Inventor · disambiguated record
Ridha Chafai
Also filed as: CHAFAI RIDHA
2 granted patents·18 citations·filing 2009–2009
52Inventor score
Technology areasE21B
Files withNAT OILWELL VARCO LP2
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →