| 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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| 03/21/1995 | US5400376 Ultrasonic fuel gauging system using state machine control | 
| 03/21/1995 | US5400253 Automated statistical inventory reconcilation system for convenience stores and auto/truck service stations | 
| 03/21/1995 | US5400010 Malfunction detector for an oil-fuel heat exchanger | 
| 03/21/1995 | US5399876 Optical point level sensor with lens | 
| 03/21/1995 | US5399875 Liquid gauging apparatus and remote sensor interrogation | 
| 03/21/1995 | US5398516 Method and apparatus for detecting an insufficiency of refrigerant in an airconditioning apparatus | 
| 03/16/1995 | DE4331184A1 Evaluating circuit | 
| 03/15/1995 | EP0642655A1 An apparatus for product/water interface measurement in a product storage tank. | 
| 03/15/1995 | CN2192030Y Vibratory charge level device | 
| 03/15/1995 | CN2192029Y Device for measuring storage fuel contents in oil cylinder | 
| 03/14/1995 | US5397995 RAM vent capacitance level probe with overfill leak detection capabilities | 
| 03/14/1995 | US5397460 Surface separator and dispersion apparatus | 
| 03/09/1995 | WO1995006858A1 Self test apparatus for ultrasonic sensor | 
| 03/08/1995 | CN2191418Y Double-tube following display type magnetic levelmeter | 
| 03/08/1995 | CN2191417Y Static levelmeter | 
| 03/08/1995 | CN2191416Y Glass plate for levelmeter | 
| 03/08/1995 | CN2191415Y Non-blind area glass levelmeter | 
| 03/07/1995 | US5396079 Fiber optic detector and depth sensor and method for doing same | 
| 03/07/1995 | US5394749 Method and apparatus for detecting the position of fluid-fluid interfaces | 
| 03/07/1995 | US5394748 Modular data acquisition system | 
| 03/02/1995 | WO1995006235A1 Thermo-chromatic detergent level indicator | 
| 03/02/1995 | WO1995005774A1 Measuring system and measuring sensor for measuring a quantity of urine | 
| 03/02/1995 | CA2169848A1 Measuring system and measuring sensor for measuring a quantity of urine | 
| 03/02/1995 | CA2169184A1 Thermo-chromatic detergent level indicator | 
| 03/01/1995 | EP0640483A2 Method and device for detecting the ink level in a cartridge | 
| 03/01/1995 | CN2190781Y Water level transmitter | 
| 03/01/1995 | CA2105227A1 Auger bin check | 
| 02/28/1995 | US5394344 For processing a data signal | 
| 02/28/1995 | US5393736 Cryogenic fluid level sensor | 
| 02/23/1995 | WO1995005583A1 Optic method for measuring of the level of the surface of a liquid | 
| 02/23/1995 | WO1995005532A2 Fluid level and temperature monitor and alarm system | 
| 02/23/1995 | DE4321754A1 Method for detecting the filling level of bulk goods containers set up distributed over an area, and arrangement for carrying out the method | 
| 02/22/1995 | EP0639757A1 Side-mountable liquid level sensor assembly | 
| 02/22/1995 | CN2190290Y Digital float level meter | 
| 02/22/1995 | CN2190289Y Differential water level meter with electric contacts | 
| 02/22/1995 | CN2190288Y Floating fuel gauge of motorcycles | 
| 02/22/1995 | CN2190287Y Metal level monitor with spot sampling | 
| 02/21/1995 | US5391839 Device for the electrically insulated attachment of a metallic probe electrode in the opening of a housing | 
| 02/21/1995 | US5390406 Process and apparatus for the partial filling of spacer frames with material | 
| 02/17/1995 | CA2104204A1 High water detector | 
| 02/16/1995 | DE4426686A1 Filling level measuring device for a liquid container, in particular a fuel container of a motor vehicle | 
| 02/16/1995 | DE4330747C1 Ultrasonic transducer and method for producing it | 
| 02/16/1995 | DE4327521A1 Method for determining the liquid level in aggressive and flowing media | 
| 02/16/1995 | DE4327333A1 Method for measuring the filling level of a liquid in a container, using the radar principle | 
| 02/16/1995 | DE4327291A1 Method and device for determining measurement variables which are representative of operating parameters of a centrifuge | 
| 02/16/1995 | DE4327167A1 Method and device for establishing a predetermined filling level in a container | 
| 02/14/1995 | US5389753 Feed control switch assembly | 
| 02/14/1995 | US5388501 Appliance for infusing a substance | 
| 02/09/1995 | WO1995004261A1 Self-adjusting capacitive level switch for a non-contact or contact sensing of media or objects | 
| 02/09/1995 | WO1995003904A1 Continuous casting ingot mould | 
| 02/08/1995 | EP0637373A1 Signal generating apparatus and method. | 
| 02/08/1995 | EP0442985B1 Compact head, signal enhancing magnetostrictive transducer | 
| 02/07/1995 | US5386736 Fluid tank with integral fluid quantity gauging | 
| 02/02/1995 | DE4325836A1 Apparatus for dispensing a free-flowing composition, preferably a primer fluid | 
| 02/02/1995 | DE4325467A1 Method and devices for determining discrete values of filling levels and levels with remote interrogation for media of limited high viscosity and for liquids, using a tracking control system | 
| 02/02/1995 | DE4325101A1 Measuring beaker for liquids | 
| 02/01/1995 | EP0520046B1 Telemeter, in particular for measuring the level in industrial tanks | 
| 01/31/1995 | US5385056 Pump station flowmeter | 
| 01/31/1995 | US5385044 Method of using a thermo-chromatic detergent level indicator | 
| 01/26/1995 | WO1995002805A1 A liquid level indicating device | 
| 01/26/1995 | WO1995002804A1 Measuring device | 
| 01/26/1995 | DE4324919A1 Device for indicating the filling level in a container | 
| 01/25/1995 | CN2188198Y 水位报警器 Water level alarm | 
| 01/24/1995 | US5383360 Column-type level indicator for tanks and the like, comprising means for its outward application | 
| 01/24/1995 | US5383359 Determining liquid fill fraction on a spacecraft | 
| 01/24/1995 | US5383338 In-line sight indicator | 
| 01/19/1995 | WO1995002177A1 Improvements in or relating to the measurement of bodies | 
| 01/19/1995 | DE4323735A1 Measuring device for registering the level of fluid media | 
| 01/17/1995 | US5381669 Overcharge-undercharge diagnostic system for air conditioner controller | 
| 01/12/1995 | DE4322088A1 Method and filling element for pouring a liquid substance into bottles, cans or similar containers | 
| 01/11/1995 | EP0633456A1 Liquid level sensing probe and control circuit | 
| 01/11/1995 | EP0511352B1 Pump for windshield washer provided with level sensing device | 
| 01/10/1995 | US5381022 Combined optical waveguide and prismatic liquid-level sensor | 
| 01/10/1995 | US5379658 Intrusive acoustic sensor mounting arrangement | 
| 01/10/1995 | US5379638 Method and device for detecting the fluid level in a tank | 
| 01/10/1995 | US5379637 Natural gas vehicle fuel gauge system | 
| 01/05/1995 | DE4336858C1 Feed unit with a filling level sensor | 
| 01/05/1995 | DE4318477A1 Device for measuring a mass flow | 
| 01/04/1995 | EP0632251A1 Deformation monitoring system for jig tool | 
| 01/04/1995 | EP0364577B1 Disconnection detection apparatus for lamps | 
| 01/04/1995 | CN2186913Y Pendulum bob type materials search unit | 
| 01/03/1995 | US5378993 Liquid sensing circuit | 
| 12/28/1994 | EP0630603A1 Signalling device for communicating reaching of a predetermined liquid level in a feed tank, in particular for electrically working apparatus | 
| 12/27/1994 | US5377114 Fuel oil meter verification and usage monitoring means for heating systems | 
| 12/22/1994 | WO1994029823A1 Apparatus and method for molten metal depth detection | 
| 12/22/1994 | WO1994029822A1 Device and installation for warning of clogging of roof rainwater outlets or the like | 
| 12/22/1994 | WO1994029679A1 Apparatus for monitoring liquid level, method and systems incorporating same | 
| 12/22/1994 | WO1994029678A1 Material level probe having crimp seal | 
| 12/22/1994 | DE4320357A1 Filling level transmitter for the limiting value registration of electrically or capacitively conductive liquids, and circuit arrangement suitable for its operation | 
| 12/22/1994 | DE4320039A1 Method and device for determining the presence and/or for measuring the properties (characteristics) of solid or liquid materials in a space | 
| 12/22/1994 | DE4319750A1 Method and device for the functional supervision of switching outputs, and their use | 
| 12/22/1994 | CA2142093A1 Apparatus and method for molten metal depth detection | 
| 12/21/1994 | EP0629859A1 Dispensing device | 
| 12/21/1994 | CN2185885Y 沥青液位传感器 Asphalt level sensor | 
| 12/21/1994 | CN1096623A Jig for detecting warp of pringed circuit board and method of producing printed circuit board | 
| 12/20/1994 | US5374991 Compact distance measuring interferometer | 
| 12/15/1994 | DE4331865C1 Container for liquids | 
| 12/14/1994 | EP0628793A1 Device for the measurement, control and/or detection of a liquid level in a container | 
| 12/14/1994 | CN2185425Y Automatic alarm sensor for level control | 
| 12/14/1994 | CN1096368A Magnet tracing type tank gage |