Inventor

MACFARLANE ALASTAIR HENRY WALTER

GB4 patents

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

NOV DOWNHOLE EURASIA LTD

2 patents

US10830011B2Nov 10, 2020

Selective downhole actuator

NOV DOWNHOLE EURASIA LTD1 citations54

US11499374B2Nov 15, 2022

Downhole devices and associated apparatus and methods

NOV DOWNHOLE EURASIA LTD0 citations47

NAT OILWELL DHT LP

1 patent

US10000970B2Jun 19, 2018

Downhole drilling assembly with motor powered hammer and method of using same

NAT OILWELL DHT LP3 citations71

MACFARLANE ALASTAIR HENRY WALTER

1 patent

US8251144B2Aug 28, 2012

Flow diverter

MACFARLANE ALASTAIR HENRY WALTER6 citations61