Membership
Tour
Register
Log in
David Sim
Follow
Person
Calgary, CA
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Mud pulse landing assembly for use in directional drilling
Patent number
7,429,934
Issue date
Sep 30, 2008
Ryan Energy Technologies
David F. Sim
E21 - EARTH DRILLING MINING
Information
Patent Grant
High speed data communication protocol for use with EM data telemet...
Patent number
7,088,260
Issue date
Aug 8, 2006
Ryan Energy Technologies
Matthew Robert White
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Mud pulse landing assembly for use in directional drilling
Publication number
20060098532
Publication date
May 11, 2006
David F. Sim
E21 - EARTH DRILLING MINING
Information
Patent Application
High speed data communication protocol for use with EM data telemet...
Publication number
20050200496
Publication date
Sep 15, 2005
Matthew Robert White
G01 - MEASURING TESTING