Inventor · disambiguated record

Robert E. Sheffield

Also filed as: SHEFFIELD ROBERT E

2 granted patents·67 citations·filing 1976–1984

66Inventor score

Technology areasE21B F23N

Files withSHELL OIL CO1 SHELL WESTERN F & P INC1

Top patents by PatentIndex Score

2 records

0173US4054408AMethod for optimizing the position of a furnace damper without flue gas analyzersSHELL OIL CO·Filed 1976·Granted Oct 18, 1977·23 cites·12 claims
0266US4538684ARepair of shallow casing leaks in oil wellsSHELL WESTERN F & P INC·Filed 1984·Granted Sep 3, 1985·44 cites·20 claims

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