Inventor · disambiguated record
Catherine Helen De Rouffignac
Also filed as: DE ROUFFIGNAC CATHERINE HELEN
3 granted patents·4 citations·filing 2004–2012
55Inventor score
Top patents by PatentIndex Score
3 records- 0157US8551668B2Sealing of a membrane electrode assemblyJOHNSON MATTHEY FUEL CELLS LTD·Filed 2012·Granted Oct 8, 2013·0 cites·15 claims
- 0252US8309268B2Sealing of a membrane electrode assemblyBUCHE SILVAIN·Filed 2004·Granted Nov 13, 2012·4 cites·18 claims
- 0337US9083012B2Membrane electrode assembly having an adhesive layer impregnating through an electrocatalyst layer and into a first gas diffusion substrateDE ROUFFIGNAC CATHERINE HELEN·Filed 2005·Granted Jul 14, 2015·0 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Catherine Helen De Rouffignac files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →