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Class 137/208 - Plural units


Subclass of Class 137 - Fluid handling
Definition: Apparatus wherein a plurality of similarly functioning gas
No. of patents: 51
Last issue date: 02/21/2012


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NumberTitleIssue Date
8118052Method of forming a polyurethane foam
A method of forming polyurethane foam from a resin component and an isocyanate component includes the use of at least one control valve controlling a flow rate of at least one of the resin component and the isocyanate component. The method includes connecting lines ...
02/21/2012
7338606Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system
An arrangement and method for maintaining a minimum flow velocity in return piping receiving dirty coolant from a plurality of machine tools receiving filtered coolant from a filter apparatus. A bypass line diverts clean coolant into the return piping via a pressure...
03/04/2008
7278438Apparatus and process for refilling a bubbler
In order to evaporate a liquid substance (3) and convey it to a user, a bubbler (1) is provided, into which a carrier gas (7) is conveyed. When a minimum level (4) has been reached, an exact quantity of the substance (3) is refille...
10/09/2007
7275564Pigging ball valve
A pigging ball valve with a housing and ball core supported for rotation within the housing. The ball core sits on a valve seat, which is supported by a seat carrier. The valve seat carrier has three distinct diameters that locate the seat in the housing and thus pr...
10/02/2007
7172689Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system
An arrangement and method for maintaining a minimum flow velocity in return piping receiving dirty coolant from a plurality of machine tools receiving filtered coolant from a filter apparatus. A bypass line diverts clean coolant into the return piping via a pressure...
02/06/2007
7100631Multifunction passive and continuous fluid feeding system
The present invention is to provide a kind of multifunction passive and continuous fluid feeding system for external systems, the fluid-feed system including a storing and transmitting component, a measuring and regulating component, and a control unit characterized...
09/05/2006
7044152Apparatus for in-situ remediation using a closed delivery system
A pressurized delivery system for in-situ delivery of sub-soil remediation compounds to underground contaminated matter includes a liquid diaphragm pump connected to an inflow source of water, the pump being also in fluid communication with a plurality of bioslurry ...
05/16/2006
7013925Accumulator tank assembly and method
Some embodiments of the present invention provide an accumulator tank assembly and method in which a flexible bladder is received within an accumulator tank. The accumulator tank and the flexible bladder can each have an inlet aperture through which fluid is receive...
03/21/2006
7001466Systems and methods for automatic and continuous coating supply during optical fiber production
Systems and methods are disclosed for an automatic and continuous supply of coating material to a coating applicator in optical fiber fabrication. The present invention switches from one coating reservoir to another by way of a transitional period in which both coat...
02/21/2006
6971399Emergency supply system to supplant interrupted public and private utilities
An emergency utility backup system, for a building normally supplied with culinary water, electric power and natural gas by public utilities, includes at least one water storage reservoir having an upper input coupled to a public water utility main line; an electric...
12/06/2005
6945509Universal valve switch
A universal valve switch for signaling the operative state of a valve assembly is disclosed that is attached to the body of the valve assembly using a bracketing arrangement. The valve switch comprises a housing defining a chamber and an aperture formed through the ...
09/20/2005
6767188Constant output fluidic system
A device for conditioning of fluid to minimize pulses from a pump source. A pump drives fluid from a vented fluid reservoir through a system including a combination of an attenuation tank and one or more orifice. Fluid is pumped into a plenum chamber that supplies f...
07/27/2004
6736154Pressure vessel systems and methods for dispensing liquid chemical compositions
Apparatus and processes are presented to contact a dry, preferably high purity inert gas with a chemical composition in a pressure vessel, or a wetting composition, to form a wet inert gas, which is then used to pressurize the chemical composition out of the pressur...
05/18/2004
6615861Liquid cylinder manifold system
A dispensing system allows cryogenic liquid to be dispensed from either a primary bank manifold and associated cylinders or a secondary bank manifold and associated cylinders. Each manifold includes a gas header and a liquid header. The associated cylinde...
09/09/2003
6513187Continuous carpet cleaning system
A carpet cleaning system that delivers heated cleaning water from a truck to a carpet cleaning apparatus and an improved waste disposal tank designed to receive the waste water and deposit it into the toilet or sewer drain when the disposal tank is full. ...
02/04/2003
6378546Fresh water storage apparatus
A fresh water storage apparatus for providing an emergency supply of fresh water. The fresh water storage apparatus includes one or more tanks having a first end and,a second end; and also includes support members upon which the one or more tanks are moun...
04/30/2002
6267132Liquid delivery system and its use for the delivery of an ultrapure liquid
The liquid to be delivered leaves a container (3A, 3B) maintained at a first overpressure P1, from where it is transferred to an intermediate storage tank (11) maintained at a predetermined intermediate pressure P2>P1. Several small-volume delivery contai...
07/31/2001
6167899Water transporting device
A water transporting device has a sealed water tank, a water channel device, and a pressure reduction tank. The water channel device has a lowest water box, a plurality of water boxes, a highest water box, a plurality of chambers between two of the water ...
01/02/2001
6148846Waste liquid collection system
The waste liquid collection and transfer system includes at least one waste liquid transfer vessel that has a liquid input valve and a liquid output valve for controlling the flow of waste liquid therethrough. A pressurized gas liquid transfer system incl...
11/21/2000
6119735Filling of tanks with volatile liquids
A method of and apparatus for filling a volatile liquid into at least one tank (10) of a multi-tank installation having a vent-pipe (11A, 11B . . . 11F) associated with each tank, all of the vent-pipes being connected to a common vent manifold (13) throug...
