Inventor · disambiguated record

Michael J. Heymans

Also filed as: HEYMANS MICHAEL J

2 granted patents·197 citations·filing 1989–1990

71Inventor score

Technology areasB09B E21B

Files withMARATHON OIL CO2

Top patents by PatentIndex Score

2 records

0186US5002431AMethod of forming a horizontal contamination barrierMARATHON OIL CO·Filed 1989·Granted Mar 26, 1991·80 cites·10 claims
0282US5058012AMethod of extrapolating reservoir performanceMARATHON OIL CO·Filed 1990·Granted Oct 15, 1991·117 cites·9 claims

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