Inventor

BARNHOUSE JAMES A

US3 patents

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

SCHLUMBERGER TECHNOLOGY CORP

2 patents

US10450803B2Oct 22, 2019

Spline insert for a downhole tool

SCHLUMBERGER TECHNOLOGY CORP0 citations42

US10190367B2Jan 29, 2019

Spline insert for a downhole tool

SCHLUMBERGER TECHNOLOGY CORP0 citations42

SMITH INTERNATIONAL

1 patent

US9915100B2Mar 13, 2018

Underreamer for increasing a bore diameter

SMITH INTERNATIONAL3 citations67