Inventor

DUMKE ULRICH

DE4 patents

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

GEN MOTORS CORP

1 patent

US6830842B2Dec 14, 2004

Hydrogen purged motor for anode re-circulation blower

GEN MOTORS CORP18 citations81

KOENIG CHRISTIAN

1 patent

US8105720B2Jan 31, 2012

Humidity sensing device for use in fuel cell systems

KOENIG CHRISTIAN11 citations77

MAIER OLIVER

1 patent

US8771891B2Jul 8, 2014

Diagnostic system for unbalanced motor shafts for high speed compressor

MAIER OLIVER2 citations60

GM GLOBAL TECH OPERATIONS INC

1 patent

US9331350B2May 3, 2016

Fuel cell system including diagnostic technique for unbalanced compressor

GM GLOBAL TECH OPERATIONS INC0 citations49