Inventor · disambiguated record
Mark Gregory Picha
Also filed as: PICHA MARK GREGORY
4 granted patents·790 citations·filing 2004–2010
86Inventor score
Technology areasE21B
Files withSHELL OIL CO4
Top patents by PatentIndex Score
4 records- 0198US7942203B2Thermal processes for subsurface formationsSHELL OIL CO·Filed 2010·Granted May 17, 2011·107 cites·13 claims
- 0298US7640980B2Thermal processes for subsurface formationsSHELL OIL CO·Filed 2008·Granted Jan 5, 2010·126 cites·18 claims
- 0398US7360588B2Thermal processes for subsurface formationsSHELL OIL CO·Filed 2006·Granted Apr 22, 2008·158 cites·20 claims
- 0497US7121342B2Thermal processes for subsurface formationsSHELL OIL CO·Filed 2004·Granted Oct 17, 2006·399 cites·63 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →