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Expired European patentEurope

Fluid injection in a gas turbine during a cooling down period

EP 1784557 B1 · Applicant: SIEMENS AKTIENGESELLSCHAFT

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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 August 12, 2005 and granted March 19, 2008. A European patent lasts at most 20 years from filing, so its term ended August 12, 2025.
  • 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.
FiledAugust 12, 2005
PublishedMay 16, 2007
GrantedMarch 19, 2008
Term endedAugust 12, 2025
Application numberEP 05777877
Classification (CPC)F01D25/002 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedAug 12, 2005PublishedMay 16, 2007Patent grantedMarch 19, 2008Term endedAug 12, 2025

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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