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Expired European patentEurope

Method for calculating pressure fluctuations in a fuel supply system of an internal combustion engine operating with direct injection of fuel and for controlling the injection valves thereof

EP 1585895 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 January 23, 2004 and granted May 24, 2006. A European patent lasts at most 20 years from filing, so its term ended January 23, 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.
FiledJanuary 23, 2004
PublishedOctober 19, 2005
GrantedMay 24, 2006
Term endedJanuary 23, 2024
Application numberEP 04704585
Classification (CPC)F02D41/3836

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedJan 23, 2004PublishedOct 19, 2005Patent grantedMay 24, 2006Term endedJan 23, 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

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