Membership
Tour
Register
Log in
Murray Gilbertson
Follow
Person
Camps Bay, ZA
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Downhole pulse generating device for through-bore operations
Patent number
9,598,923
Issue date
Mar 21, 2017
National-Oilwell Varco, L.P.
Russell Gilleylen
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
DOWNHOLE PULSE GENERATING DEVICE FOR THROUGH-BORE OPERATIONS
Publication number
20140151068
Publication date
Jun 5, 2014
National-Oilwell Varco, L.P.
Russell GILLEYLEN
E21 - EARTH DRILLING MINING