Inventor

ARLINE DARWIN D

US3 patents

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

BAKER HUGHES INC

2 patents

US7806193B2Oct 5, 2010

Swellable packer with back-up systems

BAKER HUGHES INC25 citations90

US7478679B2Jan 20, 2009

Field assembled packer

BAKER HUGHES INC16 citations81

CASTILLO ROBERT O

1 patent

US9834404B2Dec 5, 2017

Method of making a downhole swellable seal with a passageway therethrough

CASTILLO ROBERT O0 citations48