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Expired European patentEurope

Method for detecting heat exchanger tube failures and their location

EP 1502188 B1 · Applicant: Exergetic Systems, LLC

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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 December 18, 2002 and granted July 25, 2007. A European patent lasts at most 20 years from filing, so its term ended December 18, 2022.
  • 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.
FiledDecember 18, 2002
PublishedFebruary 2, 2005
GrantedJuly 25, 2007
Term endedDecember 18, 2022
Application numberEP 02784559
Classification (CPC)F23N1/002 +2 more

Timeline

Timeline From EPO dates

2003200520072009201120132015201720192021Application filedDec 18, 2002PublishedFeb 2, 2005Patent grantedJuly 25, 2007Term endedDec 18, 2022

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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