Inventor

WHITE ALLEN D

US3 patents

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

SMITH INTERNATIONAL

2 patents

US7686104B2Mar 30, 2010

Rolling cone drill bit having cutter elements positioned in a plurality of differing radial positions

SMITH INTERNATIONAL10 citations80

US7798255B2Sep 21, 2010

Drill bits having optimized cutting element counts for reduced tracking and/or increased drilling performance

SMITH INTERNATIONAL1 citations48

PORTWOOD GARY

1 patent

US9074431B2Jul 7, 2015

Rolling cone drill bit having high density cutting elements

PORTWOOD GARY2 citations48