Inventor · disambiguated record
Robin Adrianus Hartmann
Also filed as: HARTMANN ROBIN A · HARTMANN ROBIN ADRIANUS
3 granted patents·641 citations·filing 1995–2002
81Inventor score
Technology areasE21B
Files withSHELL OIL CO3
Top patents by PatentIndex Score
3 records- 0195US6991045B2Forming openings in a hydrocarbon containing formation using magnetic trackingSHELL OIL CO·Filed 2002·Granted Jan 31, 2006·281 cites·90 claims
- 0291US5541517AMethod for drilling a borehole from one cased borehole to another cased boreholeSHELL OIL CO·Filed 1995·Granted Jul 30, 1996·336 cites·16 claims
- 0345US5787997AMethod of qualifying a borehole surveySHELL OIL CO·Filed 1996·Granted Aug 4, 1998·24 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →