Inventor · disambiguated record
Johann Einhart
Also filed as: EINHART JOHANN
6 granted patents·443 citations·filing 1995–2002
88Inventor score
Top patents by PatentIndex Score
6 records- 0197US6080503APolymer electrolyte membrane fuel cells and stacks with adhesively bonded layersBALLARD POWER SYSTEMS·Filed 1998·Granted Jun 27, 2000·241 cites·3 claims
- 0296US6495278B1Polymer electrolyte membrane electrochemical fuel cells and stacks with adhesively bonded layersBALLARD POWER SYSTEMS·Filed 2000·Granted Dec 17, 2002·91 cites·32 claims
- 0390US6730423B2Electrical contacting device for an electrochemical fuel cellBALLARD POWER SYSTEMS·Filed 2002·Granted May 4, 2004·45 cites·21 claims
- 0475US6777127B2Systems, apparatus and methods for bonding and/or sealing electrochemical cell elements and assembliesBALLARD POWER SYSTEMS·Filed 2001·Granted Aug 17, 2004·23 cites·36 claims
- 0567US5823252ATwo-stage evaporator unitDAIMLER BENZ AG·Filed 1995·Granted Oct 20, 1998·28 cites·10 claims
- 0644US6531876B1Apparatus for voltage measurementBALLARD POWER SYSTEMS·Filed 1999·Granted Mar 11, 2003·15 cites·21 claims
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