Inventor

PHAN QUAN V

US2 patents

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

BAKER HUGHES INC

1 patent

US7673704B2Mar 9, 2010

Variable positioning deep cutting rotary coring tool with expandable bit

BAKER HUGHES INC9 citations80

TCHAKAROV BORISLAV J

1 patent

US8171990B2May 8, 2012

In-situ formation strength testing with coring

TCHAKAROV BORISLAV J7 citations78