Inventor · disambiguated record

Paul Ouwerkerk

Also filed as: OUWERKERK PAUL

1 granted patent·9 citations·filing 2010–2010

32Inventor score

Technology areasE21B

Files withSHELL OIL CO1

Top patents by PatentIndex Score

1 record

0174US7819200B2Method of creating an annular seal around a tubular elementSHELL OIL CO·Filed 2010·Granted Oct 26, 2010·9 cites·9 claims

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