| Patent Number |
Title Of Patent |
Date Issued |
| RE37972 |
Manufacture of high precision electronic components with ultra-high purity liquids |
February 4, 2003 |
| Semiconductor wafers and other electronic parts which similarly require ultra-high purity manufacturing environments are treated with ultra-high purity liquid cleaning and etching agents prepared at the site of use from gaseous raw materials which have been purified to a level compatible |
| 7619523 |
Gas cylinders monitoring by wireless tags |
November 17, 2009 |
| Embodiments of the present invention generally provide methods and systems for managing gas cylinders by using radio-frequency identification (RFID) technology. In one embodiment, each gas cylinder includes a RFID transponder configured to transmit a RFID signal. The RFID signal may |
| 7569093 |
Filtering particulate materials in continuous emission monitoring systems |
August 4, 2009 |
| A filtering system for monitoring fluid emissions from a process includes a plurality of filter assembly sections arranged in a parallel fluid flow manner with respect to each other so as to selectively receive a sample fluid (e.g., a sample gas) entering at an inlet of the system. Each |
| 7524359 |
Methods for purifying gases having organic impurities using granulated porous glass |
April 28, 2009 |
| Methods and apparatus for purifying gases having organic impurities, including the use of granulated porous glass. The method of the invention includes the following steps. An impure gas comprising a first gas and an organic compound is provided. A packed bed of granulated porous glass i |
| 7494533 |
Systems for purifying gases having organic impurities using granulated porous glass |
February 24, 2009 |
| Methods and apparatus for purifying gases having organic impurities, including the use of granulated porous glass. A system for purifying an impure gas includes a source of an impure gas, a purification element operatively associated with the source of impure gas for purifying the im |
| 7409117 |
Dynamic laser power control for gas species monitoring |
August 5, 2008 |
| A gas species monitoring system includes a laser, a fiber amplifier configured to receive an input signal from the laser and generate an amplified signal, and a variable optical attenuation system configured to receive at least a portion of the amplified signal and generate an attenu |
| 7401577 |
Real time optimization and control of oxygen enhanced boilers |
July 22, 2008 |
| An oxygen enriched boiler having a burner subassembly and a steam subassembly is disclosed. The burner subassembly has a fuel inlet, an oxidant inlet, a combustion chamber, a flue gas composition detector and a flue gas outlet. The fuel inlet provides fuel to the combustion chamber, |
| 7392657 |
Methods of dissolving ozone in a cryogen |
July 1, 2008 |
| ozone is dissolved ozone in a liquid cryogen. A container containing a liquified cryogen is provided. A gaseous stream of ozone is allowed to flow into at least one adsorption unit containing an adsorbent material, thereby adsorbing ozone thereupon. The cryogen is allowed to flow from |
| 7358860 |
Method and apparatus to monitor and detect cryogenic liquefied gas leaks |
April 15, 2008 |
| Embodiments of the invention provide a method, article of manufacture, and system of detecting a cryogenic leak. In one embodiment, the method includes calibrating an infrared camera by detecting one or more first areas of low temperature in a first infrared image of a location received |
| 7320288 |
Steam-generating combustion system and method for emission control using oxygen enhancement |
January 22, 2008 |
| A steam-generating combustion system includes an oxygen enriched gas provided as at least part of an oxidant stream. A combustion chamber receives and combusts a fuel in the oxidant stream and generate steam. The combustion chamber generates flue gas having a flue gas volume which is |
| 7300498 |
Regeneration of adsorption beds using heated nitrogen |
November 27, 2007 |
| A system and method for removal of solvents, or other materials, from an exhaust stream, uses an active adsorption bed and a bed that is periodically regenerated. Electrically heated nitrogen may be used to regenerate the beds. A portion of the exhaust stream to be cleaned is diverte |
| 7297181 |
Purification and transfilling of ammonia |
November 20, 2007 |
| An ammonia purification system includes a hydrocarbon removal station that removes hydrocarbons from gaseous ammonia via adsorption, a moisture removal station that removes water from gaseous ammonia via adsorption, and a distillation station including a distillation column connected wit |
| 7244936 |
Chemical species detection including a multisection laser for improved process monitoring |
July 17, 2007 |
| A gas species monitoring system includes a laser system, where the laser system includes a multisection DBR laser, and a plurality of measurement points disposed at different locations within the system. The laser system is configured to selectively deliver a laser beam from the mult |
| 7229667 |
Reduced moisture compositions comprising an acid gas and a matrix gas, articles of manufacture c |
June 12, 2007 |
| Compositions comprising a reactive gas and a matrix gas are disclosed, as well as articles of manufacture and methods of making the articles. The methods of manufacturing preferably employ zeolites to remove moisture from the reactive gas and from the matrix gas, and then combine the |
| 7204209 |
Lance for injecting fluids for uniform diffusion within a volume |
April 17, 2007 |
| An injection lance for injecting a fluid over a predefined target area within a system includes a support block with an inlet side and an outlet side. A plurality of channels are disposed non-parallel with respect to each other within the support block and extend between the inlet and |
| 7191587 |
Hybrid oxygen-fired power generation system |
March 20, 2007 |
| An oxygen fired power generation system is disclosed. The power generation system has a high pressure combustor having a water recycle temperature control subassembly, and an intermediate pressure combustor having a CO.sub.2 recycle temperature control subassembly. Thus, a first energy |
| 7175696 |
Method and apparatus for corrosive gas purification |
February 13, 2007 |
| Herein is disclosed a method and an apparatus for preparing a highly purified gas from a crude liquid comprising the gas and one or more of a metal, particulates, water vapor, or a volatile impurity. The method comprises: (a) vaporizing the crude liquid, to yield (i) a first vapor st |
| 7174744 |
Method of improving the biocidal efficacy of dry ice |
February 13, 2007 |
| A manufactured dry ice product containing ozone entrapped or absorbed on said dry ice. The dry ice product can be used to chill and preserve food products and provides the added benefit of ozonation of the food product to kill bacteria. Novel processes for ozonating liquid and solid CO.s |
| 7156225 |
Reduced moisture compositions comprising an acid gas and a matrix gas, articles of manufacture c |
January 2, 2007 |
| Compositions comprising a reactive gas and a matrix gas are disclosed, as well as articles of manufacture and methods of making the articles. The methods of manufacturing preferably employ zeolites to remove moisture from the reactive gas and from the matrix gas, and then combine the |
| 7141500 |
Methods for forming aluminum containing films utilizing amino aluminum precursors |
November 28, 2006 |
| A method of forming an aluminum containing film on a substrate includes providing a precursor having the chemical structure: Al(NR.sub.1R.sub.2)(NR.sub.3R.sub.4)(NR.sub.5R.sub.6); where each of R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 is independently selected from the |
| 7137194 |
Apparatus and method for maintaining a dry atmosphere in a surface mount device placement machin |
November 21, 2006 |
| The apparatus and method of the present invention relates use a dry atmosphere in the component storage portion of the surface mount device placement machine. The dry atmosphere provides the benefit of eliminating the baking process and other moisture management issues. In accordance |
| 7080655 |
Regulator for low concentration corrosive and reactive gases |
July 25, 2006 |
| A filter-less regulator is implemented for use in fluid flow systems that process low concentration reactive gases. The regulator includes an inlet, an outlet and a fluid flow path defined between the inlet and outlet by internal surfaces of the housing. The regulator further include |
| 7069867 |
Process for burning sulfur-containing fuels |
July 4, 2006 |
| A process for burning a sulfur-containing fuel to produce a flue gas. The process includes introducing a sulfur-containing fuel into a combustion chamber, introducing an oxidant stream into the combustion chamber and mixing it with the sulfur-containing fuel to define a combustion zone, |
| 7066728 |
Process and apparatus for oxygen enrichment in fuel conveying gases |
June 27, 2006 |
| An improved process for burning solid fuel particles in a combustion chamber and creating a flue gas is disclosed. The method comprises creating a fuel gas stream by mixing the solid fuel particles with a conveying gas, transporting the fuel gas stream through a fuel duct terminating |
| 7062912 |
Integrated heat recovery systems and methods for increasing the efficiency of an oxygen-fired fu |
June 20, 2006 |
| An air separation unit separates air into an oxygen-rich and oxygen-deficient gas. Fuel gas and the oxygen-rich gas are preheated at heat exchangers through which hot flue gas flows. Combustion of the preheated fuel and oxygen-rich gases result in the hot flue gas. The hot flue gas i |
| 7056419 |
Methods for modifying electrical properties of papermaking compositions using carbon dioxide |
June 6, 2006 |
| Carbon dioxide may be used to adjust the electrical properties of papermaking compositions. Such papermaking compositions may contain a colloid phase, an aqueous phase, and optionally, pulp fibers. Examples of electrical properties whose values may be adjusted include zeta potential, |
| 7022992 |
Method and apparatus for real-time monitoring of furnace flue gases |
April 4, 2006 |
| A method and apparatus for monitoring the flue gases of a furnace combustion process is disclosed. A by-pass circuit that communicates a sample of flue gases to be monitored from a furnace, through a measurement chamber and back to the furnace or furnace exhaust duct is provided. The |
| 7022212 |
Micro structured electrode and method for monitoring wafer electroplating baths |
April 4, 2006 |
| A microstructured electrode coupled with an analytical method designed to simulate the actual conditions on the wafer and to measure critical parameters such as mass transfer of the active plating components, deposition rates of the copper in the plating bath solutions, and/or additi |
| 7014458 |
High velocity injection of enriched oxygen gas having low amount of oxygen enrichment |
March 21, 2006 |
| Methods and apparatus for combustion of a hydrocarbon fuel in a combustion chamber of a furnace or boiler are presented, the combustion normally using only air as an oxidant, part of the air entering the combustion chamber through one or more burners, and a remaining portion of air e |
| 6992282 |
Use of a nebulizer to add gas to eliminate metal deposition on the sampling orifices of an induc |
January 31, 2006 |
| Use of a nebulizer add-gas to reduce metal deposition on the sampling orifices of an inductively coupled plasma mass spectrometer ("ICP-MS") is disclosed. Specifically, dilute mixtures of Sulfur Hexafluoride (SF.sub.6) in an inert gas have been used to reduce transition metal deposit |
| 6969416 |
Method for controlling slag characteristics in an electric arc furnace |
November 29, 2005 |
| A method of controlling slag characteristics in an electric arc furnace control is disclosed. The furnace has inputs including oxygen supply and carbon supply. The method of controlling slag characteristics includes introducing a charge to be melted into the furnace, melting at least a |
| 6955051 |
Steam generation apparatus and methods |
October 18, 2005 |
| Steam generation apparatus and methods are presented that are dedicated to oxygen-enriched air combustion of a fuel, wherein the oxygen concentration of the oxygen-enriched air may range from just above 21 percent to 100 percent. One apparatus comprises an oxygen-enriched air preheater t |
| 6935251 |
Steam-generating combustion system and method for emission control using oxygen enhancement |
August 30, 2005 |
| A steam-generating combustion system includes an oxygen enriched gas provided as at least part of an oxidant stream. A combustion chamber receives and combusts a fuel in the oxidant stream and generate steam. The combustion chamber generates flue gas having a flue gas volume which is |
| 6913457 |
Method and apparatus for optimized CO post-combustion in low NOx combustion processes |
July 5, 2005 |
| An improved process for burning a fuel to produce a flue gas is disclosed. The fuel is burned in a main combustion zone in the presence of a main combustion oxidant to produce combustion products. The combustion products are mixed in a post-combustion zone positioned downstream from the |
| 6912756 |
Lance for injecting fluids for uniform diffusion within a volume |
July 5, 2005 |
| An injection lance for injecting a fluid over a predefined target area within a system includes a support block with an inlet side and an outlet side. A plurality of channels are disposed non-parallel with respect to each other within the support block and extend between the inlet and |
| 6899116 |
Pressure vessel systems and methods for dispensing liquid chemical compositions |
May 31, 2005 |
| 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 pressure vessel. No addit |
| 6885452 |
Chamber effluent monitoring system and semiconductor processing system comprising absorption spe |
April 26, 2005 |
| Provided is a novel chamber effluent monitoring system. The system comprises a chamber having an exhaust line connected thereto. The exhaust line includes a sample region, wherein substantially all of a chamber effluent also passes through the sample region. The system further compri |
| 6883721 |
Method and system for lancing gas into an environment with variable entrainment of non-lanced ga |
April 26, 2005 |
| A system and method are disclosed for lancing gas into an environment, such as a furnace, wherein an inner conduit is in communication with a gas supply and adapted to transport a gas at a first mass flow rate, and an outer conduit is in communication with a gas supply and adapted to |
| 6877219 |
Apparatus for placing components on printed circuit boards |
April 12, 2005 |
| The apparatus and method of the present invention relates use a dry atmosphere in the component storage portion of the surface mount device placement machine. The dry atmosphere provides the benefit of eliminating the baking process and other moisture management issues. In accordance |
| 6875414 |
Polysulfide measurement methods using colormetric techniques |
April 5, 2005 |
| Methods of converting a sulfide in a composition to polysulfide are described, one method comprising the steps of exposing the composition to conditions and for a time sufficient to cause conversion of at least a portion of the sulfide, to polysulfide to form a modified composition; and |
| 6866748 |
Process for preparing polysulfides using clarified white liquor |
March 15, 2005 |
| The present invention provides a process for preparing polysulfide. More particularly, the process of the present invention allows one to prepare the amount of polysulfide needed using clarified white liquor, and to be used when and where it is needed during the cooking process. The proc |
| 6859766 |
Indirect gas species monitoring using tunable diode lasers |
February 22, 2005 |
| A method for indirect gas species monitoring based on measurements of selected gas species is disclosed. In situ absorption measurements of combustion species are used for process control and optimization. The gas species accessible by near or mid-IR techniques are limited to species |
| 6816812 |
Methods and apparatus for estimating moisture absorption by hygroscopic materials |
November 9, 2004 |
| Disclosed are methods and apparatus to measure specific mass increases (due to the absorption of moisture) that occur in materials and for predicting moisture absorption in materials. In one method, pre-dried plastic encapsulated microchip packages (PEMs) are exposed to moist air over a |
| 6813902 |
Systems and methods for increasing production of spheroidal glass particles in vertical glass fu |
November 9, 2004 |
| A retrofit technology for air-fuel fired, vertical glass furnace for oxygen firing or boosting to provide additional heat to the process to increase furnace production capacity. The additional firing using oxygen is strategically controlled to enable enhanced radiation from oxygen flame |
| 6799526 |
Methods of improving productivity of black liquor recovery boilers |
October 5, 2004 |
| Methods of increasing the throughput of recovery boilers equipped with at least three levels of injection of air with oxygen enrichment of the air in at least one air level. In one method, a black liquor recovery boiler has three levels of air injection, and oxygen enrichment is applied |
| 6793771 |
Ozone bleaching of low consistency pulp |
September 21, 2004 |
| Provided is a process for bleaching pulp with ozone. The process involves preparing a slurry of cellulosic pulp having a consistency in fibers of from 1-5 weight %. Such a low consistency slurry is then mixed with ozone under high shear conditions. The ozone is then maintained in contact |
| 6783357 |
Preheated fuel and oxidant combustion burner |
August 31, 2004 |
| A burner apparatus comprises a conduit adapted to convey preheated oxidant and having outlet and inlet ends, and a conduit adapted to convey preheated fuel and having outlet and inlet ends. The conduit adapted to convey preheated fuel is substantially parallel to the conduit adapted to |
| 6773547 |
Process for the bleaching of low consistency pulp using high partial pressure ozone |
August 10, 2004 |
| Provided is a process for bleaching pulp with ozone. The process involves preparing a slurry of cellulosic pulp having a consistency in fibers of from 1 up to 5 weight %. Such a low consistency slurry is then mixed with high partial pressure ozone under high shear conditions. The ozone i |
| 6752852 |
Apparatus for removing moisture from fluids comprising acid gases; methods of using same, and co |
June 22, 2004 |
| Methods and apparatus for reducing moisture content of fluids comprising moisture and a sulfur-containing compound are disclosed. The methods use an acid gas resistant molecular sieve, and the sulfur-containing compounds are preferably selected from the group consisting of carbondisulfid |
| 6745573 |
Integrated air separation and power generation process |
June 8, 2004 |
| An integrated air separation and power generation process produces an O.sub.2 -enriched gas stream and an N.sub.2 -enriched gas stream in an air separation unit. The O.sub.2 -enriched gas stream is introduced with fuel and steam to a combustor, producing flue gas. At least a portion of t |