09/19/2000
6116260Liquid material supplying apparatus and liquid material supplying method
A liquid material supplying apparatus comprises: vessels 150, 250, each having gas inlet pipe 151, 251, discharge pipe 153, 253, and interconnection pipe 155, 255 capable of making the gas inlet pipe 151, 251 communicate with the discharge pipe 153, 253, the v...
09/12/2000
6098848Method and apparatus for connecting a fluid reservoir with pipelines
The object of the present invention is to simplify the process of connecting a reservoir for charging and discharging 2 or more fluids with a pipeline for conveying said fluid and to assist the automation of this process. In the present invention, a reser...
08/08/2000
6076541Dispensing system and method for dispensing an aqueous solution
A system and method for dispensing an aqueous solution to one or more points of use is provided with one or more pressure vessels that are adapted to be charged with pressurized gas to drive the aqueous solution on to the point or points of use. A humidif...
06/20/2000
6056004Portable compression system for pipeline purging
A portable compression system for pipeline purging having a first stage comprising a power turbine which drives an air intake compressor. An air cooler is connected to a recovery plenum line from the power turbine. A drive shaft extending from the power t...
05/02/2000
6024113Method of preventing external contamination in multiple tank fluid systems
A closed tank method for preventing contamination in multiple tank systems. Water and air being the preferred liquids....
02/15/2000
6019116Liquid transfer system
The liquid transfer system includes a liquid supply tank and at least two pressurizable liquid holding vessels. The liquid holding vessels are placed beneath the supply tank, and a liquid supply line connects the supply tank to each vessel. The liquid sup...
02/01/2000
6014995Onsite petrochemical storage and transport system
An onsite petrochemical storage and transport system comprising a land based facility, which provides storage at a well site for hydrocarbon reservoir products which include gas, oil and water at a high pressure. The pressurized mixture is transferred, by...
01/18/2000
6015066Liquid supplying device
Disclosed herein is a device for supplying a liquid to a plurality of apparatuses which apply the liquid to substrates to process the substrates. The device comprises a tank containing the liquid, a supply passage for supplying the liquid from the tank to...
01/18/2000
6009892Device for disposal of liquid media
A device for disposal of liquid media such as coolant and lubricant fluids, containing production residues, such as chips from industrial processes in which these media are conveyed from at least one accumulation site through gutters and/or pipes to a rec...
01/04/2000
6000230Method for dividing and charging of non-azeotropic mixed refrigerant
A method for dividing and charging of a non-azeotropic mixed refrigerant filled in at least one refrigerant tank, comprising: a step of successively dividing and charging the non-azeotropic mixed refrigerant filled in the refrigerant tank into a plurality of r...
12/14/1999
5868278Eliminating microbubbles in developer solutions to reduce photoresist residues
Defects, associated with the presence of microbubbles in the photoresist developer solution, have been largely eliminated by providing an apparatus and method whereby the photoresist developer solution, while on standby status in a buffer tank, is maintai...
02/09/1999
5832948Liquid transfer system
The liquid transfer system includes a liquid supply tank and at least two pressurizable liquid holding vessels. The liquid holding vessels are placed beneath the supply tank, and a liquid supply line connects the supply tank to each vessel. The liquid sup...
11/10/1998
5778922Hydraulic device and system
A hydraulic system, device and method for dispensing fluids. Water and air are preferred. At least two tanks are preferably used for holding water under air pressure. In a preferred embodiment, one of the tanks is at a higher elevation than the second, so...
07/14/1998
5678591Two-components pressure feed system
A multi-component feed system to feed two fluid materials from a feed tank to a spraygun is described. The combined pressure feed tank comprises a pressure feed tank with a lid. Inside the tank is a removable support structure having a cone-shaped member ...
10/21/1997
5492144Multi-compartmented vacuum tank
A storage vessel, such as a compartmented vacuum tank or a plurality of vacuum tanks, is connected to a vacuum pump. The vacuum pump is used to produce a vacuum in each compartment of a multi-compartmented vacuum tank or in each tank of a plurality of vac...
02/20/1996
5417346Process and apparatus for electronic control of the transfer and delivery of high purity chemicals
The present invention provides improved method and apparatus for the transfer and delivery of very high purity chemicals for use in semiconductor production and similar processes. By employing a series of vessels arranged in parallel, a vacuum system to d...
05/23/1995
5330072Process and apparatus for electronic control of the transfer and delivery of high purity chemicals
The present invention provides improved method and apparatus for the transfer and delivery of very high purity chemicals for use in semiconductor production and similar processes. By employing a series of vessels arranged in parallel, a vacuum system to d...
07/19/1994
5316034Valve block assembly
A valve block assembly with internal delivery channels and a common outlet channel is provided. Access of reactants to the delivery channels is controlled by diaphragm valves, preferably equipped with relief grooves to accommodate deformation of the diaph...
05/31/1994
5261440Water supply system for an aircraft
A water supply system for an aircraft is constructed to prevent freeze-up by causing the water to repeatedly flow back and forth between a water supply tank and one or more water displacement tanks. For this purpose, the displacement tank or tanks are con...
11/16/1993
5148945Apparatus and method for the transfer and delivery of high purity chemicals
The present invention provides improved method and apparatus for the transfer and delivery of very high purity chemicals for use in semiconductor production and similar processes. By employing multiple alternating pressure vessels, chemicals are drawn fro...
09/22/1992
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