Class 222/51 - Float-level indicators

Subclass of Class 222 - Dispensing
Definition: Dispensers in which the information device is a float level
No. of patents: 39
Last issue date: 08/16/2011

Number	Title	Issue Date
7997445	Refillable material transfer system A material transfer system for storing, transferring and dispensing viscous material, such as fluids and liquids, includes a material containment vessel with an upper region incorporating a motive force and a bottom region with a material ingress and egress opening....	08/16/2011
7954666	Airpot and dispenser liquid level float An airpot or dispenser liquid level float, provided for vertically shifting upon the air tubes of an airpot or other dispenser, the float incorporate a pivotally mounted indicator, for viewing through a view window of the dispenser, for furnishing and indication as ...	06/07/2011
7377162	Method and apparatus for liquid level sensing A liquid level sensing arrangement for a tank may include a float having a disc-like shape and a sensor that detects a position of the float relative to the tank. The float may have an overall height/total displacement ratio of 0.5 or less. The float may have a rang...	05/27/2008
7259384	Fluid level optical detector with float having opaque and transmissive portions Systems and methods for fluid level detection are disclosed. In one embodiment, a sensor assembly includes at least one optical fiber adapted to at least one of transmit and receive an optical signal, and a moveable float member. The float member is adapted to move ...	08/21/2007
7163125	Carafe with contents volume indicator An inexpensive, readily visible indicator for liquid levels in a vacuum bottle that includes a coating of reflective material to minimize radiation heat transfer from the interior of the vacuum bottle to the exterior of the assembly. The vacuum bottle assembly inclu...	01/16/2007
7147014	Smart tree stand with water filling device A smart water filling device comprising: a vessel, having an outlet and a space extended outwardly from one side of the vessel; a tube, one side coupled to the outlet; a float device, having a housing and a float, wherein the float is disposed inside the housing and...	12/12/2006
7116236	Oil tank sight glass monitor An oil tank sight glass monitor comprising a housing having an opening therein sized to receive the sight glass of an oil tank; an emitter for emitting a beam of light, the emitter being mounted to the housing on one side of the opening so that the beam of light is ...	10/03/2006
6955169	Inhaler device A device used with fluid canisters comprising a transparent body allowing the viewing of movement within the body having a minor and major cavity with a float indicator and float seat within the minor cavity. An inhaler top and bottom fits each end of the body formi...	10/18/2005
6626332	Method and device for the controlled dispensing of cleansing foam The invention relates to a dispenser for foamable liquids which has been improved with regard to the aspects of hygiene and reliability. According to the method, in addition to the pneumatic and hydraulic parts of the dispenser having a configuration whic...	09/30/2003
6311547	Sensor for detecting leaks in a liquid hydrocarbon dispenser The invention concerns a sensor for detecting leaks in a liquid hydrocarbon dispenser, said sensor comprising a sealed plate arranged at the dispenser base and provided with a collecting container for receiving said liquid hydrocarbons collected by said s...	11/06/2001
6131769	Apparatus for detecting low liquid level in bottom-draining container An apparatus for is disclosed for detecting low liquid level in a bottom-draining container (12), the apparatus including a spout (14, 48) extended outwardly from the container, the spout having a central bore (18) through which liquid can drain from a bo...	10/17/2000
6076703	Dispensing device and container assembly comprising such device The invention relates to a device coupled to a fluid container. The device contains a fluid inlet and a fluid outlet and is capable of dispensing fluid into the fluid container. The device also contains an alarm to warn a user that the container is substa...	06/20/2000
6041966	Enclosure for a bottom draining container A valve assembly and a bottom-draining container having the valve assembly. The valve assembly comprising a first body member, a guide member supported by the first body member so that the guide member will extend upward into the container, and a float mo...	03/28/2000
6040776	Collection of process effluent Described herein is an alarm system for use with a `bag-in-box` arrangement (10) which is used to collect effluent from a processing apparatus (20). The alarm system comprises a chamber (50) located between the processing apparatus (20) and the `bag-in-bo...	03/21/2000
6012606	Apparatus for detecting low liquid level in bottom-draining container An apparatus for is disclosed for detecting low liquid level in a bottom-draining container (12), the apparatus including a spout (14, 48) extended outwardly from the container, the spout having a central bore (18) through which liquid can drain from a bo...	01/11/2000
5850938	System and method for storing compounds A system for storing, circulating and dispensing a liquid compound is disclosed. The system comprises a vessel having an open top end and a closed bottom end, with the compound being disposed within the vessel. A movable ceiling member is positioned withi...	12/22/1998
5842603	Postmix juice dispenser A postmix juice dispenser for use with a disposable juice concentrate package that includes an integral progressive cavity pump and a mixing nozzle. The dispenser can read a product I.D. label on the package to automatically change ratios as packages are ...	12/01/1998
5615801	Juice concentrate package for postmix dispenser A disposable and recyclable juice concentrate package for a postmix juice dispenser includes a package housing connected to an integral mixing nozzle. The package housing includes a concentrate container housing sealed to a pump housing. A progressive cav...	04/01/1997
5465874	Portable multi-compartment chemical storage and mixing tank A portable holding and mixing tank system for at least two dissimilar liquids includes a tank having an interior space and a dividing wall which establishes at least two fluid-isolated holding compartments within the tank interior space for respectively h...	11/14/1995
5413248	Maple syrup dispenser A bottle for storing and dispensing maple syrup and like fluids comprising, in combination a one piece container having a generally circular horizontal bottom wall and upstanding side walls of an uneven contour horizontally, vertically, axially and circum...	05/09/1995
5299713	Automatic liquid soap supply device An automatic liquid soap supply device is formed of: a plurality of sub-units each having a use detection circuit for detecting the use of a liquid soap supply tap and a pump driving circuit connected with the use detection circuit, pumps each disposed to...	04/05/1994
5273187	Dispenser A dispenser wherein a predetermined amount of a dispensing material within a syringe barrel is dispensed from a nozzle thereof by sliding axially a plunger to a prescribed distance toward the nozzle, the plunger being housed in an axially displaceable man...	12/28/1993
5100024	Gasoline collector pit box and submersible unit box An apparatus and a method for collecting in seal containers the gasoline that leaks or spills from service station dispensers or submersible pumps help to reduce the pollution associated with such equipment. The apparatus and the method also provide for r...	03/31/1992
4971225	Gasoline collector pit box and submersible unit box An apparatus and a method for collecting in seal containers the gasoline that leaks or spills from service station dispensers or submersible pumps help to reduce the pollution associated with such equipment. The apparatus and the method also provide for r...	11/20/1990
4921129	Liquid dispensing module A disposable liquid dispensing module in the form of a hollow plastic container for holding liquid, such as a cleaning solution or soap, has at least one liquid level sensing probe permanently mounted in it. The module is made to be inserted into a lavage...	05/01/1990
4889442	Writing instrument with ink quantity of level detecting function A writing instrument with ink quantity or level detecting function which has an ink tube containing ink, and a float so arranged in intimate contact with the rear end surface of the ink in the ink tube as to be driven in contact with the rear end surface ...	12/26/1989
4881088	Plotter pen ink level detector In a computer controlled automatic plotting device, an ink level detector is provided in a plotter pen cartridge. An ink-following object is provided in the plotter pin cartridge and is supported by the writing fluid. The ink-following object carries a ma...	11/14/1989
4865073	Liquid level control for refrigeration system A liquid level control in a refrigeration system operates a solenoid valve to maintain the level of liquid refrigerant in a vessel within a range defined by predetermined lower and upper liquid levels, sounds an alarm if the upper level is exceeded and st...	09/12/1989
4842163	Gasoline collector pit box and submersible unit box An apparatus and a method for collecting in seal containers the gasoline that leaks or spills from service station dispensers or submersible pumps help to reduce the pollution associated with such equipment. The apparatus and the method also provide for r...	06/27/1989
4752019	Combined dispensing head and level gauge A combined dispensing head and gauge for indicating the quantity of material in a container is disclosed. The combined dispensing head and gauge is comprised of a one-piece dispensing head which includes a dispensing head conduit, fiducial marks adjacent ...	06/21/1988
4714176	Liquid supply reservoir An improved liquid-supply reservoir in a liquid-using machine such as a copier is described. The improved reservoir is provided with a pipe and a liquid-level sensing device as one unit, which unit is detachably secured in an opening at the top of the res...	12/22/1987
4617802	Freezer apparatus New and unexpected control is achieved over the ratio of food ice mix/air directed from a food ice mix container to a freezer chamber. A one-way float valve is disposed within the channel between the food mix container and the freezer chamber. Float valve...	10/21/1986
4570823	Soap solution dispenser including indicator means for indicating the filling state thereof The soap solution dispenser contains a reservoir into which opens an outlet or outflow opening of a container. In the reservoir there is present a float body or float which is pivotably mounted and provided with at least one indicator flag. Conjointly wit...	02/18/1986
4513617	Storage tank gauging measuring apparatus A display apparatus which will numerically indicate the quantity of fluids removed from any tank or tanks by accepting the output from a unit inserted in each tank which varies in resistance from minimum to maximum as the tank moves from a full to an empt...	04/30/1985
4290537	Volume and temperature indicators for insulated air pot An insulated air pot for hot water and the like has a hinged circular cap on the top of which there are arcuate indicators showing the volume and temperature of the liquid in the pot. The volume indicator comprises an indicator hand coupled with the upper...	09/22/1981
4284210	Static metering pump A static metering pump includes a pair of tanks, electrically operated inlet and outlet valves, liquid level sensors and controls which permit the alternate filling of a first of the tanks while permitting the discharging of liquid from a second of the ta...	08/18/1981
4189126	Rim shield A rim shield is disclosed for use in conjunction with a porous mold in molding ceramic articles using a slip casting process. Use of the rim shield prevents the deposit of excess clay to the lip or rim of a molded article....	02/19/1980
4019659	Solids level indicator A solids-level indicator for small dissolving tanks including a transparent pipe secured on the top of the tank and a gauge member slideable in the transparent pipe and having a pad resting on the upper surface of the solid material. The transparent pipe ...	04/26/1977
4014010	Fluid-dispensing apparatus having level control and alarm means The apparatus comprises a flexible tube through which fluid flows from a supply, and a opaque ball which is adjustably disposed within the tube. When fluid is first fed through the tube, an air bubble forms, and the location of this bubble is set by squee...	03/22/1977

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Class 222/51 - Float-level indicators