Inventor · disambiguated record
Joel A. Ronne
Also filed as: RONNE JOEL A
10 granted patents·1,108 citations·filing 1998–2004
93Inventor score
Technology areasH01M
Files withBALLARD POWER SYSTEMS10
Top patents by PatentIndex Score
10 records- 0198US6057054AMembrane electrode assembly for an electrochemical fuel cell and a method of making an improved membrane electrode assemblyBALLARD POWER SYSTEMS·Filed 1998·Granted May 2, 2000·293 cites·29 claims
- 0297US6066409AElectrochemical fuel cell stack with improved reactant manifolding and sealingBALLARD POWER SYSTEMS·Filed 1998·Granted May 23, 2000·166 cites·13 claims
- 0396US6106964ASolid polymer fuel cell system and method for humidifying and adjusting the temperature of a reactant streamBALLARD POWER SYSTEMS·Filed 1998·Granted Aug 22, 2000·219 cites·10 claims
- 0494US6416895B1Solid polymer fuel cell system and method for humidifying and adjusting the temperature of a reactant streamBALLARD POWER SYSTEMS·Filed 2000·Granted Jul 9, 2002·61 cites·15 claims
- 0594US6171374B1Plate and frame fluid exchanging assembly with unitary plates and sealsBALLARD POWER SYSTEMS·Filed 1999·Granted Jan 9, 2001·171 cites·44 claims
- 0693US6423439B1Membrane electrode assembly for an electrochemical fuel cellBALLARD POWER SYSTEMS·Filed 2000·Granted Jul 23, 2002·62 cites·14 claims
- 0792US6190793B1Electrochemical fuel cell stack with an improved compression assemblyBALLARD POWER SYSTEMS·Filed 1998·Granted Feb 20, 2001·92 cites·35 claims
- 0888US6783878B2Solid polymer fuel cell system and method for humidifying and adjusting the temperature of a reactant streamBALLARD POWER SYSTEMS·Filed 2001·Granted Aug 31, 2004·32 cites·6 claims
- 0972US6764783B2Electrochemical fuel cell stack with improved reactant manifolding and sealingBALLARD POWER SYSTEMS·Filed 2003·Granted Jul 20, 2004·7 cites·11 claims
- 1068US6946212B2Electrochemical fuel cell stack with improved reactant manifolding and sealingBALLARD POWER SYSTEMS·Filed 2004·Granted Sep 20, 2005·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →