1
David J Edlund: Steam reformer with internal hydrogen purification. Kolisch Hartwell Dickinson McCormack & Heuser, January 19, 1999: US05861137 (414 worldwide citation)

A steam reformer with internal hydrogen purification includes internal bulk hydrogen purification, internal hydrogen polishing to remove trace levels of carbon monoxide and carbon dioxide, an integrated combustion method utilizing waste gas to heat the reformer, efficient integration of heat transfe ...


2
David J Edlund, William A Pledger: Hydrogen producing fuel processing system. IdaTech, Kolisch Hartwell Dickinson McCormack & Heuser, April 24, 2001: US06221117 (181 worldwide citation)

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 hydrogen is produced by reacting the feedstock in the present of a reforming catalyst. The prod ...


3
David J Edlund, William A Pledger: Steam reformer with internal hydrogen purification. Northwest Power Systems, Kolisch Hartwell Dickinson McCormack & Heuser, December 7, 1999: US05997594 (180 worldwide citation)

A steam reformer with internal hydrogen purification includes internal bulk hydrogen purification, internal hydrogen polishing to remove trace levels of carbon monoxide and carbon dioxide, an integrated combustion method utilizing waste gas to heat the reformer, efficient integration of heat transfe ...


4
David J Edlund: Composite hydrogen separation element and module. Bend Research, Chernoff Vilhauer McClung & Stenzel, March 12, 1996: US05498278 (131 worldwide citation)

There are disclosed improvements in multicomponent composite metal membranes useful for the separation of hydrogen, the improvements comprising the provision of a flexible porous intermediate layer between a support layer and a nonporous hydrogen-permeable coating metal layer, and the provision of a ...


5
David J Edlund, Thomas G Herron, William A Pledger: System and method for controlling the operation of a fuel processing system. IdaTech, Kolisch Hartwell Dickinson McCormack & Heuser P C, May 7, 2002: US06383670 (127 worldwide citation)

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 and/or user inp ...


6
David J Edlund, David D Newbold, Chester B Frost: Composite hydrogen separation element and module. Bend Research, Chernoff Vilhauer McClung & Stenzel, July 8, 1997: US05645626 (114 worldwide citation)

There are disclosed improvements in multicomponent composite metal membranes useful for the separation of hydrogen, the improvements comprising the provision of at least one common-axis hole through all components of the composite membrane and the provision of a gas-tight seal around the periphery o ...


7
David J Edlund, William A Pledger, Todd Studebaker: Hydrogen-selective metal membrane modules and method of forming the same. IdaTech, Kolisch Hartwell Dickinson McCormack & Heuser PC, November 20, 2001: US06319306 (86 worldwide citation)

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 supported on a screen ...


8
David J Edlund: Composite hydrogen separation metal membrane. Bend Research, Chernoff Vilhauer McClung & Stenzel, February 28, 1995: US05393325 (81 worldwide citation)

Composite hydrogen separation metal membranes are disclosed that contain an intermediate layer separating a base metal and a coating metal, wherein the intermediate layer is not a pure metal or metal alloy and is thermodynamically stable at operating temperatures.


9
David J Edlund, Thomas G Herron, Craig F Holmes: Fuel cell system controller. IdaTech, Kolisch Hartwell P C, December 17, 2002: US06495277 (81 worldwide citation)

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 adapted to produ ...


10
David J Edlund, William A Pledger: Integrated fuel cell system. IdaTech, Kolisch Hartwell Dickinson McCormack & Heuser PC, April 23, 2002: US06376113 (77 worldwide citation)

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 from a carbon-c ...