Inventor · disambiguated record

William Robert Portas

Also filed as: PORTAS JR WILLIAM ROBERT · PORTAS WILLIAM ROBERT

2 granted patents·0 citations·filing 2012–2017

23Inventor score

Technology areasE21B

Files withSHELL OIL CO2

Top patents by PatentIndex Score

2 records

0138US10871051B2System and method for drilling a wellbore portion in a subterranean formationSHELL OIL CO·Filed 2017·Granted Dec 22, 2020·0 cites·10 claims
0238US9822614B2Combined casing system and methodSHELL OIL CO·Filed 2012·Granted Nov 21, 2017·0 cites·22 claims

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