1
Stewart C Jepson: Methods and apparatus for improved energy efficient control of an electric arc furnace fume extraction system. Air Liquide America, Linda K Russell, Christopher J Cronin, June 8, 2004: US06748004 (62 worldwide citation)

A fume extraction system includes a combustion zone coupled with an exhaust outlet of a furnace to receive an exhaust gas stream emerging from the furnace outlet during system operation, where the exhaust gas stream includes explosive gases that undergo combustion reactions within the combustion zon ...


2
Richard A Sauer, Jean Luc Hubert, Robert W Connors: Pressure-swing absorption based cleaning methods and systems. Air Liquide America Corporation, Burns Doane Swecker & Mathis, March 16, 1999: US05881577 (55 worldwide citation)

The cleaning process according to the present invention includes three main steps including supercritical extraction of soluble contaminants with a solvent composition, subcritical removal of particulate material with agitation, and solvent recovery and recycle. The supercritical extraction of solub ...


3
Mahendra L Joshi, Ovidiu Marin, Olivier Charon, Jacques Dugue: System and method for oxidant injection in rotary kilns. Air Liquide America, L Air Liquide Societe Anonyme pour l Etude Et l Exploitation des Procedes Georges Claude, Burns Doane Swecker & Mathis, September 12, 2000: US06116896 (43 worldwide citation)

A system and method for increasing the amount of oxygen in a kiln chamber is disclosed. The radial surface of a rotatable kiln is provided with at least one oxidant injection port extending through the radial surface into the kiln chamber. A cam is connected to the radial surface adjacent the oxidan ...


4
Karl J Urquhart, John B Thompson, Joe G Hoffman: Method for continuously blending chemical solutions. Air Liquide America, Elwood L Haynes, Linda K Russell, October 5, 2004: US06799883 (36 worldwide citation)

Provided are a method and apparatus for continuously blending a chemical solution for use in semiconductor processing. The method involves the step of: mixing a first chemical stream with a second chemical stream in a controlled manner, to form a stream of a solution having a predetermined formulati ...


5
Nils E Tellier: System for compressing air and extracting nitrogen from compressed air. Air Liquide America Corporation, Burns Doane & Mathis, March 5, 1996: US05496388 (28 worldwide citation)

A system for extracting nitrogen from air to produce a flow of nitrogen includes a compressor for compressing air and an air separator connected to the compressor for producing nitrogen from the compressed air. The compressor is provided with a reducing device for reducing an effective length of the ...


6
Joe G Hoffman, R Scot Clark, Allen H Jones Jr: System and method for on-site mixing of ultra-high-purity chemicals for semiconductor processing. Air Liquide America Corporation, Burns Doane Swecker & Mathis L, April 18, 2000: US06050283 (28 worldwide citation)

A system and method for mixing and/or diluting ultrapure fluids, such as liquid acids, for semiconductor processing. The system includes first and second chemical dispensers, the first and second chemical dispensers adapted to contain first and second fluids to be mixed, respectively; a process conn ...


7
Robert W Conners, Richard Sauer, John Luc Hubert, Carol A Schnepper, Michael Thaler, Christine Boisrobert, Tsz Ching J Yuan, Miles Bajcar: Process and equipment for sanitizing and packaging food using ozone. Air Liquide America Corporation, American Air Liquide, Burns Doane Swecker & Mathis L, July 11, 2000: US06086833 (26 worldwide citation)

Systems and processes are described for sanitizing a food product with ozone gas. The ozone gas is generated using a low pressure, low volume ozone gas generator and is delivered to a fluid injector. The fluid injector receives high pressure carrier fluid from a carrier fluid source and causes the o ...


8
Ashutosh Misra: Plasma cleaning and etching methods using non-global-warming compounds. Air Liquide America Corporation, Burns Doane Swecker & Mathis L, June 5, 2001: US06242359 (24 worldwide citation)

Provided is a novel method of cleaning a chemical vapor deposition processing chamber having deposits on an inner surface thereof is provided. The process involves forming a plasma from one or more gases comprising a fluorine-containing but otherwise halogen-free non-global-warming compound, and con ...


9
Dean L Doty, Yan Xu, Stephen Chesters, Ben R Hall, Roger Q Petton, Thomas P Ross, Charles A White, Reginald Wynne: Apparatus and method for mixing gases. Air Liquide America, Linda K Russell, Elwood L Haynes, August 10, 2004: US06772781 (23 worldwide citation)

Provided are apparatuses and methods for mixing gases. The apparatuses are suitable for use in the manufacture of an electronic device. The apparatuses include a gas mixing manifold. A first, bulk gas source is connected to introduce a flow of a first gas to the manifold. A second gas source is conn ...


10
Robert I Ezrielev, Richard B Barrett: Time-temperature indicator devices. Temple Division Air Liquide America Corporation, Burns Doane Swecker & Mathis, December 19, 1995: US05476792 (21 worldwide citation)

A time-temperature indicator device for recording the duration of time over which a temperature has been established above a predetermined temperature, which device includes a dye-compatible polymer composition having a softening point above the predetermined temperature and a polymer-compatible dye ...