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Long-life membrane electrode assemblies and its use in fuel cells Grant 9,559,367 - Pawlik , et al. January 31, 2 | 2017-01-31 |
Method For Conditioning Membrane-electrode-units For Fuel Cells App 20150125779 - UENSAL; OEMER ;   et al. | 2015-05-07 |
Method for conditioning membrane-electrode-units for fuel cells Grant 8,945,736 - Uensal , et al. February 3, 2 | 2015-02-03 |
Proton-conducting membrane and use thereof Grant 8,859,150 - Uensal , et al. October 14, 2 | 2014-10-14 |
Proton-conducting membrane and use thereof Grant 8,822,091 - Uensal , et al. September 2, 2 | 2014-09-02 |
Proton-conducting membrane and use thereof Grant 8,765,905 - Uensal , et al. July 1, 2 | 2014-07-01 |
Proton-conducting membrane and its use Grant 8,716,356 - Calundann , et al. May 6, 2 | 2014-05-06 |
Gas diffusion electrodes, membrane-electrode assemblies and method for the production thereof Grant 8,460,841 - Gulla , et al. June 11, 2 | 2013-06-11 |
Method For Conditioning Membrane-electrode-units For Fuel Cells App 20130095409 - Uensal; Oemer ;   et al. | 2013-04-18 |
Proton-conducting Membrane And Its Use App 20130012607 - Calundann; Gordon ;   et al. | 2013-01-10 |
Proton-conducting membrane and the use of the same Grant 8,293,806 - Calundann , et al. October 23, 2 | 2012-10-23 |
Proton-conducting membrane and its use Grant 8,277,983 - Calundann , et al. October 2, 2 | 2012-10-02 |
Process for producing a proton-conducting, polyazole-containing membrane Grant 8,273,277 - Uensal , et al. September 25, 2 | 2012-09-25 |
Long-life membrane electrode assemblies with gasket and frame Grant 8,206,870 - Hoppes , et al. June 26, 2 | 2012-06-26 |
Method for the production of membrane/electrode units Grant 8,177,863 - Padberg , et al. May 15, 2 | 2012-05-15 |
Polymer membrane, method for the production and use thereof Grant 8,168,105 - Uensal , et al. May 1, 2 | 2012-05-01 |
Proton-conducting polymer membrane comprising polyazole blends and its use in fuel cells Grant 8,142,917 - Uensal , et al. March 27, 2 | 2012-03-27 |
Proton-conducting membrane and the use thereof Grant 8,076,379 - Calundann , et al. December 13, 2 | 2011-12-13 |
Method for the production of membrane/electrode units Grant 8,066,784 - Padberg , et al. November 29, 2 | 2011-11-29 |
Proton-conducting Membrane And The Use Of The Same App 20110288187 - Calundann; Gordon ;   et al. | 2011-11-24 |
Membrane-electrode unit and fuel elements with increased service life Grant 8,012,647 - Pawlik , et al. September 6, 2 | 2011-09-06 |
Structures For Gas Diffusion Electrodes App 20110183232 - Tsou; Yu-Min ;   et al. | 2011-07-28 |
Metal alloy for electrochemical oxidation reactions and method of production thereof Grant 7,923,402 - Cao , et al. April 12, 2 | 2011-04-12 |
Structures for gas diffusion materials and methods for their fabrication Grant 7,923,172 - De Castro , et al. April 12, 2 | 2011-04-12 |
Process for producing proton-conducting polymer membranes, improved polymer membranes and the use thereof in fuel cells Grant 7,883,818 - Kiefer , et al. February 8, 2 | 2011-02-08 |
Proton-conducting Membrane And Its Use App 20110014545 - Calundann; Gordon ;   et al. | 2011-01-20 |
Platinum catalysts from in situ formed platinum dioxide Grant 7,871,955 - Cao , et al. January 18, 2 | 2011-01-18 |
Proton conducting electrolyte membrane for use in high temperatures and the use thereof in fuel cells Grant 7,846,983 - Kiefer , et al. December 7, 2 | 2010-12-07 |
Asymmetric polymer film, method for the production and utilization thereof Grant 7,834,131 - Petersen , et al. November 16, 2 | 2010-11-16 |
Polymer film based on polyazoles, and uses thereof Grant 7,795,372 - Kiefer , et al. September 14, 2 | 2010-09-14 |
Proton-conducting Polymer Membrane Comprising Polymers Containing Phosphonic Acid Groups And Its Use In Fuel Cells App 20100227252 - Kiefer; Joachim ;   et al. | 2010-09-09 |
Gas diffusion electrodes, membrane-electrode assemblies and method for the production thereof Grant 7,785,454 - Gulla , et al. August 31, 2 | 2010-08-31 |
Proton-conducting Polymer Membrane Comprising Polyazole Blends And Its Use In Fuel Cells App 20100216051 - Uensal; Oemer ;   et al. | 2010-08-26 |
Proton-conducting Membrane And The Use Of The Same App 20100167163 - Calundann; Gordon ;   et al. | 2010-07-01 |
Proton-conducting polymer membrane comprising sulfonic acid-containing polyazoles, and use thereof in fuel cells Grant 7,745,030 - Uensal , et al. June 29, 2 | 2010-06-29 |
Proton conducting polymer membrane comprising phosphonic acid groups containing polyazoles and the use thereof in fuel cells Grant 7,736,778 - Uensal , et al. June 15, 2 | 2010-06-15 |
Proton-conducting polymer membrane comprising polymers containing phosphonic acid groups and its use in fuel cells Grant 7,727,651 - Kiefer , et al. June 1, 2 | 2010-06-01 |
Gas Diffusion Electrodes, Membrane-Electrode Assemblies and Method for the Production Thereof App 20100047667 - Gulla; Andrea ;   et al. | 2010-02-25 |
Multilayer electrolyte membrane App 20100047669 - Uensal; Oemer ;   et al. | 2010-02-25 |
Proton-conducting polymer membrane that contains polyazoles and is coated with a catalyst layer, and application therof in fuel cells Grant 7,661,542 - Baurmeister , et al. February 16, 2 | 2010-02-16 |
Multilayer electrolyte membrane Grant 7,625,652 - Uensal , et al. December 1, 2 | 2009-12-01 |
Membrane Electrode Assembly And Fuel Cells Of Increased Power App 20090258274 - Uensal; Oemer ;   et al. | 2009-10-15 |
Method and apparatus for transferring thin films from a source position to a target position Grant 7,601,388 - Puffer , et al. October 13, 2 | 2009-10-13 |
Gas diffusion electrodes, membrane-electrode assemblies and method for the production thereof Grant 7,601,216 - Gulla , et al. October 13, 2 | 2009-10-13 |
Proton-conducting membrane and use thereof Grant 7,582,210 - Calundann , et al. September 1, 2 | 2009-09-01 |
Membrane For Fuel Cells, Containing Polymers Comprising Phosphonic Acid Groups And/or Sulfonic Acid Groups, Membrane Units And The Use Thereof In Fuel Cells App 20090169955 - Uensal; Oemer ;   et al. | 2009-07-02 |
Proton-conducting membrane and the use thereof Grant 7,540,984 - Calundann , et al. June 2, 2 | 2009-06-02 |
Polyazole-based polymer films Grant 7,485,227 - Kiefer , et al. February 3, 2 | 2009-02-03 |
Method for producing a membrane from a crosslinked polymer blend, and corresponding fuel cell Grant 7,462,223 - Kiefer , et al. December 9, 2 | 2008-12-09 |
Functionalized polyazoles, method for the production thereof, and use thereof Grant 7,445,864 - Muellen , et al. November 4, 2 | 2008-11-04 |
Membrane-Electrode Units and Fuel Cells Having a Long Service Life App 20080268321 - Uensal; Oemer ;   et al. | 2008-10-30 |
Gas diffusion electrodes, membrane-electrode assemblies and method for the production thereof Grant 7,419,546 - Gulla , et al. September 2, 2 | 2008-09-02 |
Fuel Cells With Reduced Weight and Volume App 20080187807 - Schmidt; Thomas ;   et al. | 2008-08-07 |
Method for production of polyelectrolyte membranes and fuel cell Grant 7,396,615 - Yamamoto July 8, 2 | 2008-07-08 |
Proton-conducting membrane and the use thereof Grant 7,384,552 - Calundann , et al. June 10, 2 | 2008-06-10 |
Membranes having improved mechanical properties, for use in fuel cells Grant 7,285,325 - Soczka-Guth , et al. October 23, 2 | 2007-10-23 |