Inventor · disambiguated record

Cornelis C. Valkenburg

Also filed as: VALKENBURG CORNELIS C

2 granted patents·28 citations·filing 2014–2016

58Inventor score

Technology areasE21B

Files withWEATHERFORD LAMB INC1 WEATHERFORD TECH HOLDINGS LLC1

Top patents by PatentIndex Score

2 records

0191US9765605B2Re-fracture apparatus and method for wellboreWEATHERFORD LAMB INC·Filed 2014·Granted Sep 19, 2017·26 cites·21 claims
0269US10151169B2Dual barrier pump-out plugWEATHERFORD TECH HOLDINGS LLC·Filed 2016·Granted Dec 11, 2018·2 cites·27 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →