SH

Steven J. Hamrock

3M: 67 patents #79 of 11,543Top 1%
HY Hydro-Quebec: 1 patents #211 of 463Top 50%
Overall (All Time): #31,099 of 4,157,543Top 1%
68
Patents All Time

Issued Patents All Time

Showing 25 most recent of 68 patents

Patent #TitleCo-InventorsDate
11492431 Fluorinated copolymer having sulfonyl pendant groups and compositions and articles including the same Lisa P. Chen, Gregg D. Dahlke, Denis Duchesne, Klaus Hintzer, Markus E. Hirschberg +2 more 2022-11-08
11377510 Fluorinated copolymer and compositions and articles including the same Lisa P. Chen, Gregg D. Dahlke, Denis Duchesne, Klaus Hintzer, Markus E. Hirschberg +2 more 2022-07-05
11118274 Ionic polymer membrane for a carbon dioxide electrolyzer Tyler S. Matthews, Marina M. Kaplun, Krzysztof A. Lewinski, Sean M. Luopa 2021-09-14
10570524 Ionic polymer membrane for a carbon dioxide electrolyzer Tyler S. Matthews, Marina M. Kaplun, Krzysztof A. Lewinski, Sean M. Luopa 2020-02-25
10446868 Fuel cell subassemblies incorporating subgasketed thrifted membranes Eric J. Iverson, Daniel M. Pierpont, Michael A. Yandrasits, Stephan J. Obradovich, Donald G. Peterson 2019-10-15
9893373 Reinforced electrolyte membrane Michael A. Yandrasits, Ji-Hwa Lee, Youngdon Yi, Daniel M. Pierpont, Mark A. Schonewill 2018-02-13
9728801 Durable fuel cell membrane electrode assembly with combined additives Daniel M. Pierpont, Matthew H. Frey 2017-08-08
9711816 Low equivalent weight polymers Kai H. Lochhaas, Klaus Hintzer 2017-07-18
9640824 Fuel cell electrodes with conduction networks Andrew T. Haug, Gregory M. Haugen, Mark A. Schonewill 2017-05-02
9431670 High durability fuel cell components with cerium salt additives Matthew H. Frey, Daniel M. Pierpont 2016-08-30
9419300 Proton conducting materials Mark S. Schaberg 2016-08-16
9276284 Fuel cell subassemblies incorporating subgasketed thrifted membranes Eric J. Iverson, Daniel M. Pierpont, Michael A. Yandrasits, Stephan J. Obradovich, Donald G. Peterson 2016-03-01
9160021 Proton conducting materials Mark S. Schaberg, Neeraj Sharma, John E. Abulu 2015-10-13
9034538 Casting solution and method for making a polymer electrolyte membrane Matthew H. Frey, Gregory M. Haugen, Phat T. Pham 2015-05-19
9023496 Durable fuel cell membrane electrode assembly with combined additives Daniel M. Pierpont, Matthew H. Frey 2015-05-05
8962214 Microporous PVDF films Samantha D. Smith, Gene H. Shipman, Robert M. Floyd, Harold Todd Freemyer, Michael A. Yandrasits +1 more 2015-02-24
8802793 Polymer electrolyte with aromatic sulfone crosslinking Naiyong Jing, Michael A. Yandrasits 2014-08-12
8765327 Fuel cell electrodes with conduction networks Andrew T. Haug, Gregory M. Haugen, Mark A. Schonewill 2014-07-01
8663868 Microporous PVDF films Samantha D. Smith, Gene H. Shipman, Robert M. Floyd, Harold Todd Freemyer, Michael A. Yandrasits +1 more 2014-03-04
8637205 Fuel cell subassemblies incorporating subgasketed thrifted membranes Eric J. Iverson, Daniel M. Pierpont, Michael A. Yandrasits, Stephan J. Obradovich, Donald G. Peterson 2014-01-28
8628871 High durability fuel cell components with cerium salt additives Matthew H. Frey, Daniel M. Pierpont 2014-01-14
8481227 Proton conducting materials Mark S. Schaberg, Neeraj Sharma, John E. Abulu 2013-07-09
8367267 High durability fuel cell components with cerium oxide additives Matthew H. Frey, Daniel M. Pierpont 2013-02-05
8323809 Fuel cell electrolyte membrane with basic polymer James M. Larson, Phat T. Pham, Matthew H. Frey, Gregory M. Haugen, William M. Lamanna 2012-12-04
8227140 Proton conducting materials Mark S. Schaberg, Neeraj Sharma, John E. Abulu 2012-07-24