Dumke; Ulrich

Patent Applications and Registrations

Patent applications and USPTO patent grants for Dumke; Ulrich.The latest application filed is for "fuel cell system including diagnostic technique for unbalanced compressor".

Company Profile

0.5.5

Dumke; Ulrich - Ruesselsheim DE
Dumke; Ulrich - Russelsheim N/A DE
Dumke; Ulrich - Eppstein DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Fuel cell system including diagnostic technique for unbalanced compressor Grant 9,331,350 - Maier , et al. May 3, 2	2016-05-03
Fuel Cell System Including Diagnostic Technique For Unbalanced Compressor App 20140242491 - Maier; Oliver ; et al.	2014-08-28
Diagnostic system for unbalanced motor shafts for high speed compressor Grant 8,771,891 - Maier , et al. July 8, 2	2014-07-08
Humidity sensing device for use in fuel cell systems Grant 8,105,720 - Koenig , et al. January 31, 2	2012-01-31
Humidity Sensing Device For Use In Fuel Cell Systems App 20090136788 - Koenig; Christian ; et al.	2009-05-28
Control Valve With Enhanced Inner Surface App 20090004530 - Koenig; Christian ; et al.	2009-01-01
Diagnostic System For Unbalanced Motor Shafts For High Speed Compressor App 20080044702 - Maier; Oliver ; et al.	2008-02-21
Hydrogen purged motor for anode re-circulation blower Grant 6,830,842 - Siepierski , et al. December 14, 2	2004-12-14
Hydrogen purged motor for anode re-circulation blower App 20030077499 - Siepierski, James S. ; et al.	2003-04-24

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