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Class 141/198 - Level or overflow responsive


Subclass of Class 141 - Fluent material handling, with receiver or receiver coacting means
Definition: Apparatus in which the element of control is responsive
No. of patents: 656
Last issue date: 05/01/2012


1                      
NumberTitleIssue Date
8167004Automatic liquid dispensers
An automatic liquid dispenser is disclosed wherein a liquid adjustor is disposed to prevent liquid from splashing outside of a receptacle, thereby saving the automatic liquid dispenser from being polluted with splashed liquid. A receptacle and level detector emits u...
05/01/2012
8100153Float valve apparatus
According to an aspect of the present invention, there is provided a float valve apparatus including: a housing including: a partition wall dividing an internal space into lower and upper spaces and having an opening therein; a ventilation pipe communicating the upp...
01/24/2012
8056589Overfill prevention control for fluid storage container
An overfill prevention device is provided for preventing overflow of a fluid storage tank. The overfill prevention device includes a filler cup designed to fit within the fill opening of the tank body and attach thereto. A seal that is adapted for receiving and seal...
11/15/2011
7950424Device and method for controlling the filling of a cup by a vending machine
A device for controlling the filling of a receptacle with liquid by a drink vending machine. The device includes visual marking device for marking the liquid fill level in the receptacle, a device for emitting a signal towards the receptacle, a device for receiving ...
05/31/2011
7886781Spill avoidance system and method
A system, for preventing overflow in a tank, fillable via a nozzle, includes a lower passage and an upper passage. An upper end of the lower passage receives a portion of fuel flow from the nozzle, and a lower end is in communication with the tank. The upper passage...
02/15/2011
7886780Method and apparatus for preventing drug reservoir overfill
A reservoir for an anesthetic vaporizer is disclosed herein. The reservoir includes an open interior and a high-pressure channel in communication with the open interior. The high-pressure channel is configured to transfer an anesthetic agent from a storage container...
02/15/2011
7866356Electrically controlled refueling vapor vent shutoff
A vapor emission control system includes an electrically operated shutoff valve in the fuel vapor vent recirculation line to the filler tube. The electrically operated valve is controlled by an electronic controller responsive to signals from a fuel level indicator ...
01/11/2011
7849890Apparatus for and methods of draining an enclosure
An assembly includes a sensor element operable to generate a signal in response to moisture being present at a predetermined level within a sealed housing, and a valve element coupled to the housing and, in response to the signal, operable to enable at least a porti...
12/14/2010
7753091Device and method for controlling the filling of a cup by a vending machine
A device for controlling the filling of a receptacle with liquid by a drink vending machine. The device includes visual marking device for marking the liquid fill level in the receptacle, a device for emitting a signal towards the receptacle, a device for receiving ...
07/13/2010
7748417Beer tender
An improved beer tender apparatus for hands-free drawing of beer, including an improved main pitcher support assembly having pivoting parallel support bar means depending from a base means and connected on one end to pivot about a pivot axis, pitcher support means c...
07/06/2010
7740032System and method for automatically filling a liquid receptacle
An automatic liquid filling system including a liquid supply, a liquid-retaining structure, and a filling apparatus in fluid communication with the liquid supply and the liquid-retaining structure. The filling apparatus is configured to automatically supply liquid t...
06/22/2010
7628181Apparatus for refilling inkjet cartridges and methods thereof
An integrated inkjet-cartridge refilling system that is comprised of an arrangement of mechanical, electrical, electronic, pneumatic, and software elements, which is used by an operator in a retail environment to automatically connect one of many types of inkjet car...
12/08/2009
7546854Device and method for controlling the filling of a cup by a vending machine
A device for controlling the filling of a receptacle with liquid by a drink vending machine. The device includes visual marking device for marking the liquid fill level in the receptacle, a device for emitting a signal towards the receptacle, a device for receiving ...
06/16/2009
7451789Tank car loading control and monitoring system and method
A system and method for automatically maximizing the quantity of a fluid which can be placed within a tank car having a maximum product weight based on the lesser of either an industry maximum product weight limit and a maximum calculated product weight at 2% outage...
11/18/2008
7441568Rechargeable dispensing head
An adhesive liquid dispensing apparatus includes a gun manifold, a dispensing module, and a dispensing orifice. The inlet port of the gun manifold is directly coupled with a reservoir of adhesive hot melt liquid that is fixedly attached to the manifold. The contents...
10/28/2008
7412994Fuel dispensing system and method
This application relates to a fuel dispensing system and method for safely regulating transfer of fuel between a fuel dispenser and a fuel recipient. The fuel dispensing system may be used, for example, to replenish electric vehicles that use refillable electrochemi...
08/19/2008
7392820Liquid shut-off valve
An automatic shut-off valve suitable for watering of batteries is disclosed. The valve is formed by a chamber having an inlet and an outlet. A seat surrounds the outlet. A spring biased piston within the cylinder is movable into and out of sealing engagement with th...
07/01/2008
7370565Apparatus for mixing explosive materials and for filling of ordnance
Described herein is apparatus for the mixing of explosive materials utilising a static mixer (26) for combining pre-mix explosive material and hardener prior to introducing the combined mixture into any ordnance (38). ...
05/13/2008
7367473Circuit for dispensing fluid products, in particular colouring agents, paints or similar fluid products
A circuit for dispensing fluid products, in particular coloring agents, paints and the like, comprises a pump (12) for delivering a fluid product, which pump can be activated selectively to send the fluid product to a dispensing duct (16) and a valve (...
05/06/2008
7367480Drink supply canister having a self-closing pressurization valve operable to receive a pressurization pin
A drink supply canister for beverage dispensing apparatus for a residential refrigerator. The beverage dispensing apparatus includes a drink supplier including a drink supply canister holder for holding a plurality of the drink supply canisters, and a plurality of v...
05/06/2008
7357142Apparatus for continuously aspirating a fluid from a fluid source
An apparatus for continuously aspirating a fluid from a fluid source. A vacuum source is operatively connected to a first container forming a first chamber and a second container forming a second chamber. A fluid collection tube provides communication between the fl...
04/15/2008
7353850Dispensing device for drinks
A dispensing device dispenses drinks or similar dosable liquid foodstuffs, especially coffee, milk, soft drinks or soups. The dispensing device includes an identification device for identifying a vertical height of a container for receiving the foodstuff and for emi...
04/08/2008
7353847Method of loading a particulate solid into a vessel
A method of loading a granulated solid into a vessel having a containment zone for the granulated solid. The method comprises providing in a bottom portion of the containment zone a first substantially vertical rigid columnar portion having a horizontal cross sectio...
04/08/2008
7343944High flow fuel inlet pipe
An improved elongated fuel inlet pipe having an opening on one end for inserting a fuel source and a plunger valve at an opposite end for permitting fluid to flow into a tank. The pipe has a plurality of slots in a top sidewall of the pipe, a movable closure over th...
03/18/2008
7331365Lavatory service shut-off valve
A shut off valve (10) is provided for use in an aircraft lavatory system (70) during maintenance sanitizing operations. The shut off valve includes an inlet passage (20) in intermittent fluid communication with an outlet passage (30) and ...
02/19/2008
7325577Tank venting system
A tank venting system includes a diaphragm valve movable to open and close a passageway leading to a fuel tank. The system also includes a fuel vapor recovery canister used to adsorb hydrocarbons associated with fuel vapor flowing through the passageway. ...
02/05/2008
7325408Method of controlling a refrigerator
A method of controlling a refrigerator having a shaved ice discharger to discharge shaved ice produced within the refrigerator to the outside. The refrigerator includes a shaved-ice maker equipped within a freezing compartment to produce shaved ice, a shaved ice dis...
02/05/2008
7308919Refill apparatus for multiple containers
A refill apparatus for multiple containers is provided, which comprises a single piece, integrally molded primary container for holding matter. The basin of the container is comprised of a bottom with a plurality of apertures that are arranged in rows and columns fo...
12/18/2007
7308917Beverage bottling plant for filling bottles with a liquid beverage material having a bottle filling machine with a filling valve for filling bottles with a liquid beverage
A beverage bottling plant and method for filling bottles with a liquid beverage material having a bottle filling machine with a filling valve for filling bottles with a liquid beverage. The filling valve having a gas cutoff element comprising a plurality of channels...
12/18/2007
7296599Pneumatic powder transport system
A method and apparatus for pneumatic powder transfer from a powder supply container to applications such as laser sintering systems. The method and apparatus use both constant and cyclic flows of a pressurized gas to fluidize and convey powders without the need for ...
11/20/2007
7295898Insect control apparatus and method
A method and apparatus for insect control by delivery of fluids combined from different sources is disclosed, wherein a first fluid is provided in a cartridge configured with a first fluid coupling and a first wireless transmitter (FWT), and a second fluid, or dilue...
11/13/2007
7293578Gauge assembly having a stop fill device
A gauge assembly includes an indicator for providing an indication of an amount of fluid in a tank and a stop-fill assembly for stopping the flow of fluid flowing into the tank once the fluid reaches a particular level. The gauge assembly has a shaft that rotates as...
11/13/2007
7290572Method for purging a high purity manifold
A method for purging a manifold for the delivery of a high purity chemical by injecting of a purge gas into the manifold under vacuum conditions. In one embodiment, the method comprises a first step of injecting a purge gas into the manifold at a first end while app...
11/06/2007
7291887Protection circuit for electrostatic discharge
A protection circuit protects an integrated circuit (“IC”) from peak voltages and includes a voltage divider coupled to a silicon controlled rectifier. The voltage divider allows for adjustment of the trigger voltage, trigger current, and holding voltage of the ...
11/06/2007
7287557Anesthetic tank of an anesthetic dispensing unit
An anesthetic tank (1) of an anesthetic dispensing unit is used especially for desflurane and has improved reliability of operation by mutually complementing level monitoring devices. The anesthetic tank (1) is equipped with a level tube (3) arr...
10/30/2007
7287556Gas cap proximity mounted fuel indicator
A fuel level indicator indicating a fuel level in a vehicle fuel tank and disposed proximate a cap for closing a refueling orifice extending from the fuel tank. The fuel indicator indicates the fuel level in response to a fuel level sender unit disposed in the fuel ...
10/30/2007
7284576Apparatus for filling receiving containers
A container filling apparatus for topping off receiving containers that are partially filled with an initial amount of a solution of a concentrate and a diluent includes a dispenser for discharging additional concentrate into the receiving container, the dispenser b...
10/23/2007
7281687In-flight refueling system and method for facilitating emergency separation of in-flight refueling system components
An in-flight refueling system and method are provided for facilitating the emergency separation of the components of a probe and drogue in-flight refueling. The in-flight refueling system and method provides a fuse device capable of being installed between, for inst...
10/16/2007
7272919Portable vacuum device
A portable vacuum device for extracting fluid in a container having an opening includes a handheld housing, a fluid extracting nozzle, a vacuum device and a sensor switch. The fluid extracting nozzle has a vacuum pressure corresponding to an interior pressure of the...
09/25/2007
7273077Apparatus and method of dispensing liquid crystal
An apparatus for dispensing liquid crystal material including a container containing liquid crystal material, a discharge pump drawing-in liquid crystal material and discharging the drawn liquid crystal material, a nozzle dispensing the discharged liquid crystal mat...
09/25/2007
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