Inventor · disambiguated record
John L. Greak
Also filed as: GREAK JOHN L
3 granted patents·1 pending application·187 citations·filing 1990–2002
74Inventor score
Files withSHELL OIL CO3
Top patents by PatentIndex Score
4 records- 0195US5103909AProfile control in enhanced oil recoverySHELL OIL CO·Filed 1991·Granted Apr 14, 1992·170 cites·17 claims
- 0250US5164253AWater repellent fabricsSHELL OIL CO·Filed 1991·Granted Nov 17, 1992·12 cites·6 claims
- 0337US2003069366A1Urethane oligomers of heterotelechelic amine functional polyolefinsFiled 2002·Application pending·0 cites
- 0425US5268004AProcess to produce water repellent fabricsSHELL OIL CO·Filed 1990·Granted Dec 7, 1993·5 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →