Inventor

WALZ HANS-FRIEDER

DE4 patents

⚠️ This page may combine multiple inventors who share the name “WALZ HANS-FRIEDER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DAIMLER CHRYSLER AG

1 patent

US6083637AJul 4, 2000

Fuel cell energy generating system

DAIMLER CHRYSLER AG225 citations95

BALLARD POWER SYSTEMS

1 patent

US6942938B2Sep 13, 2005

System and method for cooling a fuel cell arrangement

BALLARD POWER SYSTEMS10 citations65

NUCELLSYS GMBH

1 patent

US7135049B2Nov 14, 2006

Method for operating a gas generation device in a fuel cell system

NUCELLSYS GMBH0 citations50

SCHEMPP VOLKER

1 patent

US8192876B2Jun 5, 2012

Method for operating a fuel cell system in a mode of reduced power output

SCHEMPP VOLKER0 citations37