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| Number | Title | Issue Date |
| 8163062 | Method for operating a hearth furnace A method for operating a hearth furnace encompassing a furnace chamber heated by at least one burner, including: a) introducing metal-containing material into the hearth furnace, b) melting the metal-containing material in a first melting phase until a melting bath ... | 04/24/2012 |
| 8142543 | Refining ferroalloys A method of refining a ferroalloy includes the step of blowing molecular oxygen or a gas mixture including molecular oxygen into a melt of the ferroalloy. A metallurgically acceptable particulate material is introduced from above into the melt. The particulate mater... | 03/27/2012 |
| 8127574 | Method for producing mineral wool The invention relates to a method for producing mineral wool, wherein a mineral base material is melted in a cupola furnace having a shaft to hold the base material, the lower section of said shaft being provided with a grate, and beneath said grate there is a combu... | 03/06/2012 |
| 8071013 | Melting starting material in a cupola furnace The invention relates to operating a shaft furnace, in particular a cupola furnace, for melting starting material, wherein the shaft furnace is heated by combustion of a solid fuel and wherein an injection gas, which has an oxygen portion of more than 21%, is inject... | 12/06/2011 |
| 8070049 | Device and method for wave soldering The instant invention relates to a device for wave soldering workpieces, encompassing means for moving the workpiece, which is to be soldered, along a specific path across at least one solder wave generated above a solder reservoir, with a protective and/or active g... | 12/06/2011 |
| 8065883 | Controlled storage of liquefied gases A method and apparatus for the controlled storage of liquefied gases such as liquefied natural gas in an enclosed insulated container, in which part of the liquid is withdrawn and fed to an external refrigeration unit for subcooling and the subcooled liquid is reint... | 11/29/2011 |
| 8017405 | Gas analysis method The present invention provides a method for analyzing gases such as carbon dioxide, and includes passing a gas stream containing impurities into a gas adsorption means for a length of time at ambient or higher temperatures to adsorb the impurities therein, stopping ... | 09/13/2011 |
| 7992393 | Cooling or freezing apparatus using high heat transfer nozzle An apparatus for reducing temperature of items includes an enclosure having an inlet and an outlet for the items within the enclosure; a conveyor for conveying the items within the enclosure from the inlet to the outlet; one or more delivery nozzles positioned to de... | 08/09/2011 |
| 7955450 | Method for heat treatment The invention relates to a method for the heat treatment of workpieces in a heat treatment furnace, wherein the treatment atmosphere in the heat treatment furnace is circulated. According to the invention, a propellant is injected into the heat treatment furnace in ... | 06/07/2011 |
| 7918070 | Device and method for sealing packages The invention pertains to a device and a method for sealing a package with a sealing seam by partially fusing together the packaging material, and a supply system for protective gas. The device includes a gas supply for inert gas and an inert gas outlet opening, whe... | 04/05/2011 |
| 7827818 | Conveyor belt having rotating drive shaft An apparatus and method for processing products by chilling or freezing includes a conveyor for conveying the products along a plane of travel; lifting means disposed for intermittent contact with the conveyor during processing; cam means rotatable for contacting an... | 11/09/2010 |
| 7810347 | Conveyor belt having rotating drive shaft An apparatus and method for processing products by chilling or freezing includes a conveyor for conveying the products along a plane of travel; lifting means disposed for intermittent contact with the conveyor during processing; cam means rotatable for contacting an... | 10/12/2010 |
| 7736583 | Gas curtain assemby for muffled continuous furnaces This invention is directed to a gas curtain assembly which comprises at least one structure of substantially vertical tubes on both sides of and supporting a vertical tube, forming an interconnected frame comprising at least one row of apertures for gas or fluid to ... | 06/15/2010 |
| 7669439 | Gas injection for glass melting furnace to reduce refractory degradation A glass melting furnace has a gas inlet positioned proximate to a charging section oxy-fuel combustion region to introduce gas into the region and to at least partially displace gas having a partial pressure of alkali vapor from the region, and optionally a gas outl... | 03/02/2010 |
| 7591876 | Injection of solids into liquids by means of a shrouded supersonic gas jet A method of introducing a solid particulate reagent into a bath of metallurgical liquid comprises a step of introducing a solid particulate reagent into a main supersonic gas jet. The main supersonic gas jet is directed at the surface of the bath and is surrounded w... | 09/22/2009 |
| 7587903 | Method for surface crust freezing of food product An apparatus and method for surface crust freezing of a food product utilizes a refrigeration shell enclosing a freezing chamber, the freezing chamber having a cavity shaped to substantially accommodate the shape of the exterior surface of the food product; the cavi... | 09/15/2009 |
| 7556671 | System and method for purifying a gas The present invention provides for a method for purifying carbon dioxide. Moisture, sulfur species and other impurities are removed from the carbon dioxide by a series of steps which include adsorption means and reaction means. All the steps are preferably carried o... | 07/07/2009 |
| 7497984 | Device for cooling long objects The invention relates to a device for cooling long objects such as wires, tubes or rods. In order to provide improved cooling, provision is made of a nozzle region which has a diameter greater than the diameter of the object and contains a plurality of nozzles which... | 03/03/2009 |
| 7481985 | Method of removing impurities from a gas The present invention provides for a method and apparatus for purifying carbon dioxide. Sulfur species are efficiently and effectively removed from the carbon dioxide by a series of steps which include heater/heat exchange means, impurity adsorption means and coolin... | 01/27/2009 |
| 7438848 | Metallurgical lance A metallurgical lance for introducing gas into a volume of molten material in a furnace includes a head having a bore extending therethrough, a mounting assembly at the head in the bore, and a nozzle detachably secured to the mounting assembly by a connection, the n... | 10/21/2008 |
| 7396503 | Lance for injecting particulate material into liquid metal A metallurgical lance for injecting particulate material into a liquid comprises a main gas tube 6 defining an axial main gas passage terminating at its outlet and in a first Laval nozzle 38 downstream of the throat of said nozzle. A shrouding gas pass... | 07/08/2008 |
| 7198241 | System and method for mounting a computer component A system is provided for mounting a computer component. The system has at least one rail with first and second mounting portions. The first mounting portion defines a recess. The second mounting portion has at least one detent. The system also has first and second s... | 04/03/2007 |
| 7168269 | Gas injection for glass melting furnace to reduce refractory degradation A glass melting furnace has a gas inlet positioned proximate to a charging section oxy-fuel combustion region to introduce gas into the region and to at least partially displace gas having a partial pressure of alkali vapor from the region, and optionally a gas outl... | 01/30/2007 |
| 7160566 | Food surface sanitation tunnel This invention is a modular, adjustable, easy to maintain, portable or fixed food sanitation tunnel, comprising an enclosing means for subjecting food to sanitizers including UV light, ozone, hydroperoxides, superoxides and hydroxyl radicals, and a method for using ... | 01/09/2007 |
| 7056391 | Liquid-assisted cryogenic cleaning The present invention is directed to the use of a high vapor pressure liquid prior to or simultaneous with cryogenic cleaning to remove contaminants from the surface of substrates requiring precision cleaning such as semiconductors, metal films, or dielectric films.... | 06/06/2006 |
| 7055333 | High pressure CO purification and supply system A batch process and apparatus for producing a pressurized liquid carbon dioxide stream includes distilling a feed stream of carbon dioxide vapor off of a liquid carbon dioxide supply; introducing the carbon dioxide vapor feed stream into at least one purifying filte... | 06/06/2006 |
| 7018584 | Method and apparatus for metal processing A method for metal processing is provided in which a cooling atmosphere comprising hydrogen is used for accelerated cooling of a processed metal part in a furnace, resulting in improved properties for the metal part. A sintering furnace is also provided and comprise... | 03/28/2006 |
