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| Number | Title | Issue Date |
| 8130810 | Lasers A laser apparatus comprises a laser having a lasing chamber an inlet to the lasing chamber for a lasing gas containing a heavy noble gas and an outlet from the lasing chamber for the discharge of a flow of lasing gas, wherein the outlet is able to be paced in commun... | 03/06/2012 |
| 8128736 | Carbon dioxide production for enhanced oil recovery A method for producing carbon dioxide by the steps of feeding a CO2-rich feed stream containing fuel gas to an oxygenated oxygen-selective ceramic bed to produce a product stream of carbon dioxide, water, and residual oxygen; adding oxygen to this product... | 03/06/2012 |
| 8127842 | Bitumen production method A method for the production of a CO2 rich stream for sequestration in depleted oil sand reservoirs. The method comprises the steps of: a) purging non-condensable gases from an oil sand reservoir with steam; b) contacting a gaseous oxidant stream comprisin... | 03/06/2012 |
| 7976620 | Methods for hydrogen storage and refrigeration A hydrogen storage system for storing hydrogen gas at elevated pressures and cryogenic temperatures is disclosed. The hydrogen gas is fed to a storage container which contains a physisorption type material and a volatile liquid container for liquid nitrogen. Cryogen... | 07/12/2011 |
| 7975727 | Line for guiding a medium An arrangement for guiding a medium, preferably compressed, gaseous hydrogen, is described. The arrangement encompasses a medium line, a cooling medium return line which surrounds the medium line, and a cooling medium feed line. The cooling medium return line and th... | 07/12/2011 |
| 7964166 | Process for removing contaminants from gas streams The present invention provides for process for inhibiting the levels of nitrogen oxides in process gas streams from sulfuric acid regeneration and production plants. The process gas stream from the waste heat boiler and the candle mist eliminator is contacted with o... | 06/21/2011 |
| 7766995 | Ozone production processes and its use in industrial processes The present invention provides for an improved process for producing ozone which can be used to remove contaminants from gas streams in industrial processes. The improved process uses a separation device after the ozone generating system to separate the ozone from t... | 08/03/2010 |
| 7632475 | Process for removing contaminants from gas streams The present invention provides for process for inhibiting the levels of nitrogen oxides in process gas streams from sulfuric acid regeneration and production plants. The process gas stream from the waste heat boiler and the candle mist eliminator is contacted with o... | 12/15/2009 |
| 7624770 | Intelligent compressor strategy to support hydrogen fueling Multi compressor systems and apparatuses for the manufacture, storage and dispensing of manufactured hydrogen fuel to hydrogen vehicle tanks or remote mobile refuelers are disclosed. ... | 12/01/2009 |
| 7618530 | Heavy oil hydroconversion process A method for the efficient conversion of heavy oil to distillates using sequential hydrocracking in the presence of both supported and colloidal catalyst immediately followed by a high temperature-short residence time thermal treatment. The hydrocracker reaction pro... | 11/17/2009 |
| 7594990 | Hydrogen donor solvent production and use in resid hydrocracking processes A process derived hydrogen donor solvent is used to increase the maximum resid conversion and conversion rate in an ebullated bed resid hydrocracker. The hydrogen donor solvent precursor is produced by hydroreforming reactions within the resid hydrocracker, recovere... | 09/29/2009 |
| 7594639 | Cylinder valve A cylinder valve includes: a single valve member in the form of a spring loaded shuttle, the spring exerting a pressure on the shuttle in a valve-closing direction; a valve seat against which the valve member bears in its valve-closing posi... | 09/29/2009 |
| 7544344 | Process for recovering sulphur from a gas stream containing hydrogen sulphide A feed gas stream containing hydrogen sulfide is subjected to a Claus reaction in a Claus furnace (16). Oxygen or oxygen-enriched air containing at least 80% by volume oxygen is supplied to the furnace (16) to support combustion of the hydrogen sulfide... | 06/09/2009 |
| 7544342 | Hydrogen production process The present invention provides a process for producing hydrogen by passing a hydrocarbon-containing gas over a ceramic monolith at a temperature sufficient to produce hydrogen; and passing an oxygen-containing gas over the ceramic monolith at a temperature sufficien... | 06/09/2009 |
| 7484372 | Multi-bath apparatus and method for cooling superconductors A multi-bath apparatus and method for cooling a superconductor includes both a cooling bath comprising a first cryogen and a shield bath comprising a second cryogen. The cooling bath surrounds the superconductor, and the shield bath surrounds the cooling bath. The c... | 02/03/2009 |
| D576542 | Valve guard for a gas cylinder | 09/09/2008 |
| 7373790 | Nitrogen rejection method and apparatus Nitrogen is rejected from a pressurized feed gas stream comprising methane and nitrogen by cooling the feed gas stream in a main heat exchanger and rectifying the cooled feed gas stream in a double rectification column comprising a higher pressure rectification colu... | 05/20/2008 |
| 7354564 | Partial oxidation of hydrogen sulphide A method of conducting the partial oxidation to sulphur in at least one furnace of part of the hydrogen sulphide content of a feed gas mixture containing from 10 to 60% by volume of hydrogen sulphide but including at least one aromatic hydrocarbon impurity typically... | 04/08/2008 |
| 7351275 | Carbon monoxide production process The present invention provides for a process for producing carbon monoxide. A feed gas stream of hydrogen, carbon monoxide and carbon dioxide is directed to a membrane unit which separates the feed gas stream into two streams. The stream containing carbon monoxide i... | 04/01/2008 |
| 7347887 | Oxygen sorbent compositions and methods of using same Composites and methods useful for oxygen sorption and other uses are presented, the composites comprising: (A) one or more crystalline ceramic oxides selected from compounds within general formula (1): AxA′ | 03/25/2008 |
| 7338549 | Oxygen sorbent compositions and methods of using same Compositions and methods useful for oxygen sorption and other uses are presented, the compositions A composite material comprising components (A) and (B), wherein component (A) is selected from crystalline ceramic materials capable of forming a stable, reversible pe... | 03/04/2008 |
| 7303606 | Oxy-fuel combustion process Production of oxygen-enriched gas streams is disclosed herein. Air streams contact an oxygen-selective mixed conductor particularly a perovskite material whereby oxygen is retained or adsorbed on the perovskite and can be employed in a variety of processes such as i... | 12/04/2007 |
| 7303735 | Process for the removal of contaminants from gas streams The present invention provides for a method and apparatus for removing contaminants from a gas stream such as a flue gas stream from an industrial process. The process utilizes a prescrubber to contact the gas stream before the gas stream contacts an oxidizer in an ... | 12/04/2007 |
| 7263845 | Backup cryogenic refrigeration system Backup refrigeration is provided to a cryogenic refrigeration system comprising multiple cooling loops using a single backup coolant storage vessel. The backup coolant storage vessel is in fluid communication with at least one of the cooling loops, and the cooling l... | 09/04/2007 |
| 7261763 | Method for the recovery and recycle of helium and chlorine Methods for recovering and recycling helium and unreacted chlorine from a process for manufacturing optical fiber are disclosed. Helium-rich and chlorine-rich gas streams are recovered from the consolidation furnace and separated. The helium-rich stream is dried and... | 08/28/2007 |
| 7214331 | Catalyst configuration and methods for syngas production An improved process for the catalytic partial oxidation of hydrocarbons to produce hydrogen and carbon monoxide is disclosed. The process also utilizes a novel catalyst configuration containing at least two serially aligned layers containing a noble metal or transit... | 05/08/2007 |
| 7168256 | Apparatus and method for recovery and recycle of optical fiber coolant gas An apparatus and method for recovering and recycling a coolant gas from a heat exchanger. The apparatus comprises a coolant gas recovery section, and analysis section, and a coolant gas blending section. The coolant gas recovery section recovers a coolant gas contai... | 01/30/2007 |
| 7159405 | Temperature control of gas filling process The present invention provides for a method and apparatus for controlling and raising the temperature of a fitting used to transfer liquefied gas to a storage vessel. A hollow metal tube containing heated inert gas contacts the fitting such that heat is transferred ... | 01/09/2007 |
| 7137279 | Cap assembly and optical fiber cooling process A cap assembly for collecting cooling gas from a coolant chamber tube is disclosed. The cap assembly having connecting means and outlet means extending from its side walls being generally shaped and sized for detachable mounting on the body of the cooling gas chambe... | 11/21/2006 |
| 7127915 | Nitrogen rejection method and apparatus Nitrogen is rejected from a pressurised feed gas stream comprising methane and nitrogen by cooling the feed gas stream in a main heat exchanger 10 and rectifying the cooled feed gas stream in a double rectification column 20 comprising a higher pressur... | 10/31/2006 |
| 7090826 | Monolith based catalytic partial oxidation process for syngas production An improved process for the catalytic partial oxidation of hydrocarbons to produce hydrogen and carbon monoxide and less than ˜2% carbon dioxide is disclosed. The process further permits the reaction to be initiated at room temperature, and utilizes a metal catalys... | 08/15/2006 |
| 7066984 | High recovery carbon monoxide production process The present invention provides for a monolith reactor process for the production of syngas from hydrocarbon and oxygen feeds. The syngas is cooled and separated to produce carbon monoxide and hydrogen, and the purification equipment utilized in this separation proce... | 06/27/2006 |
| 7059152 | Nitrogen rejection method and apparatus Nitrogen is rejected from a feed natural gas stream comprising methane and nitrogen so as to form a primary methane product. The mole fraction of nitrogen in the feed natural gas increases over a period of time. The feed natural gas stream is cooled in a main heat e... | 06/13/2006 |
| 6935364 | Magnetically-operated relief valves A valve comprising a housing having an inlet and spaced therefrom an outlet, a passageway extending between the inlet and the outlet, and a mechanism located in the passageway for controlling the flow of a fluid between the inlet and the outlet, the mechanism includ... | 08/30/2005 |
| 6919059 | Process and apparatus for recovering sulphur from a gas stream containing sulphide Oxygen or oxygen-enriched air is employed to support combustion in furnaces (16) and (26) of part of the hydrogen sulphide content of a first feed gas stream. Sulphur vapour is extracted in condenser (32) from the resulting gas mixture so as to ... | 07/19/2005 |
| 6908601 | Method for the production of nitrogen trifluoride The invention provides a method and apparatus for producing nitrogen trifluoride. The invention involves passing a working fluid through a heat engine cycle and using the mechanical energy generated by the working fluid to produce sufficient mixing intensity within ... | 06/21/2005 |
| 6893620 | Process and apparatus for recovering sulphur from a gas stream containing hydrogen sulphide Oxygen or oxygen-enriched air is employed to support combustion in furnace (16) of part of the hydrogen sulphide content of a first feed gas stream. Sulphur is extracted from the resulting gas stream in a sulphur condenser (26). Catalyst Claus reaction... | 05/17/2005 |
| 6851316 | Apparatus and method for recovery and recycle of tracer gas from leak testing process with randomly varying demand An apparatus and method for recovering and recycling a tracer gas from a leak testing process. The apparatus comprises a leak testing section, a gas recovery/blending section, and a gas analysis/recycle section. The leak testing section operates to perform various l... | 02/08/2005 |
| 6837071 | Nitrogen rejection method and apparatus Nitrogen is rejected from a feed gas stream comprising methane and nitrogen so as to form a methane product. The feed gas is separated in a double rectification column comprising a higher pressure rectification column 14, a lower pressure rectification column 16, an... | 01/04/2005 |
| 6789400 | Cap assembly and optical fiber cooling process A cap assembly for collecting cooling gas from a coolant chamber tube is disclosed. The cap assembly having connecting means and outlet means extending from its side walls being generally shaped and sized for detachable mounting on the body of the cooling gas chambe... | 09/14/2004 |
