Inventor

CLUNAN JOHN

US2 patents

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

PORTWOOD GARY

1 patent

US9074431B2Jul 7, 2015

Rolling cone drill bit having high density cutting elements

PORTWOOD GARY2 citations48

SMITH INTERNATIONAL

1 patent

US9856701B2Jan 2, 2018

Rolling cone drill bit having high density cutting elements

SMITH INTERNATIONAL1 citations45