| 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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| 08/27/1985 | US4537061 For following the level of liquid in a tank |
| 08/21/1985 | EP0151753A2 Method and device for monitoring the liquid level in a vehicle tank |
| 08/20/1985 | US4536660 Flexible means for measuring liquid level |
| 08/20/1985 | US4535910 Tank cap for powered machine |
| 08/20/1985 | US4535628 Apparatus for level measurements |
| 08/20/1985 | US4535627 Method of and apparatus for determining the level of liquid in a vessel |
| 08/13/1985 | US4534217 Measuring the draft of a vessel |
| 08/13/1985 | CA1191717A1 Capacitance-type material level indicator and capacitance-type material level probe and method of manufacture |
| 08/13/1985 | CA1191716A1 Capacitance-type material level indicator |
| 08/07/1985 | EP0150670A2 Method and apparatus for measuring and controlling the level of molten metal |
| 08/06/1985 | US4532936 Automatic urine flow meter |
| 08/06/1985 | US4532800 Level indicator for liquid container with a follower |
| 08/06/1985 | US4532799 Liquid level sensor |
| 08/01/1985 | WO1985003360A2 Fiber optic structure and method for making |
| 08/01/1985 | WO1985003348A1 Fuel meter for vehicles |
| 07/31/1985 | EP0063584B1 Apparatus for measuring and indicating the fluid level in vessels |
| 07/30/1985 | US4532491 Liquid-level transmitter with bell jar housing for gasoline tanks |
| 07/30/1985 | US4531407 Fuel gauge for an automotive vehicle |
| 07/30/1985 | US4531406 Ultrasonic liquid quantity measuring apparatus |
| 07/30/1985 | US4531405 Method and device for measuring the level of a fluid inside of a container |
| 07/30/1985 | US4531293 Gauge for indicating quantity of mixture components to be added to a tank |
| 07/30/1985 | CA1191228A1 Breakover switch |
| 07/24/1985 | EP0149279A2 Level gauge |
| 07/24/1985 | EP0149132A1 Level signalizing device for bath-tubs |
| 07/23/1985 | US4530372 Liquid level controller |
| 07/23/1985 | CA1190762A1 Fibre optic level gauge and valve head provided with a fibre optic level gauge, for pressure vessels |
| 07/17/1985 | EP0148188A1 Wettable devices operational with aqueous liquids |
| 07/16/1985 | US4530045 Measurement and control system |
| 07/16/1985 | US4529029 Process for monitoring a continuous casting mold in operation |
| 07/16/1985 | US4528839 Transfer calibration system |
| 07/16/1985 | CA1190411A1 Liquid measuring devices |
| 07/10/1985 | EP0147891A2 Pouring spout |
| 07/09/1985 | US4527714 Pressure responsive hopper level detector system |
| 07/04/1985 | WO1985002904A1 Flat glass sight gauge |
| 07/03/1985 | EP0147184A2 Flat glass sight gauge |
| 07/03/1985 | EP0147038A1 Liquid level gauges |
| 07/02/1985 | US4527107 Liquid level measuring apparatus |
| 07/02/1985 | US4526035 Device for measuring a pressure difference within a pulsed column |
| 07/02/1985 | US4526033 Fill gauge for safety and waste disposal drums |
| 07/02/1985 | CA1189830A1 Container for delivery and/or collection of a liquid |
| 06/26/1985 | EP0145856A1 Measuring device |
| 06/25/1985 | US4525850 Fluid level sensor employing hot wire probe and digital sample and hold circuitry |
| 06/25/1985 | US4525792 Unidirectional capacitive fluid-gauging systems |
| 06/25/1985 | US4524618 Glass sight gauge for high pressure vessel |
| 06/25/1985 | US4524617 Fuel gauge for propane tank |
| 06/19/1985 | EP0145379A2 Tank level measuring system |
| 06/19/1985 | EP0144988A2 Apparatus for automatically filling a container with a liquid |
| 06/19/1985 | EP0144630A2 Applications of heat flux modulation of a temperature probe |
| 06/18/1985 | US4523472 Ultrasonic transceiver circuit |
| 06/18/1985 | US4523465 Wireless remote liquid level detector and indicator for well testing |
| 06/18/1985 | US4523460 Fluid measuring, testing and accounting system |
| 06/12/1985 | EP0144253A1 Thermal liquid level measuring device |
| 06/11/1985 | US4522228 Fluidic level control system |
| 06/11/1985 | CA1188786A1 Medical fluid measuring system |
| 06/11/1985 | CA1188541A1 Automatic urine flow meter |
| 06/11/1985 | CA1188540A1 Solids mass flow indication |
| 06/05/1985 | EP0143520A2 Level indicator for liquid container with a follower |
| 06/05/1985 | EP0143498A2 Measurement and/or sampling device for liquid metal and the probe used thereby |
| 06/05/1985 | EP0143167A1 Device for electrically measuring a liquid level |
| 06/04/1985 | US4521373 Liquid level sensor |
| 06/04/1985 | US4521371 Vessel liquid level indication |
| 06/04/1985 | US4520677 Solids mass flow indication with radiation |
| 06/04/1985 | US4520631 Method for controlling and optionally regulating the level of liquid P2 S5 in a cooling device |
| 05/29/1985 | EP0142499A1 Oil field lease management and security system and method therefor |
| 05/28/1985 | US4520359 Current frequency waveform transmitting on D.C. power lines |
| 05/28/1985 | US4520266 Radiation level detectors |
| 05/22/1985 | EP0142035A1 A fuel gauge for vehicles |
| 05/22/1985 | EP0141868A1 High resolution phototransparency image forming with photopolymers |
| 05/21/1985 | US4519012 Liquid quantity sensor of capacitor type and method of producing same |
| 05/21/1985 | US4518956 Electric liquid level detector |
| 05/15/1985 | EP0141115A2 Device for determining the surface profile of a shaft furnace charge |
| 05/14/1985 | USRE31884 Method for leakage measurement |
| 05/14/1985 | US4517547 Water-in-fuel sensor circuit and method |
| 05/14/1985 | CA1187151A1 Liquid gaging system multiplexing |
| 05/14/1985 | CA1186895A1 Magnetic liquid level indicator |
| 05/08/1985 | EP0140844A2 Level measuring device for liquids, particularly for controlling lubricant level in internal combustion engines |
| 05/08/1985 | EP0140747A1 Level measurement sensors |
| 05/08/1985 | EP0140403A1 Circuitry for a level meter with a sensing plate |
| 05/08/1985 | EP0139874A1 Circuit for thermo-electrical level measurement |
| 05/08/1985 | EP0139873A1 Liquid level detector |
| 05/08/1985 | EP0139725A1 Fluid discriminating apparatus |
| 05/07/1985 | US4515015 Capacitance level sensor for use with viscous, electrically conductive materials |
| 05/02/1985 | EP0139202A1 Apparatus for testing membrane filters, and apparatus for sterilizing liquids with use of membrane filter |
| 04/30/1985 | US4513617 Storage tank gauging measuring apparatus |
| 04/30/1985 | US4513616 Apparatus for monitoring the level of liquid by resistive wire |
| 04/25/1985 | WO1985001749A1 Molten metal filtration indicator |
| 04/24/1985 | EP0138541A1 Liquid level measurement |
| 04/24/1985 | EP0138256A2 Liquid level gauge |
| 04/23/1985 | US4513277 Low fuel indicator system |
| 04/23/1985 | US4512954 Crystal growing apparatus |
| 04/23/1985 | US4512190 Magnetically operated liquid level indicator |
| 04/23/1985 | US4512189 For detecting the liquid quantity in a tank |
| 04/23/1985 | US4512067 Method of making liquid container having electrode plates to detect liquid level by measuring capacitance |
| 04/16/1985 | US4511948 Two layer probe |
| 04/16/1985 | US4510690 Dipstick guide device for automotive vehicles |
| 04/11/1985 | WO1985001576A1 Container contents measuring apparatus |
| 04/09/1985 | US4509728 Molten metal filtration indicator |
| 04/09/1985 | US4509552 Gas gun for determining the liquid level of a well |
| 04/09/1985 | CA1185353A1 Sonic pressure volume measuring device |
| 04/03/1985 | EP0136200A1 Probe for measuring a liquid level in a reservoir or a conduit |