DP

Daniel M. Pierpont

3M: 21 patents #624 of 11,543Top 6%
Overall (All Time): #205,042 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12157941 Ultraviolet radiation and atomic oxygen barrier films and methods of making and using the same Sean M. Sweetnam, Stephen P. Maki, Timothy J. Hebrink, Mark D. Weigel, David J. Rowe +3 more 2024-12-03
10446868 Fuel cell subassemblies incorporating subgasketed thrifted membranes Eric J. Iverson, Michael A. Yandrasits, Steven J. Hamrock, Stephan J. Obradovich, Donald G. Peterson 2019-10-15
10361441 Membrane electrode assembly and methods of making the same Joseph Frisk, Eric J. Hanson 2019-07-23
9893373 Reinforced electrolyte membrane Michael A. Yandrasits, Ji-Hwa Lee, Youngdon Yi, Steven J. Hamrock, Mark A. Schonewill 2018-02-13
9829453 Apparatus for assessing the quality of membrane electrode assemblies Orlin B. Knudson, James F. Poch 2017-11-28
9728801 Durable fuel cell membrane electrode assembly with combined additives Steven J. Hamrock, Matthew H. Frey 2017-08-08
9666883 Method for accessing the quality of membrane electrodes assemblies Orlin B. Knudson, James F. Poch 2017-05-30
9431670 High durability fuel cell components with cerium salt additives Matthew H. Frey, Steven J. Hamrock 2016-08-30
9276284 Fuel cell subassemblies incorporating subgasketed thrifted membranes Eric J. Iverson, Michael A. Yandrasits, Steven J. Hamrock, Stephan J. Obradovich, Donald G. Peterson 2016-03-01
9023496 Durable fuel cell membrane electrode assembly with combined additives Steven J. Hamrock, Matthew H. Frey 2015-05-05
8921002 Manufacturing of fuel cell membrane electrode assemblies incorporating photocurable cationic crosslinkable resin gasket Michael A. Yandrasits, Michael T. Hicks 2014-12-30
8637205 Fuel cell subassemblies incorporating subgasketed thrifted membranes Eric J. Iverson, Michael A. Yandrasits, Steven J. Hamrock, Stephan J. Obradovich, Donald G. Peterson 2014-01-28
8628871 High durability fuel cell components with cerium salt additives Matthew H. Frey, Steven J. Hamrock 2014-01-14
8609296 Processing methods and systems for assembling fuel cell perimeter gaskets Eric J. Hanson, Michael T. Hicks, Eric J. Iverson, David Jonathan Miller, Scott Alan Ripley 2013-12-17
8426078 Manufacturing of fuel cell membrane electrode assemblies incorporating photocurable cationic crosslinkable resin gasket Michael A. Yandrasits, Michael T. Hicks 2013-04-23
8367267 High durability fuel cell components with cerium oxide additives Matthew H. Frey, Steven J. Hamrock 2013-02-05
8288059 Processing methods and systems for assembling fuel cell perimeter gaskets Eric J. Hanson, Michael T. Hicks, Eric J. Iverson, David Jonathan Miller, Scott Alan Ripley 2012-10-16
8153316 Unitized fuel cell assembly and cooling apparatus Kim B. Saulsbury, Shane Mao, Jimmy M. Le 2012-04-10
8137828 Durable fuel cell membrane electrode assembly with combined additives Steven J. Hamrock, Matthew H. Frey 2012-03-20
7285349 Polymer electrolyte membrane and method of making Steven J. Hamrock, Linda M. Rivard, Michael A. Yandrasits 2007-10-23
6989214 Unitized fuel cell assembly Shane Mao, Jimmy M. Le, Kim B. Saulsbury, John R. Mlinar, Claude D. Moreau 2006-01-24