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Praxair Technology Inc patents


Recent patent applications related to Praxair Technology Inc. Praxair Technology Inc is listed as an Agent/Assignee. Note: Praxair Technology Inc may have other listings under different names/spellings. We're not affiliated with Praxair Technology Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "P" | Praxair Technology Inc-related inventors


System and apparatus for creating a liquid carbon dioxide fracturing fluid

A method, system, and apparatus required for creating a mixture of dry proppant and liquid carbon dioxide (lco2) for fracturing oil and gas formations is presented. The operation includes making a mixture of dry proppant and liquid carbon dioxide (lco2) for use in a fracturing operation by supplying dry proppant that is pressurized to between 75 and 600 psia with a gas; further supplying a stream of sub-cooled lco2 having a pressure substantially equal to that of the pressurized dry proppant; and adding dry, pressurized proppant to the stream of sub-cooled lco2, thereby forming a mixed lco2 and proppant fracturing slurry.. ... Praxair Technology Inc

Method and system for optimizing acetylene delivery

This invention relates to a method and system for increasing the utilization of the supply of acetylene from two acetylene sources. The flow is provided at a substantially constant delivery pressure to a point of use, such as a customer point of use. ... Praxair Technology Inc

Transportable container, charger system, method and kit for generation of carbon dioxide snow block in-situ within the transportable container for preservation of items stored therewithin

This invention relates to a novel kit, transportable apparatus and method for generating in-situ co2 snow block within the apparatus. An item such as a biological sample can be stored and transported within the same apparatus that is employed for creating the co2 snow block. ... Praxair Technology Inc

Container for pressurized gas

Disclosed are articles useful as the body of a container for containing gas under pressure, and containers which comprise the articles to which are affixed valves to control the flow of gas out of the container, wherein the articles comprise a hollow container body, having an external surface and having an opening through which gas can enter or leave the interior of the hollow container body; optionally but preferably a layer of fiber-reinforced polymer around the exterior of the container body, and an external layer of elastomer around and sealed to the external surface of the layer of fiber-reinforced polymer if present or else to the cylinder body.. . ... Praxair Technology Inc

Wastewater treatment operational method

A method of operating a waste water treatment facility to prevent bulking in which growth of floc forming bacteria is promoted within a selector aeration tank by controlling absorption and bio-oxidation of biodegradable soluble chemical oxygen demand by the bacteria. Absorption is controlled through measurement of a percentage removal of biodegradable soluble chemical oxygen demand and bio-oxidation is controlled through measurement of temperature corrected specific oxygen uptake rate. ... Praxair Technology Inc

Method and system for oxygen transport membrane enhanced integrated gasifier combined cycle (igcc)

A system and method for oxygen transport membrane enhanced integrated gasifier combined cycle (igcc) is provided. The oxygen transport membrane enhanced igcc system is configured to generate electric power and optionally produce a fuel/liquid product from coal-derived synthesis gas or a mixture of coal-derived synthesis gas and natural gas derived synthesis gas.. ... Praxair Technology Inc

Storage and sub-atmospheric delivery of dopant compositions for carbon ion implantation

A supply source for delivery of a co-containing dopant gas composition is provided. The composition includes a controlled amount of a diluent gas mixture such as xenon and hydrogen, which are each provided at controlled volumetric ratios to ensure optimal carbon ion implantation performance. ... Praxair Technology Inc

Boron-containing dopant compositions, systems and methods of use thereof for improving ion beam current and performance during boron ion implantation

A novel composition, system and method for improving beam current during boron ion implantation are provided. In a preferred aspect, the boron ion implant process involves utilizing b2h6, 11bf3 and h2 at specific ranges of concentrations. ... Praxair Technology Inc

Filling station for cryogenic refrigerant

A filling station for filling a liquid cryogenic refrigerant from a supply tank to a receiver tank, the filling station comprising a flash tank between the supply tank and the receiver tank, adapted to de-pressurize the refrigerant that is transferred from the flash tank to the receiver tank, resulting in formation of a liquid cryogenic refrigerant phase and a vapour cryogenic refrigerant phase within the flash tank, and to phase separate the liquid and vapour cryogenic refrigerant phase, and a pump between the flash tank and the receiver tank, adapted for pumping the refrigerant out of the flash tank to the receiver tank, wherein the flash tank has a size and the pump has an outflow of refrigerant such that the ratio between the size of the flash tank and the outflow of refrigerant out of the pump is equal to or more than 1.. . ... Praxair Technology Inc

Filling station for cryogenic refrigerant

A filling station for filling a liquid cryogenic refrigerant from a supply tank to a receiver tank, the filling station comprising a flash tank between the supply tank and the receiver tank, adapted to de-pressurize the refrigerant that is transferred from the flash tank to the receiver tank, resulting in formation of a liquid cryogenic refrigerant phase and a vapour cryogenic refrigerant phase within the flash tank, and to phase separate the liquid and vapour cryogenic refrigerant phase, and a pump between the flash tank and the receiver tank, adapted for pumping the refrigerant out of the flash tank to the receiver tank, wherein the flash tank is equipped with a level control unit that is arranged to keep the level of the liquid cryogenic refrigerant phase within the flash tank at a predetermined minimum.. . ... Praxair Technology Inc








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