IP Library › Assignment 032440/0668
Patent Assignment
Reel/Frame 032440/0668

Assignment of Assignor's Interest

Recorded: 2014-03-14 Pages: 7
Assignors
ELLIS, BRIAN C.
Executed: 2011-01-05
WEEMS, CRAIG C.
Executed: 2011-02-22
YOUSEF, FAISAL J.
Executed: 2011-01-05
KUTTEL, BEAT
Executed: 2011-01-05
Assignee
CANRIG DRILLING TECHNOLOGY LTD.
8223 WILLOW PLACE DRIVE SOUTH, HOUSTON, TEXAS, 77070
Covered Property (1)
Tubular Handling Methods
Patent: 9,303,472 →
Application: 14/211,477 →
Publication: US 2014/0196909
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 7, 2016
From: CANRIG DRILLING TECHNOLOGY LTD.
To: FIRST SUBSEA LIMITED (50%)
Reel/Frame 037903/0486 →
Merger Aug 18, 2017
From: CANRIG DRILLING TECHNOLOGY LTD.
To: NABORS DRILLING TECHNOLOGIES USA, INC.
Reel/Frame 043601/0745 →