Inventor · disambiguated record
Antonio Maria Guimaraes Leite Cruz
Also filed as: CRUZ ANTONIO MARIA GUIMARAES LEITE
5 granted patents·94 citations·filing 2004–2012
81Inventor score
Technology areasE21B
Top patents by PatentIndex Score
5 records- 0193US8267185B2Circulated heated transfer fluid systems used to treat a subsurface formationOCAMPOS ERNESTO RAFAEL FONSECA·Filed 2009·Granted Sep 18, 2012·57 cites·19 claims
- 0257US7546888B2Percussive drill bitSHELL OIL CO·Filed 2004·Granted Jun 16, 2009·23 cites·20 claims
- 0356US9309755B2Thermal expansion accommodation for circulated fluid systems used to heat subsurface formationsSHELL OIL CO·Filed 2012·Granted Apr 12, 2016·2 cites·17 claims
- 0441US7726419B2Drill bit, system, and method for drilling a borehole in an earth formationSHELL OIL CO·Filed 2004·Granted Jun 1, 2010·7 cites·19 claims
- 0539US7455126B2Percussive drill bit, drilling system comprising such a drill bit and method of drilling a bore holeSHELL OIL CO·Filed 2004·Granted Nov 25, 2008·5 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →