Inventor

SILVA ROGERIO H

US4 patents

⚠️ This page may combine multiple inventors who share the name “SILVA ROGERIO H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DIAMOND PRODUCTS INTERNATIONAL

2 patents

US6340064B2Jan 22, 2002

Bi-center bit adapted to drill casing shoe

DIAMOND PRODUCTS INTERNATIONAL150 citations97

US6629476B2Oct 7, 2003

Bi-center bit adapted to drill casing shoe

DIAMOND PRODUCTS INTERNATIONAL35 citations91

REEDHYCALOG L P

1 patent

US6991046B2Jan 31, 2006

Expandable eccentric reamer and method of use in drilling

REEDHYCALOG L P47 citations89

REEDEYCALOG L P

1 patent

US6913098B2Jul 5, 2005

Sub-reamer for bi-center type tools

REEDEYCALOG L P15 citations78