| 7008658 | Apparatus and method for providing treatment to a continuous supply of food product by impingement An apparatus and method for providing treatment by impingement to a continuous supply of food product includes a treatment zone at an ambient pressure, a fluid delivery zone at an elevated pressure, and a circulation assembly. Impingement plates containing apertures... | 03/07/2006 |
| 6974126 | Apparatus and method for mixing a gas and a liquid An apparatus and method are provided for mixing a gas and a liquid to produce a gaseous vapor of the liquid that is substantially free of droplets. Gas, e.g., carbon dioxide, is divided into first and second streams. The first stream is combined in an atomization zo... | 12/13/2005 |
| 6960242 | CO2 recovery process for supercritical extraction A carbon dioxide recovery apparatus and process for supercritical extraction includes providing a process stream from a supercritical extraction procedure in which the process stream includes pressurized carbon dioxide, extraction process waste and optionally at lea... | 11/01/2005 |
| 6955791 | Environmental air sterilization system The present invention is a high volume, wall-mountable air sanitation apparatus for disinfecting and removing VOCs from air with high energy UV light and ozone. The apparatus has a powerful fan and an elongated UV light source and target for use with the movement of... | 10/18/2005 |
| 6949145 | Vapor-assisted cryogenic cleaning The present invention is directed towards the use of a reactive gas or vapor of a reactive liquid prior to or in combination with cryogenic cleaning to remove contaminants from the semiconductor surfaces or other substrate surfaces requiring precision cleaning. The ... | 09/27/2005 |
| 6916359 | Ozone production processes Methods of providing ozone at a selected pressure above atmospheric pressure include supplying a purge gas supply (22) pressurized above the selected pressure to at least one ozone adsorption apparatus (12); desorbing ozone from the ozone adsorption ap... | 07/12/2005 |
| 6910431 | Burner-lance and combustion method for heating surfaces susceptible to oxidation or reduction A method of heating a surface susceptible to oxidation or reduction includes generating a central, generally cylindrical, fuel-rich particulate jet, and a coaxial, annular, supersonic velocity, oxidant-rich jet having an auto-thermal ignition temperature greater tha... | 06/28/2005 |
| 6895775 | Apparatus for surface crust freezing of food product An apparatus and method for surface crust freezing of a food product utilizes a refrigeration shell enclosing a freezing chamber, the freezing chamber having a cavity shaped to substantially accommodate the shape of the exterior surface of the food product; the cavi... | 05/24/2005 |
| 6889508 | High pressure CO2 purification and supply system A batch process and apparatus for producing a pressurized liquid carbon dioxide stream includes distilling a feed stream of carbon dioxide vapor off of a liquid carbon dioxide supply; introducing the carbon dioxide vapor feed stream into at least one purifying filte... | 05/10/2005 |
| 6877327 | Flow enhanced tunnel freezer Food products are frozen or cooled within a housing chamber defined by side walls between an ceiling and floor and having a cryogen supply, a food products conveyor extending into the chamber disposed between the ceiling and floor, by transporting the food products ... | 04/12/2005 |
| 6857857 | Reciprocating machines A reciprocating machine such as a vacuum pump includes a cylinder in which a reciprocating piston is disposed for reciprocating movement. A variable voltage driver is provided for driving the piston and a vibration sensor is provided for sensing contact between the ... | 02/22/2005 |
| 6855882 | Cascaded inert gas purging system The present invention is a system for protecting, for example, electronic, mechanical, or other components from contamination in a processing environment and includes a distribution manifold, a pressurized fluid in fluid communication with the manifold, and a plural... | 02/15/2005 |
| 6852173 | Liquid-assisted cryogenic cleaning The present invention is directed to the use of a high vapor pressure liquid prior to or simultaneous with cryogenic cleaning to remove contaminants from the surface of substrates requiring precision cleaning such as semiconductors, metal films, or dielectric films.... | 02/08/2005 |
