Inventor

URBAN HUBERT

DE4 patents

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

NUCELLSYS GMBH

2 patents

US7709977B2May 4, 2010

Method and arrangement for controlling a switching connection between the electrical outputs of a fuel cell and an isolated electrical network

NUCELLSYS GMBH9 citations82

US7477049B2Jan 13, 2009

Method for controlling the quality of the coolant for fuel cell systems

NUCELLSYS GMBH2 citations59

BALLARD POWER SYSTEMS

2 patents

US6879164B2Apr 12, 2005

Method and device for insulation monitoring of a DC network

BALLARD POWER SYSTEMS9 citations66

US6830843B2Dec 14, 2004

Method for controlling the quality of the coolant for fuel cell systems

BALLARD POWER SYSTEMS1 citations49