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8997775 Vapor delivery device, methods of manufacture and methods of use thereof  
A method comprises transporting a first stream of a carrier gas to a delivery device that contains a solid precursor compound. The first stream of carrier gas is at a temperature greater than or...
8950419 Hydrogen supply method and system  
A method and system for supplying additional hydrogen from a reservoir of stored hydrogen in a salt cavern to a hydrogen pipeline to assist in meeting customer demand for hydrogen is provided....
8800589 Material gas concentration control system  
An object of this invention is to provide a responsive material gas concentration control system that can be mounted on a bubbling system and that can control a concentration of a material gas in...
8776821 Vapor delivery device, methods of manufacture and methods of use thereof  
A method comprises transporting a first stream of a carrier gas to a delivery device that contains a solid precursor compound. The first stream of carrier gas is at a temperature greater than or...
8695623 Gas concentration control device for pressure vessel  
A gas concentration control device for pressure vessel is provided for controlling gas concentration inside an accommodation space that is set in an interior of a chamber formed inside a pressure...
8584690 Material delivery systems and methods  
A method of determining an operational parameter of a washing system having a wash tank to which water and material are added. In some embodiments, the method includes establishing a communication...
8524088 Method to inhibit scale formation in cooling circuits using carbon dioxide  
Scaling is controlled in a cooling water system with CO2 based upon measurements of the cooling water's pH, alkalinity and Ca2+concentration.
8459290 Material gas concentration control system  
A material gas concentration control system for keeping a concentration of a material gas in a mixed gas constant comprising a tank to accommodate the material, an inlet line to input a carrier...
8459291 Source gas concentration control system  
To prevent loss of control of a pressure of a source gas within a movable range of a control valve, a source gas concentration control system is provided. The system may include a first valve that...
8245978 Multiple ASM OBIGGS with different permeability and selectivity membranes  
A method and system for providing nitrogen-enriched air (NEA) to aircraft fuel tanks using multiple air separation modules (ASMs). The ASMs employ membranes having different permeabilities and...
8196596 Method for tracking pollution source in process water  
A method for tracking a pollution source in process water is presented. Firstly, variation curves of drain water drained from different rinsing tanks are respectively obtained, and a water quality...
8118050 On-line constant flow dilution  
A system for providing constant flow on-line dilution comprising a first fluid introduction line carrying a first fluid, a second fluid introduction line carrying a second fluid, a flow path...
8091572 Method for tracking pollution source in process water  
A method for tracking a pollution source in process water is presented. Firstly, variation curves of drain water drained from different rinsing tanks are respectively obtained, and a water quality...
7905245 Dosing control system and method  
A method and system of controlling addition of a treating agent based on a control function comprising a plurality of demand values is disclosed. Process parameters of a fluid to be treated are...
7810987 Automated solution maker apparatus  
An automated solution maker is provided. The automated solution maker mixes a chemical with a solvent to a desired concentration. The concentration of the solution is monitored by measuring the...
7793675 In-line gas purity monitoring and control system  
Method for supplying a high purity gas product comprising providing a first gas stream including a major component and at least one impurity component, determining the concentration of the at...
7682066 Method for recycling waste sulfuric acid  
The recycling apparatus of waste sulfuric acid for collecting waste sulfuric acid generated at a source site A, transporting it by a carrier B, and recycling it for reuse at a user site C, the...
7631566 Method and apparatus maintaining multi-component sample gas constituents in vapor phase during sample extraction and cooling  
An apparatus and method for diluting and cooling that is extracted from high temperature and/or high pressure industrial processes. Through a feedback process, a specialized, CFD-modeled dilution...
7617836 System and method for supplying functional water  
A supply system for supplying a functional water to a process unit which treats a substrate using the functional water is provided. In the system, the functional water generated in the functional...
7537018 Method and apparatus for controlling partial vapor pressure in a sorption analyzer  
An embodiment of the present invention is a method for creating and maintaining a partial vapor pressure in a sample chamber of a sorption analyzer. A first dry gas flow is purged from a first...
7448102 Method for controlling mixtures especially for fabric processing  
A method for supplying liquid mixtures on a mix-on-demand basis for consumptive use, and for maintaining the composition of such mixture on a highly accurate and stable basis. For wet-on-wet...
7438079 In-line gas purity monitoring and control system  
Method for supplying a high purity gas product comprising providing a first gas stream including a major component and at least one impurity component, determining the concentration of the at...
7404411 Method and apparatus for analysis of relative levels of biodiesel in fuels by near-infrared spectroscopy  
A process and system for the analysis and/or control of a mixture of liquid hydrocarbons and biodiesel to determine biodiesel concentration includes a) measuring the near infrared absorption in at...
7393450 System for maintaining pH and sanitizing agent levels of water in a water feature  
A system automatically maintains at least one of a pH level and a sanitizing agent level of water in a water feature. The system includes a sensor assembly responsive to at least one of a pH level...
7360550 System for recycling spent sulfuric acid, method for recycling spent sulfuric waste liquid, and recycled sulfuric acid  
A system for recycling spent sulfuric acid, wherein spent sulfuric acid is effectively utilized at a place other than a discharge source regardless of geographical conditions, and a method for...
7344297 Method and apparatus for asynchronous blending and supply of chemical solutions  
The invention is a method and apparatus for asynchronous blending and supply of chemical solutions. The method of the present invention includes a continuous blending system. This continuous...
7325560 In-situ gas blending and dilution system for delivery of dilute gas at a predetermined concentration  
Apparatus and method for delivery of dilute active fluid, e.g., to a downstream active fluid-consuming process unit of a semiconductor manufacturing plant. The delivery system includes an active...
7246631 Adhesive mix monitor  
A system for measuring a mixture ratio associated with a two-part fluid, at least one of the two parts including conductive particles. The system includes a pair of electrodes, a circuit, and an...
7201179 Modular fluid supply system  
A modular fluid supply system for use with a liquid supply source includes a plurality of container packs, a fluid delivery line in fluid communication with the containers of the packs, and a...
7144552 Method and apparatus for preparing chemical solutions  
A chemical solution preparation apparatus for preparing a chemical solution from chemical gas of an industrial chemical grade. A dissolution unit dissolves the chemical gas in pure water, which is...
7063097 In-situ gas blending and dilution system for delivery of dilute gas at a predetermined concentration  
Apparatus and method for delivery of dilute active fluid, e.g., to a downstream active fluid-consuming process unit of a semiconductor manufacturing plant. The delivery system includes an active...
6966326 Method and system for controlling withdrawal of liquid product from pipelines  
This invention is to a method and system for controlling withdrawal of liquid from pipelines. The system includes intercommunicating analyzers, control applications and controllers for analyzing...
6953044 Drained water recovery system and method for operating the same  
A drained water recovery system of a process device and recovering method thereof is provided. The recovering method includes using a conductivity meter to measure the conductivity of the drained...
6766818 Chemical concentration control device  
A system and method for ensuring constant concentration ratios in multi-fluid mixtures used in wafer processing steps. In one aspect the invention is a method for supplying a multi-fluid mixture...
6668850 Apparatus for supplying oxygen  
An apparatus for supplying oxygen includes an oxygen-rich gas supplying unit for discharging an oxygen-rich gas. The oxygen-rich gas supplying unit is provided with a first passage through which...
6554015 Single piece silver/palladium cell for adjusting or measuring a level of hydrogen and methods therefor  
The invention is directed to a silver/palladium (AgPd) cell for adjusting or measuring a level of hydrogen in a high pressure environment, a high temperature environment, and/or an environment...
6543493 Optical monitoring processes and apparatus for combined liquid level sensing and quality control  
An apparatus of measuring both concentration and amount of a liquid in a liquid chemical container is presented, comprising viewing light emanating from a first optical member that is in visual...
6523559 Self-regulating microfluidic device and method of using the same  
In accordance with the present invention, a microfluidic device and method of using the same is provided for self-regulating the flow of fluid therethrough. The microfluidic device includes a body...
6510368 Performance-based control system  
A process for monitoring and controlling an aqueous system. At least one performance parameter relating to conditions within the aqueous system is selected. A value of the at least one performance...
6482325 Apparatus and process for separation and recovery of liquid and slurry abrasives used for polishing  
Abrasive components and clear fluids are separated from an aqueous chemical mechanical slurry used for planarization of semiconductor materials, to permit the reuse of the clear liquid effluent in...
6474354 On-line sensor for colloidal substances  
A method and apparatus for determining and controlling a property of colloidal substances that undergo at least one of a temperature dependent phase transition and a temperature dependent...
6471845 Method of controlling chemical bath composition in a manufacturing environment  
A method for controlling the composition of a chemical bath in which predictive dosing is used to account for changes in the composition of the bath in which the operating characteristics of the...
6453927 Method and apparatus for precisely dispensing liquids  
A method and apparatus are provided for continuously dispensing precise quantities of a liquid from a dispenser holding tank into a receiving tank. A first elastic tube permits fluid flow between...
6435203 Apparatus and method for regenerating etchant solution containing metal compound  
Disclosed is an apparatus and method for regenerating an etchant solution comprising metal compounds. When a sample of the etchant solution is determined to be of lower etching ability than a...
6418958 Dual solid chemical feed system  
A solid chemical feed system, preferably including two feed bowls, comprises a quantity of solid chemicals that dissolve upon immersion in water to form a liquid solution. A sump is provided to...
6374845 System and method for sensing and controlling beverage quality  
Disclosed is a method of automatically sensing and controlling beverage quality for soft drinks from a fountain dispenser, for example, comprising the steps of supplying a first fluid, such as...
6253780 Method for preparing a welding fluid of constant physico-chemical characteristics with time, and a plant for its preparation  
A method for preparing a welding fluid consisting of a mixture of at least two components. The method including the steps of withdrawing the mixture components from respective tanks and feeding...
6245224 Water quality management system  
A water quality management system for managing the water quality in a water supply network having water pipe lines running from the purification plant to consumers' faucets to maintain the water...
6220267 Apparatus and method for controllably delivering fluid to a second fluid stream  
A device for introducing a first fluid into a second fluid stream comprising an enclosure and a member which causes release of a first fluid. The enclosure releasably retains the first fluid. The...
6148839 Apparatus and method for injecting liquid additives into agricultural and industrial water supplies  
An apparatus and method for injecting a liquid product or chemical into a main water supply line used for agricultural or industrial purposes. A pressure regulating bypass valve has an inlet side...

Matches 1 - 50 out of 450 1 2 3 4 5 6 7 8 9 >