Inventor · disambiguated record

Burkhard Zippel

Also filed as: ZIPPEL BURKHARD

1 granted patent·2 citations·filing 2015–2015

19Inventor score

Technology areasE21B

Files withWEATHERFORD TECH HOLDINGS LLC1

Top patents by PatentIndex Score

1 record

0170US9957794B2Dart detector for wellbore tubular cementationWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted May 1, 2018·2 cites·20 claims

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