IP Library › Assignment 018157/0326
Patent Assignment
Reel/Frame 018157/0326

Assignment of Assignor's Interest

Recorded: 2006-08-07 Pages: 3
Assignor
AYLING, LAURENCE J.
Executed: 2006-03-24
Assignee
COUPLER DEVELOPMENTS LIMITED
9 CIRCULAR ROAD, DOUGLAS, ISLE OF MAN, 1M1 1AF, UNITED KINGDOM
Covered Property (1)
Method and Apparatus for Adding a Tubular to Drill String with Diverter
Patent: 7,726,418 →
Application: 10/576,893 →
Publication: US 2006/0254822
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 28, 2015
From: COUPLER DEVELOPMENTS LIMITED
To: NATIONAL OILWELL VARCO, L.P.
Reel/Frame 036672/0586 →