Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Process or means for control of operation
Reexamination Certificate
2011-05-03
2011-05-03
Ridley, Basia (Department: 1725)
Chemistry: electrical current producing apparatus, product, and
Fuel cell, subcombination thereof, or method of making or...
Process or means for control of operation
C429S428000, C429S430000, C429S432000, C429S452000, C429S453000
Reexamination Certificate
active
07935449
ABSTRACT:
At least one positive temperature coefficient element is used to efficiently control fuel cell voltage at startup and shutdown making the fuel cell more efficient and protecting the electro catalyst layer.
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Machine translation of JP 2005327587 A, Ogino et al., Nov. 2005.
Andreas-Schott Benno
Foley Robert S.
Lakshmanan Balsu
Murphy Michael W.
Rock Jeffrey A.
Cullen Sean P
Fraser Clemens Martin & Miller LLC
GM Global Technology Operations LLC
Miller J. Douglas
Ridley Basia
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