Roth; Joerg

Patent Applications and Registrations

Patent applications and USPTO patent grants for Roth; Joerg.The latest application filed is for "variable field device for process automation technology".

Company Profile

0.13.16

Roth; Joerg - Lorrach DE
Roth; Joerg - Trebur DE
Roth; Joerg - Trubur 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
Variable field device for process automation Grant 8,275,472 - Roth , et al. September 25, 2	2012-09-25
Water transport features for diffusion media Grant 8,211,589 - Roth July 3, 2	2012-07-03
Reduction of voltage loss by voltage cycle through the use of specially formed bipolar plates Grant 7,955,752 - Krause , et al. June 7, 2	2011-06-07
Untreated diffusion media with mesoporous layer and devices incorporating the same Grant 7,670,704 - O'Hara , et al. March 2, 2	2010-03-02
Gas diffusion electrode and method of making the same Grant 7,629,071 - Liu , et al. December 8, 2	2009-12-08
Spatially varying diffusion media and devices incorporating the same Grant 7,332,240 - O'Hara , et al. February 19, 2	2008-02-19
Diffusion media, fuel cells, and fuel cell powered systems Grant 7,303,835 - Mathias , et al. December 4, 2	2007-12-04
Method of making a gas diffusion media and quality controls for same Grant 7,284,411 - Roth October 23, 2	2007-10-23
Preparation of patterned diffusion media Grant 7,241,474 - Ji , et al. July 10, 2	2007-07-10
Variable field device for process automation technology App 20070096244 - Roth; Joerg	2007-05-03
Water transport features for diffusion media App 20070077484 - Roth; Joerg	2007-04-05
Quality control methods for gas diffusion media Grant 7,181,986 - Roth February 27, 2	2007-02-27
Reduction of voltage loss by voltage cycle through the use of specially formed bipolar plates App 20060275644 - Krause; Bernd ; et al.	2006-12-07
Quality control methods for gas diffusion media Grant 7,107,864 - Roth September 19, 2	2006-09-19
Method for data transmission by means of a field bus of an automation device App 20060146689 - Roth; Joerg	2006-07-06
Gas diffusion electrode and method of making the same App 20060078784 - Liu; Han ; et al.	2006-04-13
Quality control methods for gas diffusion media App 20060037416 - Roth; Joerg	2006-02-23
Untreated deffusion media with mesoporous layer and devices incorporating the same App 20060035017 - O'Hara; Jeanette E. ; et al.	2006-02-16
Untreated diffusion media with mesoporous layer and devices incorporating the same Grant 6,967,039 - O'Hara , et al. November 22, 2	2005-11-22
Variable field device for process automation App 20050231348 - Roth, Joerg ; et al.	2005-10-20
Preparation of patterned diffusion media App 20050233080 - Ji, Chunxin ; et al.	2005-10-20
Method of making a gas diffusion media and quality controls for same App 20050199079 - Roth, Joerg	2005-09-15
Method of making a gas diffusion media and quality controls for same Grant 6,928,893 - Roth August 16, 2	2005-08-16
Low cost gas diffusion media for use in PEM fuel cells App 20050058869 - Mathias, Mark F. ; et al.	2005-03-17
Spatially varying diffusion media and devices incorporating the same App 20050026018 - O'Hara, Jeanette E. ; et al.	2005-02-03
Untreated diffusion media with mesoporous layer and devices incorporating the same App 20050026523 - O'Hara, Jeanette E. ; et al.	2005-02-03
Method of making a gas diffusion media and quality controls for same App 20040134292 - Roth, Joerg	2004-07-15
Diffusion media, fuel cells, and fuel cell powered systems App 20040137311 - Mathias, Mark F. ; et al.	2004-07-15
Quality control methods for gas diffusion media App 20040134291 - Roth, Joerg	2004-07-15

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