Inventor · disambiguated record
David Summers
Also filed as: SUMMERS DAVID · SUMMERS DAVID A · SUMMERS DAVID ALEXANDER
3 granted patents·6 pending applications·54 citations·filing 2001–2017
67Inventor score
Top patents by PatentIndex Score
9 records- 0189US6689501B2Composite ion exchange membrane for use in a fuel cellBALLARD POWER SYSTEMS·Filed 2001·Granted Feb 10, 2004·46 cites·22 claims
- 0266US7153598B2Methods of operating fuel cells having closed reactant supply systemsBALLARD POWER SYSTEMS·Filed 2004·Granted Dec 26, 2006·8 cites·26 claims
- 0356US2015090586A1Surface modified stainless steel cathode for electrolyserCHEMETICS INC·Filed 2013·Application pending·0 cites
- 0456US2018105943A1Surface modified stainless steel cathode for electrolyserCHEMETICS INC·Filed 2017·Application pending·0 cites
- 0541US2007087233A1System and method of controlling fuel cell shutdownBLASZCZYK JANUSZ·Filed 2006·Application pending·0 cites
- 0638US2005089746A1Prevention of membrane contamination in electrochemical fuel cellsBALLARD POWER SYSTEMS·Filed 2003·Application pending·0 cites
- 0737US2015165381A1Nanofiltration process for impurity removalCHEMETICS INC·Filed 2013·Application pending·0 cites
- 0837US2018187316A1Narrow gap, undivided electrolysis cellCHEMETICS INC·Filed 2015·Application pending·0 cites
- 0934US9795899B2Membrane separation at high temperature differentialCHEMETICS INC·Filed 2015·Granted Oct 24, 2017·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →