| 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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| 07/28/1992 | CA1305795C Volumetric leak detection system for underground storage tanks and the like |
| 07/28/1992 | CA1305794C Fuel energy quantification system |
| 07/28/1992 | CA1305770C Automatic control system for filling beverage containers |
| 07/23/1992 | WO1992012370A1 Pressure equalizing system and valve |
| 07/22/1992 | EP0474630A4 Apparatus and method for the self-levelling of liquid in a container |
| 07/22/1992 | CN2110863U Negative pressure type differential pressure microcomputer controller for material level |
| 07/21/1992 | US5132923 System for monitoring storage tanks |
| 07/21/1992 | US5132711 Recording apparatus |
| 07/21/1992 | US5132669 Level sensor with alarm |
| 07/21/1992 | US5131271 Ultrasonic level detector |
| 07/21/1992 | US5131234 Ice stock level detecting apparatus for ice making machines |
| 07/15/1992 | EP0494398A2 Material level indicating apparatus with status light and external test features |
| 07/15/1992 | CN1062787A Plate mica two-colour fluviograph |
| 07/14/1992 | US5129261 Three wire potentiometric liquid level sensor |
| 07/09/1992 | WO1992011514A1 Liquid level indicator |
| 07/09/1992 | WO1992011513A1 Device for indicating a certain liquid level in a container |
| 07/09/1992 | DE4100338A1 Measuring level of granular material in container - evaluating vibration properties of container, container wall or section of wall |
| 07/08/1992 | CN2109553U Electronic code water rule |
| 07/08/1992 | CN2109552U Colour light spot liquid level indicator alarm |
| 07/07/1992 | US5128656 Level detecting method and its apparatus |
| 07/07/1992 | US5127542 Process and apparatus for proportioning liquids |
| 07/07/1992 | US5127266 Methods for liquid measurement using quasi-static reference subsystem |
| 07/04/1992 | CA2040953A1 Multi-functional level probe mounting device |
| 07/02/1992 | DE4042257A1 Electrically conducting liquids level measurement - using discrete sensor positions, e.g. inform of metal surfaces along vertical bar |
| 07/02/1992 | DE4042077A1 Acoustic water level indicator for bath water overflow protection - has hollow body with pressure sensitive membrane activating audible warning device |
| 07/02/1992 | DE4042066A1 Appts. for measuring liq. level in container - comprising thermocouple element sensor, used in vehicle fuel tank |
| 07/02/1992 | DE4040897A1 IC engine crankcase sump oil level measurement appts. esp. for vehicle - contains two or more level sesors, outside sump on centre line whose average signal is displayed when engine is switched on |
| 07/01/1992 | EP0493339A1 Electrical level indicator for fuel tanks of motor vehicles and similar applications |
| 07/01/1992 | CN2108909U Float type liquid level gauge |
| 07/01/1992 | CN2108908U Pinion type force balance source device |
| 07/01/1992 | CN2108907U Aerosphere type ultrasonic material level gauge |
| 07/01/1992 | CN2108906U Continuous test, display, control and alarm senser for liquid level or level of fluent solid material |
| 07/01/1992 | CN2108905U Optical fiber liqud level sensor |
| 07/01/1992 | CN2108904U Glass tube bicolor fluid level gauge |
| 07/01/1992 | CN2108903U High-medium pressure bicolour fluid level gauge |
| 07/01/1992 | CN1062413A Water level gage with electrode alarm |
| 07/01/1992 | CN1017280B Distance measuring method and apparatus therefor |
| 06/30/1992 | US5125466 Product-dispensing method and apparatus |
| 06/30/1992 | US5125269 Sight glass |
| 06/25/1992 | WO1992010821A1 Dip stick resistive liquid level detector with adjustable stop |
| 06/25/1992 | DE4040660A1 Container liq. level monitor with float(s) - which is attached to rocker mechanism for operating reed contacts |
| 06/24/1992 | CN2108282U Float-type liquid level sensor |
| 06/24/1992 | CN2108281U High-temp. and high-pressure seizureproof magnetic float liquid-level sensor |
| 06/24/1992 | CN2108280U Liquid level and interface combination measurer |
| 06/23/1992 | US5124933 Method and apparatus for determining a quantity of liquid in a tank when at least one sensor is inoperative |
