A1 Interface detection and control systems and methods
10/08/1998DE19808940A1 System for determining quality of fluid in chamber
10/08/1998DE19714168A1 Device for hydrostatic filling measurement in pressure container
10/08/1998DE19713785A1 Method to determine specified liquid level
10/07/1998EP0869339A1 Automobile fuel level indicator
10/07/1998EP0868653A1 System for measuring differential pressure, flow, and level
10/07/1998EP0840759A4 Block copolymers
10/07/1998CN2293807Y Float level meter
10/07/1998CN2293806Y Magnetic suspension chromatic circle level (flow) meter
10/07/1998CN2293805Y Capacitive bin level sensor
10/07/1998CN2293804Y Capacity continuous detection level meter
10/07/1998CN2293803Y Water tank water level observer
10/07/1998CN2293802Y Plate type mica double-colour fluviograph
10/07/1998CA2202004A1 Level detector for solids
10/06/1998CA2149896C A radar-based method of level measurement
10/01/1998WO1998043053A1 Process and apparatus for determining the position of a liquid level with respect to an abstraction pipe
10/01/1998WO1998043052A1 Optical height of fill detection system and associated methods
10/01/1998DE19736331A1 Measurement device for determining fill level of hopper for gas-powder mixture
09/1998
09/30/1998EP0867695A2 Method and device for detecting the degree of filling of formworks with concrete, as well as its compacting, by exploiting its electrical properties
09/30/1998EP0842440A4 Short range radio locator system
09/30/1998CN2293057Y Float level gauge
09/30/1998CN2293056Y 可调电阻式液位传感器 Adjustable resistance level sensor
09/30/1998CN2293055Y Opto-electronic coupled AC multi-liquid level measuring device
09/30/1998CN2293054Y Weight type intelligent charge level probe unit
09/30/1998CN2293053Y Charge level control probe
09/29/1998US5815091 Position encoder
09/29/1998US5815079 Device for establishing and/or monitoring a predetermined filling level in a container
09/29/1998US5814830 Liquid gauging apparatus with a magnetoresistive sensor and remote sensor interrogration
09/24/1998DE19755470A1 Anzeigesystem für Fahrzeuge Display system for vehicles
09/23/1998EP0866336A1 Liquid suction examination method and dispensation apparatus driving-controlled by the same