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Expired European patentEurope

Method for determining the rotor position of an electronically-commutated dc motor

EP 1586159 B1 · Applicant: KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH

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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 9, 2004 and granted July 3, 2013. A European patent lasts at most 20 years from filing, so its term ended January 9, 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 9, 2004
PublishedOctober 19, 2005
GrantedJuly 3, 2013
Term endedJanuary 9, 2024
Application numberEP 04700985
Classification (CPC)H02P6/18

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedJan 9, 2004PublishedOct 19, 2005Patent grantedJuly 3, 2013Term endedJan 9, 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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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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