| 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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| 04/26/1983 | US4380933 Electrical control mercury monometer |
| 04/26/1983 | US4380841 Oil dip stick wiper unit |
| 04/20/1983 | EP0076930A1 Level measuring device for liquid nitrogen in isolated reservoirs |
| 04/19/1983 | US4380772 Low ink indication for ink jet print head |
| 04/19/1983 | US4380248 Equipment for the measurement of evaporation and/or precipitation |
| 04/14/1983 | WO1983001307A1 Measurement of the filling level |
| 04/13/1983 | EP0076766A1 Level checking devices for liquid in a container |
| 04/13/1983 | EP0076288A1 An arrangement for the distribution and/or extraction of signals. |
| 04/12/1983 | USRE31204 Sprinkler flow control systems |
| 04/12/1983 | US4379434 Liquid level sensor and alarm system |
| 04/06/1983 | EP0076120A2 Current generating circuit device for measuring cryogenic liquefied gas liquid level meter with superconductive wire |
| 04/05/1983 | US4378993 Method and apparatus for measuring height level of melting zone in blast furnace |
| 04/05/1983 | US4378854 Blood collection bag weighing device |
| 03/30/1983 | EP0075492A1 Ultrasonic control of filling a container |
| 03/30/1983 | EP0075457A1 Improvements in or relating to radiation level detectors |
| 03/30/1983 | EP0075153A2 Air-liquid supplying device for an endoscope |
| 03/23/1983 | EP0074728A1 Liquid level sensing circuitry |
| 03/23/1983 | EP0074491A1 Heated junction thermocouple level measurement apparatus |
| 03/22/1983 | US4377809 Liquid level system |
| 03/22/1983 | US4377550 Metal sheathed metallic oxide cable, such as magnesium oxide or aluminum oxide |
| 03/22/1983 | CA1143182A2 Grass sports surfaces and a method for maintaining them |
| 03/16/1983 | EP0074310A1 Device for the detection of the variation in height of the free level of a liquid in a closed space |
| 03/15/1983 | US4376490 Observing window device for liquid tanks |
| 03/09/1983 | EP0073449A2 Process for the batch-weighing of bulk material, and device for carrying out this process |
| 03/08/1983 | US4375839 Measuring device for weighing vehicle cargo |
| 03/08/1983 | US4375765 Level indicating device |
| 03/08/1983 | US4375764 Liquid level system |
| 03/03/1983 | WO1983000765A1 Fluid level and temperature sensor |
| 03/02/1983 | EP0073156A1 Apparatus for automatic measurement and collection of urinary output from a patient |
| 02/22/1983 | US4375020 Oscillating level indicator |
| 02/22/1983 | US4374445 Cleaning device for use with a dip stick |
| 02/17/1983 | WO1983000553A1 Sampling apparatus and related method |
| 02/15/1983 | US4373815 Method and apparatus for measuring leaks in liquid storage vessels |
| 02/15/1983 | US4373465 Visual fluid level indicator |
| 02/15/1983 | US4373390 Liquid gaging system compatible with multiple characterization of each sensor |
| 02/15/1983 | US4373389 Device for capacitive level measurement |
| 02/15/1983 | US4373388 Liquid level monitoring device |
| 02/08/1983 | CA1140847A1 Process and apparatus for thermal treatment of sludge |
| 02/01/1983 | US4371790 Fluid measuring system |
| 02/01/1983 | CA1140663A2 Automatic liquid level monitor |
| 02/01/1983 | CA1140648A1 Threshold detector for a condition indication |
| 02/01/1983 | CA1140405A1 Transmission filler assembly |
| 01/26/1983 | EP0070334A1 Liquid-level measurement |
| 01/25/1983 | CA1140249A1 Apparatus for determining and/or controlling a fixed filling level in a container |
| 01/25/1983 | CA1139963A1 Non intrusive fluid measuring system |
| 01/18/1983 | US4369368 Level measuring device |
| 01/18/1983 | US4368640 Liquid level sensing device |
| 01/18/1983 | US4368639 Liquid tank gauge |
| 01/18/1983 | US4368579 Locking cap for an oil gauge pipe |
| 01/14/1983 | EP0037419A4 Sensor for measuring leakage. |
| 01/12/1983 | EP0069246A2 A container for delivery and/or collection of a liquid |
| 01/11/1983 | CA1139396A1 Monitoring apparatus |
| 01/11/1983 | CA1139129A1 Device for measuring liquid level |
| 01/05/1983 | EP0068971A1 Light gauge for observing the level in a closed container, and hermetically sealed casings of a compressor having such a light gauge |
| 01/04/1983 | US4367462 Liquid level sensing circuitry |
| 01/04/1983 | CA1138670A1 Method for leakage measurement |
| 12/28/1982 | US4365788 Process and apparatus for determining the level of molten metal in a metallurgical vessel, the temperature of the molten metal and the extent of wear of the refractory lining of the vessel |
| 12/28/1982 | US4365510 Method and device for measuring the height of at least one separation layer in the material bed of a density sorting machine |
| 12/28/1982 | US4365509 System and method for determining the well load of a hopper suction dredge |
| 12/28/1982 | US4365489 Cleaning liquid level regulator for dry cleaning machines |
| 12/28/1982 | CA1138555A1 Level indicating device |
| 12/22/1982 | EP0067668A2 Apparatus for measuring a metal surface position |
| 12/22/1982 | EP0067348A2 Liquid level float gauge calibration means |
| 12/21/1982 | US4365165 Level measurement device |
| 12/21/1982 | US4364270 Device for pneumatically scanning the level of liquid in a container |
| 12/15/1982 | EP0066962A1 Liquid measuring devices |
| 12/14/1982 | US4363240 Liquid-level indicating window |
| 12/14/1982 | US4363239 Liquid gaging system contamination monitor |
| 12/14/1982 | CA1137617A1 Sound emission level detection |
| 12/14/1982 | CA1137588A1 Reservoirs having indicating devices for monitoring the level of the contents thereof |
| 12/09/1982 | WO1982004316A1 Fluid level indicator |
| 12/08/1982 | EP0066520A1 Device for measuring a pressure difference in a pulse column and its use in measuring the interface level and the density of the liquid medium |
| 12/08/1982 | EP0066516A1 Device for checking the coolant condition in a nuclear reactor |
| 12/07/1982 | US4362056 Digital indicating system for fuel quantity of a vehicle or the like |
| 12/07/1982 | CA1136885A1 Method and apparatus for the non-invasive determination of the characteristics of a segmented fluid stream |
| 12/01/1982 | EP0065798A1 Device for determining and displaying respectively the degree of filling and/or the kind of filler in a liquid gas tank, particularly an LPG tank in cars |
| 11/30/1982 | US4361835 Hall-cell liquid level detector |
| 11/30/1982 | US4361805 Magnetoresistive displacement sensor arrangement |
| 11/30/1982 | US4361039 Tank for transporting liquid material |
| 11/30/1982 | US4361038 Liquid level sensor |
| 11/30/1982 | US4361037 Device for electric monitoring of the level of a liquid in a container |
| 11/25/1982 | WO1982004122A1 An apparatus for level measurements |
| 11/25/1982 | WO1982004121A1 Nucleonic gauge for determining lubricant level in a joint and method |
| 11/23/1982 | USRE31089 Transducer system for continuous monitoring liquid levels in _storage tanks and the like |
| 11/23/1982 | US4359902 Liquid level gauge |
| 11/23/1982 | CA1136241A1 Detector for locating the interfacial boundary level between two liquids |
| 11/23/1982 | CA1135970A1 Attitude compensating indicator |
| 11/16/1982 | US4359211 Method of and apparatus for measuring level and characteristics of a slag layer overlying a metallurgical metal |
| 11/16/1982 | US4358960 Differential fiber optic proximity sensor |
| 11/16/1982 | US4358956 Liquid level indicator |
| 11/16/1982 | US4358955 Liquid level gauge |
| 11/09/1982 | US4358682 Neutron interface detector |
| 11/09/1982 | CA1135364A1 Method and apparatus for measuring the degree of fullness of a mill driven by an electric motor |
| 11/03/1982 | EP0063685A1 Liquid-level measuring system |
| 11/03/1982 | EP0063584A1 Apparatus for measuring and indicating the fluid level in vessels. |
| 11/02/1982 | US4356729 Fluid level detector |
| 11/02/1982 | US4356728 Device for measuring the level of a liquid |
| 11/02/1982 | CA1134640A1 Combined level indicator and hydrometer |
| 10/28/1982 | WO1982003715A1 An arrangement for the distribution and/or extraction of signals |
| 10/26/1982 | US4356480 Liquid level sensing circuitry |