Class 73/293 - With illumination

Subclass of Class 73 - Measuring and testing
Definition: Liquid level or depth gauges provided with means for illuminating
No. of applications: 26
Last issue date: 04/14/2011

Application No.	Application Title	Issue Date
20110084848	Illuminated Level An illuminated level has a housing containing a solid body pivotally mounted in the housing and forming a pendulum which can pivot to a first position in which the surface is accurately level. A light path is provided through the solid body having an exit opening at the...	04/14/2011
20110056290	SYSTEM AND METHOD FOR DETECTION OF LIQUID LEVEL IN A VESSEL A system and method for identifying the levels of one or more liquids in a vessel using an optical imager and one or more appropriately positioned light sources and an optical imager for capturing digital images of the illuminated vessel. A laser line generator is posit...	03/10/2011
20100281972	METHOD AND DEVICE FOR THE OPTICAL MEASUREMENT OF STATE VARIABLES AND THE LEVEL IN A CONTAINER FOR LIQUEFIED GASES, AND DEVICE THEREFOR A method and a device for optically determining state variables inside a container (1) for liquefied gases. In the method and device, light emitted by an illumination unit (2) travels within an optical waveguide (7, 9) to a contact point (33)...	11/11/2010
20100269584	ILLUMINATED SIGHT GLASS A sight assembly may include a body portion configured to couple between a first fluid transport segment and a second fluid transport segment. The body portion may define an aperture configured for fluid flow through an interior of the body portion. The sight assembly m...	10/28/2010
20100199747	GAS METER READING SYSTEM A gas meter reading system is provided that allows automated meter reading capability to be incorporated with sealed mechanical type gas meters. The reading system is mounted to the window of the meter adjacent to the measurement dial. The reading system senses the rota...	08/12/2010
20100032593	SYSTEM AND METHOD OF DETERMINING FLUID LEVELS IN CONTAINERS INCLUDING AN INFRARED DEVICE FOR DETECTING A FIRST VALUE ASSOCIATED WITH AN EMPTY PORTION OF A CONTAINER (AS AMENDED) A system and method of determining fluid levels in containers is disclosed. In a particular embodiment, a first value of infrared energy associated with an empty portion of a container is detected and the container is scanned to detect a second value of infrared energy ...	02/11/2010
20100000315	ELECTRO-OPTIC LIQUID LEVEL SENSING SYSTEM FOR AIRCRAFT BEVERAGE BREWING The electro-optic liquid level sensing system detects a level of liquid in a container having an upper opening, such as for a server container of a beverage maker for a transport system, such as for aircraft, trains, trucks, buses and the like. A support housing mates w...	01/07/2010
20090223290	OPTICALLY MONITORING FULLNESS OF FLUID CONTAINER A relative fullness of a fluid container is monitored by directing reference light at a bottom surface of the fluid container. The fluid container is designed so that the amount or pattern of reference light reflected from the fluid container varies in relation to the r...	09/10/2009
20090151447	LIQUID LEVEL DETECTION IN AN EMANATING DEVICE An emanation device comprises an emanation material container (10), an emanation section (20) and emanation material level indication means (14,16); wherein, the emanation material level indication means (14, 16) comprises a light source (...	06/18/2009
20090126482	Breathing gas supply visual broadcast apparatus A gas measurement apparatus can comprise a sensor and a processor, in an example. The sensor can measure a pressure condition of a gas tank, in an example. The processor can select at least one light source, the light source can be positioned or be of a distinct color t...	05/21/2009
20090107234	System and method for measuring liquid level by image The present invention relates to a system and a method for measuring liquid level by image, and more particularly to a system and a method for measuring liquid level by image, which is capable of measuring a liquid level accurately and automatically by photographing a p...	04/30/2009
20090013780	SINGLE LIGHT SOURCE UNIFORM PARALLEL LIGHT CURTAIN A continuous high resolution fluid level monitoring system is provided by embodiments of the present invention. This continuous high resolution fluid level monitoring system includes a unique fluid level sensor having a point light source, parabolic reflector, sensor ar...	01/15/2009
20080298843	LIQUID-LEVEL DETECTION DEVICE, IMAGE FORMING DEVICE, AND LIQUID CONTAINING DEVICE A liquid-level detection device detects the liquid level in the developer storing container for storing liquid developer, and includes a first water wheel, a first rotation detection mechanism, and first liquid-level detection device. The first water wheel is disposed i...	12/04/2008
20070234800	Level sensor A apparatus for sensing a surface of material in a storage container is provided. The apparatus comprises a housing, a motor assembly, a swing arm assembly, an optical assembly, a material surface detector, and an electronic control circuit. The motor assembly has a mot...	10/11/2007
20070144252	Solid-state illuminator for bi-color ported water level gauges A solid state illuminator and display are provided for bi-colored ported water level gauges suitable for use in high pressure steam drums or similar water/steam devices to facilitate making an accurate determination of water level in such devices. The illuminator includ...	06/28/2007
20070113645	Hydrometer/fluid level sensor A battery and battery condition indicator are provided with a seal as monolithic structures whereby the indicator is inserted in an opening in the battery and sealed there against via ribs in the battery confronted by a surface of the indicator and/or ribs on the indica...	05/24/2007
20070103322	Stored material detecting switch A stored material detecting switch includes: a hollow case; stored material detecting device accommodated in the case, for outputting a detection signal when the case is inclined at an angle equal to or more than a predetermined angle; and suspension member for suspendi...	05/10/2007
20060033630	Automated level indicator for liquids container An improved level indicator takes advantage of the universal visual impression of typical sight glasses, but without the disadvantages of a physical sight glass protruding from the main body of the reservoir. In addition, other quantities are measured, including two-pha...	02/16/2006
20060027018	Hydrometer/fluid level sensor A light transmissive body for a fluid condition indicator has a substantial length shaped as a cruciform in transverse cross-section. ...	02/09/2006
20060000277	Device for monitoring a beverage consumption level A device which detects or senses liquid level in a beverage containment vessel, and produces either light, audio or a data output based on the liquid level being equal to or less than a predetermined level. The device, in practice, preferably retains the shape of the be...	01/05/2006
20050284219	Solid state illuminator for bi-colour ported water level gauges A solid state illuminator and display means are provided for bi-coloured ported water level gauges suitable for use in high pressure steam drums or similar water/steam devices to facilitate making an accurate determination of water level in such a device. The illuminato...	12/29/2005
20050155425	Solid state illuminator for bi-colour ported water level gauges A solid state illuminator and display means are provided for bi-coloured ported water level gauges suitable for use in high pressure steam drums or similar water/steam devices to facilitate making an accurate determination of water level in such a device. The illuminato...	07/21/2005
20050092082	Solid state Illuminator for bi-coloured ported water level gauges A solid state illuminator and display means are provided for bi-coloured ported water level gauges suitable for use in high pressure steam drums or similar water/steam devices to facilitate making an accurate determination of water level in such a device. The illuminato...	05/05/2005
20050056091	LIQUID LEVEL GAGE AND ILLUMINATOR THEREFOR The present invention provides a liquid level gage and an illuminator therefor. One embodiment of the liquid level gage includes a housing, a liquid column, an illuminator, and a power supply. The housing has a first or front end and a second or rear end. The liquid col...	03/17/2005
20050056092	Liquid level indicator using lights An indicator assembly for indicating the level of liquid in a tank includes one or more columns of lights that are turned on or off as the level of liquid in the tank rises and falls. The lights may be turned on and off by the passage of a magnetic float that changes th...	03/17/2005
20050018007	Liquid accommodation container A prism of an ink tank has a function for reflecting light, which is incident from the outside, to the outside when no liquid is present in a liquid chamber and not reflecting the light, which is incident from the outside, to the outside when a liquid is present in the ...	01/27/2005

PatentStorm

Bizarre Patents

PatentStorm News

Class 73/293 - With illumination