Inventor
RONNE JOEL A
CA10 patents
Patents
10 patentsUS6171374B1Jan 9, 2001
Plate and frame fluid exchanging assembly with unitary plates and seals
BALLARD POWER SYSTEMS171 citations98
US6057054AMay 2, 2000
Membrane electrode assembly for an electrochemical fuel cell and a method of making an improved membrane electrode assembly
BALLARD POWER SYSTEMS293 citations98
US6190793B1Feb 20, 2001
Electrochemical fuel cell stack with an improved compression assembly
BALLARD POWER SYSTEMS92 citations97
US6106964AAug 22, 2000
Solid polymer fuel cell system and method for humidifying and adjusting the temperature of a reactant stream
BALLARD POWER SYSTEMS219 citations97
US6066409AMay 23, 2000
Electrochemical fuel cell stack with improved reactant manifolding and sealing
BALLARD POWER SYSTEMS166 citations97
US6423439B1Jul 23, 2002
Membrane electrode assembly for an electrochemical fuel cell
BALLARD POWER SYSTEMS62 citations96
US6416895B1Jul 9, 2002
Solid polymer fuel cell system and method for humidifying and adjusting the temperature of a reactant stream
BALLARD POWER SYSTEMS61 citations94
US6783878B2Aug 31, 2004
Solid polymer fuel cell system and method for humidifying and adjusting the temperature of a reactant stream
BALLARD POWER SYSTEMS32 citations91
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