Inventor · disambiguated record
Joseph J. Heystek
Also filed as: HEYSTEK JOSEPH J · HEYSTEK JOSEPH JOHN
4 granted patents·9 citations·filing 2004–2007
67Inventor score
Technology areasH01M
Top patents by PatentIndex Score
4 records- 0171US7790305B2Gas diffusion layers with integrated seals having interlocking featuresFREUDENBERG NOK GP·Filed 2007·Granted Sep 7, 2010·3 cites·7 claims
- 0268US7582378B2Fuel cell seal and plate featuresFREUDENBERG NOK GP·Filed 2005·Granted Sep 1, 2009·3 cites·20 claims
- 0351US7687180B2Overmolded support plate for fuel cellFREUDENBERG NOK GP·Filed 2004·Granted Mar 30, 2010·3 cites·27 claims
- 0439US9496578B2Gas diffusion layer with integrated seal for use in a fuel cellHEYSTEK JOSEPH J·Filed 2007·Granted Nov 15, 2016·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →