Inventor · disambiguated record

Willem Van Vark

Also filed as: VARK WILLEM VAN

1 granted patent·11 citations·filing 2008–2008

37Inventor score

Technology areasE21B

Files withSHELL OIL CO1

Top patents by PatentIndex Score

1 record

0172US7654322B2Systems and methods for producing oil and/or gasSHELL OIL CO·Filed 2008·Granted Feb 2, 2010·11 cites·24 claims

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