Chemistry: electrical current producing apparatus – product – and – With nonbattery electrical component electrically connected...
Reexamination Certificate
2007-06-26
2007-06-26
Maples, John S. (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
With nonbattery electrical component electrically connected...
C429S006000, C429S006000, C429S006000, C429S006000
Reexamination Certificate
active
10737540
ABSTRACT:
An electrochemical fuel cell stack comprises a plurality of fuel cell assemblies, wherein, each fuel cell assembly comprises a cell compressed between a pair of flow field plates, a perimeter seal circumscribing the cell and interposed between the pair of flow field plates, and a first diode, having an aspect ratio greater than 10:1, positioned adjacent to, and outside of, the perimeter seal along a first edge of the cell and interposed between the pair of flow field plates.
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patent: 2002/0009624 (2002-01-01), Aberle et al.
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De Vaal Jacob W
Knights Shanna D
Lauritzen Michael V
Wilkinson David P
Ballard Power Systems Inc.
Maples John S.
Seed IP Law Group PLLC
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