Assignee
RELION INC
US20 patents
Top patents by PatentIndex Score
US6743536B2Jun 1, 2004
Fuel cell power system and method of controlling a fuel cell power system
RELION INC39 citations96
US7326480B2Feb 5, 2008
Fuel cell power system and method of controlling a fuel cell power system
RELION INC32 citations92
US6811906B2Nov 2, 2004
Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell
RELION INC19 citations92
US6805987B2Oct 19, 2004
Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell
RELION INC15 citations92
US6773839B2Aug 10, 2004
Fuel cell power systems and methods of controlling a fuel cell power system
RELION INC37 citations91
US7056608B2Jun 6, 2006
Current collector for use in a fuel cell
RELION INC22 citations90
US6858335B2Feb 22, 2005
Fuel cell power systems and methods of operating fuel cell power systems
RELION INC45 citations90
US6939636B2Sep 6, 2005
Air cooled fuel cell module
RELION INC20 citations88
US6806678B2Oct 19, 2004
Battery charger
RELION INC15 citations83
US8026020B2Sep 27, 2011
Proton exchange membrane fuel cell stack and fuel cell stack module
RELION INC11 citations81
US7833645B2Nov 16, 2010
Proton exchange membrane fuel cell and method of forming a fuel cell
RELION INC10 citations81
US7056613B2Jun 6, 2006
Fuel cell having metalized gas diffusion layer
RELION INC10 citations73
US7049017B2May 23, 2006
Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell
RELION INC5 citations73
US6982129B1Jan 3, 2006
Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell
RELION INC7 citations73
US6745799B1Jun 8, 2004
Method for delivering a gas
RELION INC12 citations73
US6828050B2Dec 7, 2004
Fuel cell
RELION INC5 citations69
USRE39556EApr 10, 2007
Fuel cell and method for controlling same
RELION INC5 citations62
US8003274B2Aug 23, 2011
Direct liquid fuel cell
RELION INC3 citations61
US7722972B2May 25, 2010
Apparatus and method for controlling a fuel cell using the rate of voltage recovery
RELION INC2 citations57
US9012101B2Apr 21, 2015
Fuel cell stacks
RELION INC0 citations50