Inventor
CHOW CLARENCE Y
CA9 patents
Patents
9 patentsUS6066409AMay 23, 2000
Electrochemical fuel cell stack with improved reactant manifolding and sealing
BALLARD POWER SYSTEMS166 citations97
US5230966AJul 27, 1993
Coolant flow field plate for electrochemical fuel cells
BALLARD POWER SYSTEMS113 citations97
US5547776AAug 20, 1996
Electrochemical fuel cell stack with concurrently flowing coolant and oxidant streams
BALLARD POWER SYSTEMS105 citations96
US5382478AJan 17, 1995
Electrochemical fuel cell stack with humidification section located upstream from the electrochemically active section
BALLARD POWER SYSTEMS126 citations95
US5804326ASep 8, 1998
Integrated reactant and coolant fluid flow field layer for an electrochemical fuel cell
BALLARD POWER SYSTEMS85 citations94
US5284718AFeb 8, 1994
Fuel cell membrane electrode and seal assembly
BALLARD POWER SYSTEMS131 citations94
US5486430AJan 23, 1996
Internal fluid manifold assembly for an electrochemical fuel cell stack array
BALLARD POWER SYSTEMS86 citations92
US6946212B2Sep 20, 2005
Electrochemical fuel cell stack with improved reactant manifolding and sealing
BALLARD POWER SYSTEMS5 citations72
US6764783B2Jul 20, 2004
Electrochemical fuel cell stack with improved reactant manifolding and sealing
BALLARD POWER SYSTEMS7 citations72