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| Number | Title | Issue Date |
| 8177545 | Method for operating a combustor having a catalyst bed A method for operating a combustor having a catalyst bed. The method includes the steps of directing a flow of air through a catalyst bed, providing heat to the catalyst bed, sensing the temperature in an upstream portion of the catalyst bed to provide an upstream t... | 05/15/2012 |
| 8153311 | Method and apparatus for burst disk identification The present invention provides a method and apparatus for identifying an activation of a burst disk. A pressure data or a temperature data relating to a flow is received. A determination is made whether the flow is interrupted based upon the at least one of the pres... | 04/10/2012 |
| 8119299 | Coolant system for fuel processor A coolant subsystem for use in a fuel processor and a method for its operation are disclosed. In accordance with a first aspect, the coolant subsystem is separate from the feed to the processor reactor and is capable of circulating a coolant through the processor re... | 02/21/2012 |
| 7988751 | Method for producing hydrogen A method for controlling the purity of hydrogen in a reforming apparatus is described where in the apparatus includes a fuel processor, a purification unit and a system controller. The controller determines a calculated flow of reformate from the fuel processor and ... | 08/02/2011 |
| 7892304 | Apparatus and method for controlling compressor motor speed in a hydrogen generator An apparatus for producing hydrogen having compressor motor speed control. The apparatus includes a hydrogen generator for producing a product comprising hydrogen and a compression unit for compressing the product. The hydrogen generator can include a fuel processor... | 02/22/2011 |
| 7858245 | Methods of using integrated fuel processor apparatus and enclosure An integrated fuel processor apparatus and enclosure for converting hydrocarbon fuel to a hydrogen rich gas. The integrated apparatus includes a fuel processor for producing a hydrogen-rich reformate that contains water and a combustible gas component. The fuel proc... | 12/28/2010 |
| 7857875 | Autothermal reforming in a fuel processor utilizing non-pyrophoric shift catalyst A method for start-up and shut down of a fuel processor including an autothermal reformer employing a non-pyrophoric shift catalyst is disclosed. Also disclosed are a computer programmed to start-up or shut down a fuel processor including an autothermal reformer emp... | 12/28/2010 |
| 7857059 | Apparatus for mitigating slugging in flowline systems A system for mitigating slugging in the conveyance of hydrocarbons in a flowline includes a first portion of flowline that extends substantially longitudinally along a declining surface. The first flowline portion carries multiphase hydrocarbons. A second portion of... | 12/28/2010 |
| 7829227 | Integrated fuel processor apparatus and enclosure and methods of using same An integrated fuel processor apparatus and enclosure for converting hydrocarbon fuel to a hydrogen rich gas. The integrated apparatus includes a fuel processor for producing a hydrogen-rich reformate that contains water and a combustible gas component. The fuel proc... | 11/09/2010 |
| 7785539 | Method of controlling a hydrogen generator A method and apparatus for use in generating hydrogen are disclosed. The apparatus includes a fuel processor capable of producing a reformate from a fuel; a hydrogen purifier capable of generating a purified hydrogen gas stream from the reformate; a compressor capab... | 08/31/2010 |
| 7763087 | Safety system architecture for a hydrogen fueling station An apparatus and a method for use in controlling the apparatus are disclosed. The apparatus includes a purified hydrogen generator; at least one of a compression unit, a storage unit, and a dispensing unit; and a system controller. The system controller is capable o... | 07/27/2010 |
| 7645307 | Combinational control strategy for fuel processor reactor shift temperature control A method and apparatus for use in controlling the reaction temperature of a fuel processor are disclosed. The apparatus includes a fuel processor reactor, the reactor including a water gas shift reaction section; a temperature sensor disposed within the reaction sec... | 01/12/2010 |
| 7593788 | Automated control strategy for fuel processor reactor shift catalyst regeneration A method and apparatus for use in regenerating a reactor shift bed catalyst are disclosed. The method comprises monitoring the saturation level of a reactor shift bed catalyst in a reformer; automatically detecting that the reactor shift bed catalyst has entered a s... | 09/22/2009 |
| 7572304 | Apparatus and method for preferential oxidation of carbon monoxide An apparatus and method for the preferential oxidation of carbon monoxide in a hydrogen-rich fluid. The apparatus utilizes one or more reactors that are dimensioned to optimize the exothermic oxidation reaction and the transfer of heat to and from the catalyst bed. ... | 08/11/2009 |
| 7544346 | Compact fuel processor for producing a hydrogen rich gas A multi-step process of converting hydrocarbon fuel to a substantially pure hydrogen gas feed includes a plurality of modules stacked end-to-end along a common axis. Each module includes a shell having an interior space defining a passageway for the flow of gas from... | 06/09/2009 |
| 7524343 | Dual stack compact fuel processor for producing a hydrogen rich gas An apparatus for carrying out a multi-step process of converting hydrocarbon fuel to a substantially pure hydrogen gas feed includes a plurality of modules each module being in fluid communication with adjacent modules. The modules may be arranged axially along a co... | 04/28/2009 |
| 7474078 | Cell maintenance device for fuel cell stacks A method and apparatus for maintaining the cells of a fuel cell stack are disclosed. The apparatus includes a fuel cell maintenance device including means for imposing a low impedance across at least one cell of a fuel cell stack, e.g., a switch, and a pulse generat... | 01/06/2009 |
| 7455817 | Compact fuel processor for producing a hydrogen rich gas An apparatus for carrying out a multi-step process of converting hydrocarbon fuel to a substantially pure hydrogen gas feed includes a plurality of modules stacked end-to-end along a common axis. Each module includes a shell having an interior space defining a passa... | 11/25/2008 |
| 7442216 | Compact fuel processor An apparatus for carrying out a multi-step process of converting hydrocarbon fuel to a substantially pure hydrogen gas feed includes a plurality of reaction zones arranged in an insulated, box-shaped, compact fuel processor. The multi-step process includes preheatin... | 10/28/2008 |
| 7410710 | Firstout shutdown tracing for fuel processor control system A method and apparatus for determining which condition in a fuel processor has initiated a shutdown of the fuel processor are disclosed. In general, the apparatus generates a plurality of shutdown initiator signals, each corresponding to one of a plurality of shutdo... | 08/12/2008 |
| 7402287 | Apparatus and methods for producing hydrogen An apparatus and method for producing hydrogen. The apparatus includes a fuel processor, a purification unit and a system controller. The controller determines a calculated flow of reformate from the fuel processor and operates the purification unit based on the cal... | 07/22/2008 |
| 7384621 | Reforming with hydration of carbon dioxide fixing material Methods for converting hydrocarbon fuels to hydrogen-rich reformate that incorporate a carbon dioxide fixing mechanism into the initial hydrocarbon conversion process. The mechanism utilizes a carbon dioxide fixing material to remove carbon dioxide from the reformat... | 06/10/2008 |
| 7354463 | Apparatus and methods for producing hydrogen An apparatus and method for producing a hydrogen-enriched reformate. The apparatus includes a fuel processor for producing a reformate having fluctuations in a pressure and/or flow rate and means for reducing the fluctuations. The reformate comprises impurities that... | 04/08/2008 |
| 7354464 | Apparatus and method for producing hydrogen An apparatus and method for producing a hydrogen-enriched reformate. The apparatus includes a fuel processor for converting a fuel to a reformate having fluctuations in pressure and or flow rate, means for reducing the fluctuations, a compression unit for compressin... | 04/08/2008 |
| 7338603 | Process using rare earths to remove oxyanions from aqueous streams Oxyanions of various contaminant elements, such as chromium, antimony, molybdenum, tungsten, vanadium and uranium, are removed from water and other aqueous feeds by treating the feed with (1) a sorbent comprising one or more rare earth compounds, usually mixed or su... | 03/04/2008 |
| 7318970 | Architectural hierarchy of control for a fuel processor A control technique for use in a fuel processor is disclosed. In one aspect, a control system includes a subsystem manager controller the operation of a respective physical subsystem for each of a plurality of physical subsystems in the fuel processor. The subsystem... | 01/15/2008 |
| 7300589 | Process for removing arsenic from aqueous streams Arsenic is removed from water and other aqueous feeds by (1) treating the feed with a compound containing cerium in the +4 oxidation state, preferably cerium dioxide, to oxidize arsenic in the +3 oxidation state to arsenic in the +5 oxidation state and (2) removing ... | 11/27/2007 |
| 7299643 | Method for recovering LPG boil off gas using LNG as a heat transfer medium A process for condensing a C3-C4 hydrocarbon vapor which comprises contacting the C3-C4 hydrocarbon vapor with a heat exchanger surface which is cooled by contact with LNG and recovering a liquefied C3-C4 | 11/27/2007 |
| 7270688 | Compact fuel processor for producing a hydrogen rich gas An apparatus for carrying out a multi-step process of converting hydrocarbon fuel to a substantially pure hydrogen gas feed includes a plurality of modules stacked end-to-end along a common axis. Each module includes a shell having an interior space defining a passa... | 09/18/2007 |
| 7241393 | Method and apparatus for separating solids from a slurry Method and apparatus for separating components of a slurry comprising solid particles and liquid components, particularly where the slurry is under pressure. The components are separated in a hydrocyclone such that a solids-enriched slurry exits the separator via an... | 07/10/2007 |
| 7235217 | Method and apparatus for rapid heating of fuel reforming reactants Apparatus and method for rapidly heating one or more reactants for use in a fuel reformer. The apparatus includes a combustion section having an outer wall enclosing a combustion chamber and a catalyst disposed within the combustion chamber. A heat recovery section ... | 06/26/2007 |
| 7234323 | Recovering natural gas liquids from LNG using vacuum distillation A process for recovering liquefied C3 compounds from a natural gas stream containing C3 compounds which comprises (a) chilling the natural gas stream under conditions sufficient to liquefy the natural gas, whereby a mixture comprising liquid na... | 06/26/2007 |
| D544885 | Pump and island for fuel dispensing station | 06/19/2007 |
| 7226490 | Fuel processor for producing a hydrogen rich gas An apparatus for converting hydrocarbon fuel to a hydrogen rich gas including a first heat exchanger for heating the hydrocarbon fuel, a first desulfurization reactor for reacting a heated hydrocarbon fuel to produce a substantially desulfurized hydrocarbon fuel, a ... | 06/05/2007 |
| 7219628 | Vaporizer and methods relating to same An apparatus for vaporizing a liquid and heating the vaporized liquid to an elevated temperature. The apparatus has a heat transfer wall having an outer surface for receiving heat and transferring the heat to an inner surface. A wick material is disposed so that a p... | 05/22/2007 |
| 7184847 | Method and system for controlling a process in a plant A method and system are disclosed for controlling a process by establishing a control factor for a proportional-integral-derivative (PID) controller used to control a parameter of a process relative to a setpoint. A feedback signal regarding the parameter of the pro... | 02/27/2007 |
| D537532 | Canopy for a fuel dispensing station | 02/27/2007 |
| D537170 | Canopy for a fuel dispensing station | 02/20/2007 |
| 7166146 | Mixed matrix membranes with small pore molecular sieves and methods for making and using the membranes A mixed matrix membrane is provided which comprises a continuous phase organic polymer and small pore molecular sieves dispersed therein. The molecular sieves have a largest minor crystallographic free diameter of 3.6 Angstroms or less. When these molecular sieves a... | 01/23/2007 |
| 7160340 | Single chamber compact fuel processor An apparatus for carrying out a multi-step process of converting hydrocarbon fuel to a substantially pure hydrogen gas feed includes a plurality of reaction zones arranged in a common reaction chamber. The multi-step process includes: providing a fuel to the fuel pr... | 01/09/2007 |
