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Expired European patentEurope

Pelton turbine with a water drain system

EP 1828596 B1 · Applicant: Erlach Consult Jec

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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 November 30, 2005 and granted September 23, 2009. A European patent lasts at most 20 years from filing, so its term ended November 30, 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.
FiledNovember 30, 2005
PublishedSeptember 5, 2007
GrantedSeptember 23, 2009
Term endedNovember 30, 2025
Application numberEP 05813550
Classification (CPC)F03B1/00 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedNov 30, 2005PublishedSep 5, 2007Patent grantedSep 23, 2009Term endedNov 30, 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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.