Wittpahl; Sandra

Patent Applications and Registrations

Patent applications and USPTO patent grants for Wittpahl; Sandra.The latest application filed is for "membrane eletrode unit for the electrolysis of water".

Company Profile

0.14.12

Wittpahl; Sandra - Obertshausen DE
Wittpahl; Sandra - Herzogenaurach N/A DE
Wittpahl; Sandra - Haszogenaurach N/A DE
Wittpahl; Sandra - Hanau 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
Process for manufacturing a catalyst-coated ionomer membrane with protective film layer Grant 8,685,200 - Zuber , et al. April 1, 2	2014-04-01
Membrane-electrode unit for direct methanol fuel cells (DMFC) Grant 8,512,912 - Koehler , et al. August 20, 2	2013-08-20
Membrane electrode assembly for use in electrochemical devices Grant 8,394,551 - Zuber , et al. March 12, 2	2013-03-12
Membrane electrode unit for the electrolysis of water Grant 8,343,321 - Zuber , et al. January 1, 2	2013-01-01
Membrane Eletrode Unit For The Electrolysis Of Water App 20120012457 - ZUBER; Ralf ; et al.	2012-01-19
A Process for manufacturing a [[C]]catalyst-coated ionomer membrane with protective film layer App 20110308726 - ZUBER; Ralf ; et al.	2011-12-22
Catalyst-coated ionomer membrane with protective film layer and membrane-electrode-assembly made thereof Grant 8,021,796 - Zuber , et al. September 20, 2	2011-09-20
Membrane electrode unit for the electrolysis of water Grant 7,993,499 - Zuber , et al. August 9, 2	2011-08-09
Ink for producing membrane electrode assemblies for fuel cells Grant 7,754,369 - Starz , et al. July 13, 2	2010-07-13
Gas Diffusion Electrode And Process For Producing It And Its Use App 20090053583 - Binder; Matthias ; et al.	2009-02-26
Membrane Electrode Unit for the Electrolysis of Water App 20080067061 - Zuber; Ralf ; et al.	2008-03-20
Membrane-Electrode Unit For Direct Methanol Fuel Cells (Dmfc) App 20070298312 - Koehler; Joachim ; et al.	2007-12-27
Membrane Electrode Assembly for Use in Electochmical Devices App 20070215461 - Zuber; Ralf ; et al.	2007-09-20
Process for the manufacture of membrane-electrode-assemblies using catalyst-coated membranes Grant 7,147,959 - Kohler , et al. December 12, 2	2006-12-12
Method for the production of membrane electrode assemblies for fuel cells Grant 7,141,270 - Wittpahl , et al. November 28, 2	2006-11-28
Process for producing a membrane electrode assembly for fuel cells Grant 6,998,149 - Kohler , et al. February 14, 2	2006-02-14
Membrane electrode unit for electrochemical equipment App 20050014056 - Zuber, Ralf ; et al.	2005-01-20
Catalyst-coated ionomer membrane with protective film layer and membrane-electrode-assembly made thereof App 20040091767 - Zuber, Ralf ; et al.	2004-05-13
Process for the manufacture of membrane-electrode-assemblies using catalyst-coated membranes App 20030224233 - Kohler, Joachim ; et al.	2003-12-04
Flux for brazing difficult to wet metallic materials Grant 6,613,159 - Koch , et al. September 2, 2	2003-09-02
Method for the production of membrane electrode assemblies for fuel cells App 20030118890 - Wittpahl, Sandra ; et al.	2003-06-26
Process for producing a membrane electrode assembly for fuel cells App 20020064593 - Kohler, Joachim ; et al.	2002-05-30
Ink for producing membrane electrode assemblies for fuel cells App 20020034674 - Starz, Karl-Anton ; et al.	2002-03-21

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