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Expired European patentEurope

Rotary electric machine and manufacturing method thereof

EP 1737101 B1 · Applicant: DENSO CORPORATION

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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 2, 2002 and granted June 29, 2011. A European patent lasts at most 20 years from filing, so its term ended December 2, 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 2, 2002
PublishedDecember 27, 2006
GrantedJune 29, 2011
Term endedDecember 2, 2022
Application numberEP 06020315
Classification (CPC)H02K3/12 +1 more

Timeline

Timeline From EPO dates

2003200520072009201120132015201720192021Application filedDec 2, 2002PublishedDec 27, 2006Patent grantedJune 29, 2011Term endedDec 2, 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

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