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| Number | Title | Issue Date |
| 6688876 | Liquid-fuel combustion system A process for combustion with the aid of a liquid fuel and a gaseous oxidizer containing from 20% to 100% volume of oxygen, in which the fuel is injected with the aid of an injector. The injector, which has a height "d", is placed inside a glory hole. The... | 02/10/2004 |
| 6685461 | Three-tube burner for furnaces, especially glass and metallurgical furnaces, and method of injecting fuel and oxidizer by means of such a burner To reduce the overall size of and to simplify the supply for three-tube burners, and to allow easier interchangeability with two-tube burners, the burner (Br) comprises an inlet (5) for a fuel and a fuel feed tube (2) connected to this fuel inlet, an inle... | 02/03/2004 |
| 6604558 | Aircraft fuel inerting system for an airport A multicomponent, ground based system for reducing the hazard of explosion of aircraft fuel in the on board tanks of aircraft. The system is adapted to provide a supply of scrubbed fuel having a low concentration of dissolved oxygen. The scrubbed fuel can... | 08/12/2003 |
| 6581649 | Methods and apparatus for delivering high purity liquids with low vapor pressure Methods and apparatus for delivery of high purity reactive liquids using gaseous assist are described, the apparatus comprising a container body, the container body having fluidly connected thereto a gas inlet and a reactive liquid outlet, the gas inlet f... | 06/24/2003 |
| 6579088 | Stabilized-flame aerogas/oxygas burner and quarl block fitted with such a burner Provided is a burner which includes a pipe having a free end region designed to be housed in a furnace quarl. The pipe includes one or more fuel feed ducts surrounded over part of their length by a sheath which defines an oxidizer feed channel and is fast... | 06/17/2003 |
| 6574988 | Process and plant for producing argon by cryogenic distillation In a process for separating argon-enriched gas, the gas is purified of oxygen in a first column (1) and then a stream (15) removed from the top of the first column is sent into a stripping column (2). The product (21) is withdrawn as bottoms therefrom.... | 06/10/2003 |
| 6561198 | Method and installation for treating a metal part surface In this method for the surface treatment of a metal part (12) for the purpose of deoxidizing it and/or cleaning it, a sealed chamber (16), in which the part to be treated is placed, is filled with a low-pressure reducing gas mixture, a static magnetic fie... | 05/13/2003 |
| 6553781 | Cryogenic tunnel for chilling products, especially food products Cryogenic tunnel for chilling products, especially food products, comprising a horizontal conveyor belt (1) for products and means for blowing a cold gas thereover and for limiting the escape of cold gas from the tunnel and/or the admission of external ga... | 04/29/2003 |
| 6550234 | Integrated air-separation/energy-generation process and plant for implementing such a process Integrated air-separation process and plant, including at least two air separation units (1, 101), an air compressor (13), which feeds a combustion chamber and at least one of the air separation units with compressed air, and at least one dedicated air co... | 04/22/2003 |
| 6541917 | Section of pipe for a gas treatment device and device incorporating such a section of pipe A section of pipe, for a device for treating a gas by exciting the latter by way of incident microwave radiation suitable for producing a surface-wave plasma in the gas, including a discharge tube made of dielectric material intended to pass through the d... | 04/01/2003 |
| 6540921 | Process for the purification of aqueous hydrogen peroxide solutions Process for the on-site purification of an aqueous hydrogen peroxide solution, in which the solution is made to pass through a resin bed capable, at least partially, of adsorbing or absorbing the impurities present in the solution. The hydrogen peroxide s... | 04/01/2003 |
| 6533252 | Method for regulated injection of liquid carbon dioxide in a pressured liquid Method and its associated device for the regulated injection of liquid carbon dioxide (CO2.sub..sub.L ) into a liquid (L) under pressure inside a chamber. The liquid carbon dioxide (CO2.sub..sub.L ) is, according to this method, inje... | 03/18/2003 |
| 6521864 | Method and apparatus for the laser cutting of mild steel or structural steel with a multifocus optical component Method and apparatus for cutting a workpiece made of structural steel or mild steel, i.e. alloy or non-alloy steels, by the use of a transparent or reflecting optical unit for focusing a laser beam, and of an assist gas for the laser beam. The optical uni... | 02/18/2003 |
| 6514550 | Method and system for carrying out the disinfestation of products by means of the use of gas under atmospheric pressure with pretreatment in vacuo A method and system for carrying out the disinfestation of a product by means of the use of disinfesting gas under atmospheric pressure with pretreatment in vacuo, the said product being introduced into a first container in which the vacuum is produced an... | 02/04/2003 |
| 6514459 | Process and plant for the treatment of an article with ozonized water A process for the treating of a product comprising the steps of: contacting the product with a solution of ozonized water subjected to stirring during all or part of the contacting, wherein all or part of the stirring is hydraulic in origin; recirculating at l... | 02/04/2003 |
| 6514310 | Process for injection of a gas with the aid of a nozzle The electric arc furnace is equipped with a supersonic injector comprising a so-called Laval nozzle arranged at a certain distance above the bath. The dimensions of the nozzle are calculated as a function of the desired flow rate of oxygen and the desired... | 02/04/2003 |
| 6494228 | Plant for transferring a gas into a liquid A plant for transferring a gas in the gaseous or liquified state into a liquid. The plant includes a pressurized-gas circuit (2) having a device (21, 22) for injecting gas in the gaseous or liquid state into a liquid, a chamber (13) for mixing the gas wit... | 12/17/2002 |
| 6485769 | Food disinfection using ozone Methods and apparatus are provided for decreasing the bacteria count of a food commodity without affecting its overall organoleptic quality (taste, odor, and color). This is accomplished using a treatment fluid comprising ozone, which is injected into a t... | 11/26/2002 |
| 6474264 | Method of improving fish breeding conditions operating in ozonated water A method of improving conditions for breeding aquatic life in a breeding farm comprising the steps of injecting an ozonated gas into a stream of water to achieve a level of ozonation; adding a reducing chemical species to the stream of water in order to s... | 11/05/2002 |
| 6458330 | Installation in which an operation is performed requiring over the atmosphere inside a chamber Optimization of an installation in which an operation is performed that requires control over the atmosphere inside a chamber (3), the operation being performed in the presence of a gaseous mixture capable of giving off emissions, the optimization being o... | 10/01/2002 |
| 6451612 | Method for determining a level of treatment with ozone of a liquid to be treated Method for the determination of a level of treatment with ozone of a liquid to be treated, comprising the steps of: a) storing the liquid to be treated, the liquid having at least one of an initial dissolved oxidant and ozone content of Ci ; b) manu... | 09/17/2002 |
| 6451097 | Air treatment plant provided with noise attenuation means An air treatment plant includes a waste gas vent connected to structure (50) for attenuating the noise conducted by this waste gas. The noise attenuation structure (50) is a substantially closed and at least partially buried enclosure (52). The invention ... | 09/17/2002 |
| 6446457 | Fan and tunnel with fans A intended in particular for equipping a tunnel for refrigeration of products such as food products, wherein this tunnel has a gaseous current flowing through it. The fan includes at least one pair of funnels (1) fixed onto one face of a support (2) mount... | 09/10/2002 |
| 6427902 | Machine for wave soldering of tinning The invention relates to a machine for wave soldering or tinning comprising a solder reservoir (9); means that can form at least one solder wave with a so-called laminar form (8b); a conveyor system (2) that can bring a piece (1) to be soldered or tinned ... | 08/06/2002 |
| 6427481 | Method and device for packaging carbon dioxide snow in a plastic film The invention relates to a method for packaging carbon dioxide snow in a plastic film bag, in which method the following steps are employed: a--a fluid which has a temperature below the dew point of the air is injected into and in contact with the plastic film... | 08/06/2002 |
| 6428710 | Process and plant for the preparation and delivery of ozonated water to a user point The invention relates to a process for the preparation and delivery of ozonated water to at least one user point, according to which a storage buffer tank is provided for the ozonated water, and an upstream ozonation loop is provided, making it possible t... | 08/06/2002 |
| 6418980 | Method for filling gas-insulated electric current transmission lines with gas and process for manufacturing lines which incorporates such a filling method A method for filling a gas-insulated electric current transmission line with gas using an insulating gas mixture, which line comprises an outer tubular sheath, at least one conductor internal to the sheath and coaxial with this sheath, and a space lying b... | 07/16/2002 |
| 6418965 | Device for storing and mixing two gases The invention relates to a device for storing and mixing two gases or mixtures of gases under pressure. The device includes: an outer chamber containing the first of the gases and being equipped with an opening; an inner chamber arranged inside the outer ... | 07/16/2002 |
| 6411909 | Device for measuring the fluid consumption of a user over a given time The invention relates to a device for measuring the fluid consumption of a user over a given measurement time, including a volumetric meter (26) connected to a central information processing unit (28). This unit is designed to take a series of readings at... | 06/25/2002 |
| 6407358 | Process and unit for plasma-arc working with a gas having controlled O2 and N2 contents Process and unit for the arc working, particularly plasma cutting, of a workpiece, in which a plasma torch is supplied with an electric current and with a gas mixture containing oxygen and nitrogen, and a plasma jet obtained by the ionization of the gas m... | 06/18/2002 |
| 6402805 | Method for an improved energy input into a scrap bulk Provided is a method for improving energy input in heating and melting of a scrap bulk. The method includes burning a channel into a scrap bulk with a hot, oxygen-containing gas jet having a temperature of at least 500° C. Additional energy for the heati... | 06/11/2002 |
| 6398104 | Apparatus and method for inerting a wave soldering installation Provided is a method of operating an apparatus for inerting a wave soldering installation having a solder bath and a conveying system for producing one or more solder waves comprising an immersion box which is closed on all sides, shaped like a frame, can... | 06/04/2002 |
| 6389776 | Gas permeable refractory brick for use in regenerative heat exchanger and hot grid formed therefrom Provided are novel gas permeable bricks of a refractory material suitable for use in a hot grid of a regenerative heat exchanger. In accordance with one aspect of the invention, the brick has an inner face and an outer face on opposite sides of the brick.... | 05/21/2002 |
| 6385996 | Process and installation for separation of air by cryogenic distillation In an apparatus for the separation of air by cryogenic distillation, the overhead gas of a mixing column is sent to the passages for warming a bottom reboiler of the low-pressure column of a double column fed with air to be distilled. The production of ox... | 05/14/2002 |
| 6387212 | Process for obtaining fibers integral with calcium carbonate particles The invention relates to a process for obtaining fibers integral with calcium carbonate particles, in which the fibers to be treated are contacted with carbon dioxide generator means and at least one composition comprising Ca++ ions capable of ... | 05/14/2002 |
