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PLUG POWER LLC

US5 patents

Top patents by PatentIndex Score

US6329090B1Dec 11, 2001

Enthalpy recovery fuel cell system

PLUG POWER LLC187 citations98
US6284399B1Sep 4, 2001

Fuel cell system having humidification membranes

PLUG POWER LLC105 citations96
US5945232AAug 31, 1999

PEM-type fuel cell assembly having multiple parallel fuel cell sub-stacks employing shared fluid plate assemblies and shared membrane electrode assemblies

PLUG POWER LLC134 citations93
US6358639B2Mar 19, 2002

Methods and kits for decontaminating fuel cells

PLUG POWER LLC15 citations76
US6562506B1May 13, 2003

Fuel-cell system with a pivotable stack installation assembly

PLUG POWER LLC7 citations72