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Expired European patentEurope

Method for adjusting several parallel connected heat exchangers

EP 1606556 B1 · Applicant: Danfoss A/S

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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 March 18, 2004 and granted March 4, 2015. A European patent lasts at most 20 years from filing, so its term ended March 18, 2024.
  • 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.
FiledMarch 18, 2004
PublishedDecember 21, 2005
GrantedMarch 4, 2015
Term endedMarch 18, 2024
Application numberEP 04721469
Classification (CPC)F24D3/12 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedMarch 18, 2004PublishedDec 21, 2005Patent grantedMarch 4, 2015Term endedMarch 18, 2024

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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