78576983
Feb 28, 2005
polymer electrolyte membrane used in electrochemical fuel cell and fuel cell stack; polymer electrolyte membrane electrode assembly used in electrochemical fuel cell and fuel cell stack; gas diffusion material in the nature of a porous carbon or similar substrate used in electrochemical fuel cell and fuel cell stack; electrode used in fuel cell and fuel cell stack; catalyst used in fuel cell and fuel cell stack to promote the dissociation of protons and electrons from hydrogen, and the subsequent combination of these protons and electrons with oxygen to generate water, electricity and heat; fuel cell; fuel cell stack; fuel cell system, namely a fuel cell or fuel cell stack and related components including fuel storage, fuel processor, electrical inverter, and heat exchanger all sold as a unit
Electrical and Scientific Apparatus