| 06/23/1992 | US5124686 Tank level alarm control system |
| 06/23/1992 | CA1304149C2 Automatic control system for filling beverage containers |
| 06/17/1992 | EP0490831A1 A wheel hub cap |
| 06/17/1992 | CN2107645U Liquid high-quality deformation trunformation device |
| 06/17/1992 | CN2107644U Liquid level illuminating type level display and sensor |
| 06/17/1992 | CN2107643U Solid material level meter |
| 06/16/1992 | US5122922 Variable capacitive sensor element |
| 06/16/1992 | US5121632 Point level switch |
| 06/16/1992 | US5121631 Shielded level sensing system |
| 06/16/1992 | US5121628 Ultrasonic detection system |
| 06/16/1992 | CA1303304C Engine oil dip stick indicator wiper |
| 06/11/1992 | WO1992009868A1 Measuring probe |
| 06/11/1992 | WO1992009867A1 Level sensing |
| 06/11/1992 | WO1992009749A1 Surface separator and dispersion apparatus |
| 06/11/1992 | CA2096721A1 Surface separator and dispersion apparatus |
| 06/11/1992 | CA2031844A1 Funnel having improved fill level indicator |
| 06/10/1992 | CN2107010U Integrated water level automonitor |
| 06/09/1992 | US5121340 Multi-level probe and system for measurement of physical conditions in liquid-containing tanks |
| 06/09/1992 | US5119676 Ultrasonic method and apparatus for determining water level in a closed vessel |
| 06/03/1992 | EP0488761A2 Quantitative liquid sampling instrument |
| 06/03/1992 | EP0487806A1 Level measuring device for liquified gases |
| 06/03/1992 | EP0319573B1 Liquid level sensing apparatus |
| 06/03/1992 | CN2106367U Diaphragm pressure sensor |
| 06/03/1992 | CN2106359U Hole type double colour water gage |
| 06/03/1992 | CN2106358U Foam level measuring pipe line of mass transfer tower |
| 06/03/1992 | CN1061660A Apparatus for measuring water bottom level and leakage of tank |
| 06/02/1992 | US5118940 Paper basis weight detector |
| 06/02/1992 | US5118628 Rain; selective flow to different cells for property determination |
| 06/02/1992 | US5117866 Air flow regulator for fuel measuring systems |
| 06/02/1992 | US5117693 Liquid level sensor |
| 05/29/1992 | WO1992008627A1 Pump for windshield washer provided with level sensing device |
| 05/29/1992 | WO1992008545A1 Sample pipetting method |
| 05/27/1992 | DE4037927A1 Stepwise level measurement arrangement - uses simple circuit contg. groups of capacitors with subgroups of parallel capacitors and digital comparison unit |
| 05/27/1992 | CN2105673U Metal tube glass plate type leveler |
| 05/27/1992 | CN1061476A Optical fibre and mercury liquid level sensor |
| 05/26/1992 | US5117399 Data processing and display for echo sounding data |
| 05/26/1992 | US5117216 Distributed RTD |
| 05/26/1992 | US5117115 Device for measuring the activity and volume of radioactive liquids |
| 05/26/1992 | US5116119 Method and apparatus for measuring liquid flow |
| 05/26/1992 | US5115679 Level measuring bubbler tube tip |
| 05/26/1992 | US5115574 Method and apparatus for measuring rise in height of a liquid column |
| 05/26/1992 | CA1301908C Acoustic range finding system |
| 05/26/1992 | CA1301884C Magnetic position sensor |
| 05/21/1992 | DE4037349A1 Directly measuring fuel flow to ship's engines - using measuring container, filled and emptied in phases to set threshold values to ascertain fuel consumption on gravimetric principle |
| 05/20/1992 | EP0486264A2 Acoustic adiabatic liquid quantity sensor |
| 05/20/1992 | EP0486098A1 Device for detecting a liquid level and syphon device therefor |
| 05/20/1992 | CN2105055U Liquid level wireless microcomputer remote detecting and controlling instrument |
| 05/20/1992 | CN2105054U L-35 ultrasonic material position meter |
| 05/20/1992 | CN2105053U Integrative transporter with indicating liquid level |
| 05/19/1992 | US5115242 In-furnace slag level measuring apparatus |
| 05/19/1992 | US5115218 Microwave process seal and method |
| 05/19/1992 | US5114907 High temperature ceramic superconductor |
| 05/19/1992 | US5113594 Oil level gauge |
| 05/19/1992 | CA1300995C2 Tank scale for a gas grill |
| 05/19/1992 | CA1300994C2 Burner assembly for a gas grill |