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Robert G Hockaday: Micro-fuel cell power devices. Manhattan Scientifics, James Creighton Wray, Meera P Narasimhan, December 4, 2001: US06326097 (134 worldwide citation)

Coupling miniature liquid fueled fuel cells with portable electrical devices, with or without rechargeable batteries, lead to new appliance configurations: charging holster, piggyback charger, fuel cell integral with rechargeable battery, fuel cell with voltage regulating electronics, supplying fuel ...


2
Robert G Hockaday, Patrick S Turner, Marc D DeJohn, Carlos J Navas, Heathcliff L Vaz, L Luke Vazul: Portable chemical hydrogen hydride system. Manhattan Scientifics, James Creighton Wray, Meera P Narasimhan, April 8, 2003: US06544400 (93 worldwide citation)

A hydrogen source system delivers a controlled fuel stream to applications, using wicking to control the contact between a mixture of NaBH


3
Volker Rosenmayer: Polymer-electrolyte membrane fuel cell. Manhattan Scientifics, James Creighton Wray, Meera P Narasimhan, August 12, 2003: US06605381 (17 worldwide citation)

Not all gas diffusion structures known to date can guarantee water balance compensation in the fuel cell, protection against drying and prevention of water deposits while simultaneously ensuring even distribution of reaction gases. In the gas diffusion structure, according to the invention, a gradie ...


4
Petra Koschany: Gas-proof assembly composed of a bipolar plate and a membrane-electrode unit of polymer electrolyte membrane fuel cells. Manhattan Scientifics, James Creighton Wray, Meera P Narasimhan, August 31, 2004: US06783883 (14 worldwide citation)

According to known methods, gas chambers of fuel cells are sealed by applying pressure. A small space always remains between the electrode and the membrane. According to the inventive sealing method, the bipolar plate and the membrane-electrode unit are bonded with a curable polymer. A gas-proof ass ...


5
Robert G Hockaday, Patrick S Turner, Marc D DeJohn, Carlos J Navas, Heathcliff L Vaz, L Luke Vazul: Diffusion fuel ampoules for fuel cells. Manhattan Scientifics, James C Wray, Meera P Narasimhan, October 7, 2003: US06630266 (12 worldwide citation)

A fuel ampoule for fuel cells delivers fuel by diffusion through the ampoule walls. The fuel ampoule is stored in a fuel impermeable container. These ampoules used with small low power fuel cells need a steady controlled uniform delivery of vaporous fuel such as alcohols. This fueling system avoids ...


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Petra Koschany: Method of operating a fuel cell system, and fuel cell system operable accordingly. Manhattan Scientifics, James Creighton Wray, Meera P Narasimhan, May 10, 2005: US06890675 (3 worldwide citation)

For simplifying cooling of a fuel cell system which may be a single cell (1), a stack (15) or a similar configuration and which comprises at least one active membrane (2) sandwiched between an anode layer (4) and a cathode layer (3) and comprising a catalyst, a fuel supply having access to the anode ...


8
Koschany Arthur Dr: Method for production of a bipolar plate for fuel cells. Manhattan Scientifics, April 10, 2002: EP1195829-A2 (2 worldwide citation)

A channel structure sheet (6) is made with surrounding projections (2). In plan view, auxiliary bridging sections (8, 9) connect the channel structures. The sheet is laid onto a gas-impermeable layer, to bond them together. Before or after bonding, the auxiliary bridging sections are removed.


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Koschany Petra: Electrodes with adjustable gas permeability, and method of producing such electrodes. Manhattan Scientifics, August 6, 2003: EP1333513-A1 (2 worldwide citation)

The electrode consists of at least two materials of different gas permeability, whereby one material (1) has openings (3), penetrates into the other material (2) in the vicinity of these openings and forms notches in the latter in this manner and a mechanical connection between the materials. The fi ...


10
Petra Koschany: Electrodes with adjustable gas permeability, and method of producing such electrodes. Manhattan Scientifics, James Creighton Wray, Clifford D Hyra, January 15, 2008: US07318976 (1 worldwide citation)

An electrode with adjustable gas permeability for electrochemical cells is formed by first and second laminated thin layers. The first serves for determining the overall gas permeability through the thickness of the electrode and conducting electricity. The second is for conducting electricity, supp ...