Inventor · disambiguated record

Evan Campbell

Also filed as: CAMPBELL EVAN · CAMPBELL EVAN E

2 granted patents·124 citations·filing 1974–1991

67Inventor score

Technology areasB01D G01F

Files withCAMPBELL SCIENT INC1 US ENERGY1

Top patents by PatentIndex Score

2 records

0188US3933431AMethod and apparatus for sampling atmospheric mercuryUS ENERGY·Filed 1974·Granted Jan 20, 1976·106 cites·6 claims
0250US5244177AHanger for suspending equipment in a storage tankCAMPBELL SCIENT INC·Filed 1991·Granted Sep 14, 1993·18 cites·18 claims

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