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Expired European patentEurope

Method and apparatus for thermal, mechanical, and electrical optimization of a solid-oxide fuel cell stack

EP 1686643 B1 · Applicant: Delphi Technologies, Inc.

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Listed from its EPO record in Patent Yard's archive of European patents past their term. Its claims, description and drawings are in the EPO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Filed January 17, 2006 and granted August 12, 2009. A European patent lasts at most 20 years from filing, so its term ended January 17, 2026.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledJanuary 17, 2006
PublishedAugust 2, 2006
GrantedAugust 12, 2009
Term endedJanuary 17, 2026
Application numberEP 06075099
Classification (CPC)H01M8/249 +2 more

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedJan 17, 2006PublishedAug 2, 2006Patent grantedAug 12, 2009Term endedJan 17, 2026

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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