| Patent Number |
Title Of Patent |
Date Issued |
| D467191 |
End plate |
December 17, 2002 |
|
| 7410531 |
Hydrogen purification membranes, components and fuel processing systems containing the same |
August 12, 2008 |
| Hydrogen-producing fuel processing systems, hydrogen purification membranes, hydrogen purification devices, and fuel processing and fuel cell systems that include hydrogen purification devices. In some embodiments, the fuel processing systems and the hydrogen purification membranes i |
| 7399342 |
Systems and methods for regulating heating assembly operation through pressure swing adsorption |
July 15, 2008 |
| Pressure swing adsorption (PSA) assemblies with purge control systems, and hydrogen-generation assemblies and/or fuel cell systems containing the same. The PSA assemblies are operated according to a PSA cycle to produce a product hydrogen stream and a byproduct stream from a mixed gas st |
| 7393382 |
Temperature-based breakthrough detection and pressure swing adsorption systems and fuel processi |
July 1, 2008 |
| Pressure swing adsorption (PSA) assemblies with temperature-based breakthrough detection systems, as well as to hydrogen-generation assemblies and/or fuel cell systems containing the same, and to methods of operating the same. The detection systems are adapted to detect a measured te |
| 7390587 |
Fuel cell system with load management |
June 24, 2008 |
| A fuel cell system having partial and/or total redundancy of at least one operational component, such as a redundancy of fuel cell stacks and/or fuel processors. In some embodiments, the fuel cell system includes a plurality of fuel cell stacks adapted to deliver the same maximum rated |
| 7368195 |
System and method for early detection of contaminants in a fuel processing system |
May 6, 2008 |
| A system and method for preventing damage to a fuel cell stack resulting from impurities in a hydrogen stream delivered thereto. In some embodiments, the hydrogen stream is a product hydrogen stream from a fuel processor. In some embodiments, the impurities may result from a failure |
| 7368194 |
Fuel processor feedstock delivery system |
May 6, 2008 |
| A feedstock mixing apparatus for fuel processing systems, and fuel processing and fuel cell systems incorporating the same. A fuel processing system according to the present invention includes one or more fuel processors adapted to produce a product hydrogen stream from a feed stream |
| 7297183 |
Hydrogen purification devices, components, and fuel processing systems containing the same |
November 20, 2007 |
| Hydrogen purification devices, components thereof, and fuel processors and fuel cell systems containing the same. The hydrogen purification devices include an enclosure, such as a pressure vessel, that contains a separation assembly adapted to receive under pressure a mixed gas stream |
| 7258946 |
Fuel cells and fuel cell systems containing non-aqueous electrolytes |
August 21, 2007 |
| Fuel cells and fuel cell systems that include at least one non-aqueous electrolyte. Fuel cells according to the present disclosure may include an anode region that is adapted to receive an anode feed stream containing chemically bound hydrogen and which liberates protons at an anode |
| 7250231 |
Auxiliary fuel cell system |
July 31, 2007 |
| Auxiliary fuel cell system that provides backup power to a primary power source, and energy-consuming systems that are otherwise associated with at least one primary power source and at least one auxiliary fuel cell system. The auxiliary fuel cell system includes at least one fuel cell |
| 7208241 |
System and method for controlling the operation of a fuel processing system |
April 24, 2007 |
| A control system and method for a fuel processing system. The control system automates the operation of a fuel processing system by monitoring operating parameters and automatically controlling the operation of the system responsive to the monitored parameters, predefined subroutines |
| 7201783 |
Fuel processing system and improved feedstock therefor |
April 10, 2007 |
| An improved feedstock for fuel processing systems, and fuel processing systems incorporating the same. The fuel processing system includes a fuel processor adapted to produce a product hydrogen stream from a carbon-containing feedstock. The fuel processing system may also include a f |
| 7195663 |
Hydrogen purification membranes, components and fuel processing systems containing the same |
March 27, 2007 |
| Hydrogen-producing fuel processing systems, hydrogen purification membranes, hydrogen purification devices, and fuel processing and fuel cell systems that include hydrogen purification devices. In some embodiments, the fuel processing systems and the hydrogen purification membranes i |
| 7147677 |
Bipolar plate assembly, fuel cell stacks and fuel cell systems incorporating the same |
December 12, 2006 |
| A layered bipolar plate assembly and fuel cell stacks and fuel cell systems incorporating the same. In some embodiments, the bipolar plate assembly includes a structural metal that provides strength to the assembly and a conductive metal that provides favorable electrical conductivit |
| 7135048 |
Volatile feedstock delivery system and fuel processing system incorporating the same |
November 14, 2006 |
| A fuel processing assembly adapted to produce hydrogen gas from a volatile feedstock. The fuel processing assembly includes a fuel processor, such as a steam reformer. The fuel processing assembly further includes a feed assembly adapted to deliver a volatile feedstock, such as propane, |
| 7128769 |
Methanol steam reforming catalysts, steam reformers, and fuel cell systems incorporating the sam |
October 31, 2006 |
| Methanol steam reforming catalysts, and steam reformers and fuel cell systems incorporating the same. In some embodiments, the methanol steam reforming catalyst includes zinc oxide as an active component. In some embodiments, the methanol steam reforming catalyst further includes at |
| 7101421 |
Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of for |
September 5, 2006 |
| Membrane modules that contain one or more hydrogen-selective membranes, methods for preparing the same, and hydrogen purification systems, fuel processors and devices containing the same. In some embodiments, the membrane modules include one or more hydrogen-selective membranes suppo |
| 7052530 |
Hydrogen purification membranes, components and fuel processing systems containing the same |
May 30, 2006 |
| Hydrogen purification membranes, hydrogen purification devices, and fuel processing and fuel cell systems that include hydrogen purification devices. The hydrogen purification membranes include a metal membrane, which is at least substantially comprised of palladium or a palladium al |
| 7008708 |
System and method for early detection of contaminants in a fuel processing system |
March 7, 2006 |
| A system and method for preventing damage to a fuel cell stack resulting from impurities in the product stream from a fuel processor, such as may occur should the separation region of the fuel processor fail. The system and method include detecting the concentration of at least one compo |
| 7005113 |
Steam reforming method and apparatus incorporating a hydrocarbon feedstock |
February 28, 2006 |
| A fuel processing assembly adapted to produce hydrogen gas from a carbon-containing feedstock. The fuel processing assembly includes a fuel processor, such as a steam reformer. The fuel processing assembly further includes a feed assembly adapted to deliver a carbon-containing feedst |
| 6994927 |
Integrated fuel cell system |
February 7, 2006 |
| The invented system includes a fuel-cell system comprising a fuel cell that produces electrical power from air (oxygen) and hydrogen, and a fuel processor that produces hydrogen from a variety of feedstocks. One such fuel processor is a steam reformer which produces purified hydrogen fro |
| 6979507 |
Fuel cell system controller |
December 27, 2005 |
| A fuel cell system that includes a control system for regulating the power produced by the fuel cell system. The fuel cell system includes a fuel cell stack adapted to produce electrical power from a feed. In some embodiments, the fuel cell system includes a fuel processing assembly |
| 6953497 |
Hydrogen purification devices, components and fuel processing systems containing the same |
October 11, 2005 |
| Hydrogen purification devices, components thereof, and fuel processors and fuel cell system containing the same. The hydrogen purification devices include an enclosure that contains a separation assembly adapted to receive a mixed gas stream containing hydrogen gas and to produce a strea |
| 6890672 |
Fuel processor feedstock delivery system |
May 10, 2005 |
| A feedstock mixing apparatus for fuel processing systems, and fuel processing and fuel cell systems incorporating the same. A fuel processing system according to the present invention includes one or more fuel processors adapted to produce a product hydrogen stream from a feed stream |
| 6887605 |
System and method for optimizing fuel cell purge cycles |
May 3, 2005 |
| A system for optimizing the purge cycle of a fuel cell stack responsive to the performance of the fuel cell. The system includes a controller that measures a process parameter indicative of the rate at which water is being produced in the fuel cell. If the measured value exceeds a thresh |
| 6878474 |
System and method for recovering thermal energy from a fuel processing system |
April 12, 2005 |
| A system and method for recovering thermal energy from a fuel processing system comprising a fuel processor and a fuel cell stack. The system includes a heat recovery system including a heat exchange fluid that recovers thermal energy from such sources as the combustion exhaust from |
| 6869707 |
Integrated fuel cell system |
March 22, 2005 |
| The invented system includes a fuel-cell system comprising a fuel cell that produces electrical power from air (oxygen) and hydrogen, and a fuel processor that produces hydrogen from a variety of feedstocks. One such fuel processor is a steam reformer which produces purified hydrogen fro |
| 6858341 |
Bipolar plate assembly, fuel cell stacks and fuel cell systems incorporating the same |
February 22, 2005 |
| A layered bipolar plate assembly and fuel cell stacks and fuel cell systems incorporating the same. In some embodiments, the bipolar plate assembly includes a structural metal that provides strength to the assembly and a conductive metal that provides favorable electrical conductivity. I |
| 6835481 |
Fuel cell system with load management |
December 28, 2004 |
| A fuel cell system having partial and/or total redundancy of at least one operational component, such as a redundancy of fuel cell stacks and/or fuel processors. In some embodiments, the fuel cell system includes a plurality of fuel cell stacks adapted to deliver the same maximum rated |
| 6824593 |
Hydrogen purification membranes, components and fuel processing systems containing the same |
November 30, 2004 |
| Hydrogen purification membranes, hydrogen purification devices, and fuel processing and fuel cell systems that include hydrogen purification devices. The hydrogen purification membranes include a metal membrane, which is at least substantially comprised of palladium or a palladium al |
| 6818335 |
System and method for early detection of contaminants in a fuel processing system |
November 16, 2004 |
| A system and method for preventing damage to a fuel cell stack resulting from impurities in the product stream from a fuel processor, such as may occur should the separation region of the fuel processor fail. The system and method include detecting the concentration of at least one compo |
| 6811908 |
System and method for controlling the operation of a fuel processing system |
November 2, 2004 |
| A control system and method for a fuel processing system. The control system automates the operation of a fuel processing system by monitoring operating parameters and automatically controlling the operation of the system responsive to the monitored parameters, predefined subroutines |
| 6783741 |
Fuel processing system |
August 31, 2004 |
| A fuel processing system is disclosed. The system includes a steam reformer adapted to produce hydrogen from a feedstock consisting of water and at least one of an alcohol and a hydrocarbon feedstock. The feedstock is exposed to one or more reformation regions including a reformation |
| 6767389 |
Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of for |
July 27, 2004 |
| Membrane modules that contain one or more hydrogen-selective membranes, methods for preparing the same, and hydrogen purification systems, fuel processors and devices containing the same. In some embodiments, the membrane modules include one or more hydrogen-selective membranes suppo |
| 6723156 |
Hydrogen purification membranes, components and fuel processing systems containing the same |
April 20, 2004 |
| Hydrogen purification membranes, hydrogen purification devices, and fuel processing and fuel cell systems that include hydrogen purification devices. The hydrogen purification membranes include a metal membrane, which is at least substantially comprised of palladium or a palladium al |
| 6719832 |
Hydrogen purification devices, components and fuel processing systems containing the same |
April 13, 2004 |
| A hydrogen purification device, components thereof, and fuel processors and fuel cell system containing the same. The hydrogen purification devices include an enclosure that contains a separation assembly adapted to receive a mixed gas stream containing hydrogen gas and to produce a stre |
| 6719831 |
Hydrogen purification membranes, components and fuel processing systems containing the same |
April 13, 2004 |
| Hydrogen purification membranes, hydrogen purification devices, and fuel processing and fuel cell systems that include hydrogen purification devices. The hydrogen purification membranes include a metal membrane, which is at least substantially comprised of palladium or a palladium al |
| 6667128 |
Fuel cells and fuel cell systems containing non-aqueous electrolytes |
December 23, 2003 |
| The present invention provides fuel cells and fuel cell systems that include a non-aqueous electrolyte. Fuel cells according to the present invention include an anode region adapted to receive a hydrogen stream, a cathode region adapted to receive a stream containing oxygen, and an e |
| 6632270 |
Hydrogen purification membranes, components and fuel processing systems containing the same |
October 14, 2003 |
| Hydrogen purification membranes, hydrogen purification devices, and fuel processing and fuel cell systems that include hydrogen purification devices. The hydrogen purification membranes include a metal membrane, which is at least substantially comprised of palladium or a palladium al |
| 6596057 |
Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of for |
July 22, 2003 |
| Membrane modules that contain one or more hydrogen-selective membranes, methods for preparing the same, and hydrogen purification systems, fuel processors and devices containing the same. In some embodiments, the membrane modules include one or more hydrogen-selective membranes suppo |
| 6569227 |
Hydrogen purification devices, components and fuel processing systems containing the same |
May 27, 2003 |
| A hydrogen purification device, components thereof, and fuel processors and fuel cell system containing the same. The hydrogen purification devices include an enclosure that contains a separation assembly adapted to receive a mixed gas stream containing hydrogen gas and to produce a stre |
| 6562111 |
Hydrogen purification devices, components and fuel processing systems containing the same |
May 13, 2003 |
| A hydrogen purification device, components thereof, and fuel processors and fuel cell system containing the same. The hydrogen purification devices include an enclosure that contains a separation assembly adapted to receive a mixed gas stream containing hydrogen gas and to produce a stre |
| 6547858 |
Hydrogen-permeable metal membrane and hydrogen purification assemblies containing the same |
April 15, 2003 |
| A hydrogen-permeable metal membrane with increased hydrogen flux compared to conventional metal membranes is disclosed. Without sacrificing selectivity, the membrane enables a greater throughput of purified hydrogen. A method for preparing the invention includes at least one etching |
| 6537352 |
Hydrogen purification membranes, components and fuel processing systems containing the same |
March 25, 2003 |
| Hydrogen purification membranes, hydrogen purification devices, and fuel processing and fuel cell systems that include hydrogen purification devices. The hydrogen purification membranes include a metal membrane, which is at least substantially comprised of palladium or a palladium al |
| 6495277 |
Fuel cell system controller |
December 17, 2002 |
| A fuel cell system that includes a control system for regulating the power produced by the fuel cell system. The fuel cell system includes a fuel cell stack adapted to produce electrical power from a feed. In some embodiments, the fuel cell system includes a fuel processing assembly |
| 6494937 |
Hydrogen purification devices, components and fuel processing systems containing the same |
December 17, 2002 |
| A hydrogen purification device, components thereof, and fuel processors and fuel cell system containing the same. The hydrogen purification devices include an enclosure that contains a separation assembly adapted to receive a mixed gas stream containing hydrogen gas and to produce a stre |
| 6465118 |
System and method for recovering thermal energy from a fuel processing system |
October 15, 2002 |
| A system and method for recovering thermal energy from a fuel processing system comprising a fuel processor and a fuel cell stack. The system includes a heat recovery system including a heat exchange fluid that recovers thermal energy from such sources as the combustion exhaust from |
| 6458189 |
Hydrogen-selective metal membrane modules and method of forming the same |
October 1, 2002 |
| Membrane modules that contain one or more hydrogen-selective membranes, methods for preparing the same, and hydrogen purification systems, fuel processors and devices containing the same. In some embodiments, the membrane modules include one or more hydrogen-selective membranes suppo |
| 6451464 |
System and method for early detection of contaminants in a fuel processing system |
September 17, 2002 |
| A system and method for preventing damage to a fuel cell stack resulting from impurities in the product stream from a fuel processor, such as may occur should the separation region of the fuel processor fail. The system and method include detecting the concentration of at least one compo |
| 6419728 |
Hydrogen-permeable metal membrane and method for producing the same |
July 16, 2002 |
| A hydrogen-permeable metal membrane with increased hydrogen flux compared to conventional metal membranes is disclosed. Without sacrificing selectivity, the membrane enables a greater throughput of purified hydrogen. A method for preparing the invention includes at least one etching |
