Inventor · disambiguated record
Rogerio H. Silva
Also filed as: SILVA ROGERIO H
4 granted patents·247 citations·filing 1999–2003
82Inventor score
Technology areasE21B
Top patents by PatentIndex Score
4 records- 0191US6340064B2Bi-center bit adapted to drill casing shoeDIAMOND PRODUCTS INTERNATIONAL·Filed 1999·Granted Jan 22, 2002·150 cites·35 claims
- 0274US6991046B2Expandable eccentric reamer and method of use in drillingREEDHYCALOG L P·Filed 2003·Granted Jan 31, 2006·47 cites·24 claims
- 0371US6629476B2Bi-center bit adapted to drill casing shoeDIAMOND PRODUCTS INTERNATIONAL·Filed 2001·Granted Oct 7, 2003·35 cites·14 claims
- 0448US6913098B2Sub-reamer for bi-center type toolsREEDEYCALOG L P·Filed 2002·Granted Jul 5, 2005·15 cites·11 claims
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