Inventor · disambiguated record

Roy W. Benefield

Also filed as: BENEFIELD ROY W

2 granted patents·126 citations·filing 1987–2001

67Inventor score

Technology areasE21B

Files withFMC CORP1 FMC TECHNOLOGIES1

Top patents by PatentIndex Score

2 records

0184US6557629B2Wellhead isolation toolFMC TECHNOLOGIES·Filed 2001·Granted May 6, 2003·108 cites·17 claims
0239US4848777APressure energized/pressure intensified casing sealFMC CORP·Filed 1987·Granted Jul 18, 1989·18 cites·2 claims

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