Inventor

BARNHOUSE JAMES

US3 patents

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

SPM OIL & GAS INC

2 patents

US11674509B2Jun 13, 2023

Long sleeve cartridge for a fluid end block

SPM OIL & GAS INC1 citations56

US12158142B2Dec 3, 2024

System and method for maintaining pumps

SPM OIL & GAS INC0 citations47

SMITH INTERNATIONAL

1 patent

US9915101B2Mar 13, 2018

Underreamer for increasing a bore diameter

SMITH INTERNATIONAL4 citations67