Inventor · disambiguated record

Bjørn Erling Hagen

Also filed as: HAGEN BJØRN ERLING

1 granted patent·7 citations·filing 2015–2015

29Inventor score

Technology areasE21B

Files withWEATHERFORD TECH HOLDINGS LLC1

Top patents by PatentIndex Score

1 record

0182US9970258B2Remotely operated stage cementing methods for liner drilling installationsWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted May 15, 2018·7 cites·25 claims

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