IP Library › Assignment 028029/0721
Patent Assignment
Reel/Frame 028029/0721

Assignment of Assignor's Interest

Recorded: 2012-04-11 Pages: 5
Assignor
CANRIG DRILLING TECHNOLOGY LTD.
Executed: 2011-12-06
Assignee
FIRST SUBSEA LIMITED (50%)
ENGINEERING HOUSE, LUNE INDUSTRIAL ESTATE, NEW QUAY ROAD, LANCASTER, LA1 5QP, UNITED KINGDOM
Covered Properties (3)
Tubular Handling Device
Patent: 7,552,764 →
Application: 11/619,946 →
Publication: US 2008/0164693
Tubular Handling Device and Methods
Patent: 8,074,711 →
Application: 12/147,223 →
Publication: US 2009/0321064
Tubular Handling Device and Methods
Patent: 8,720,541 →
Application: 12/982,644 →
Publication: US 2011/0147010
Related Assignments (6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 4, 2007
From: WEEMS, CRAIG; SULIMA, STANISLAW CASIMIR; ELLIS, BRIAN
To: CANRIG DRILLING TECHNOLOGY LTD.
Reel/Frame 018710/0147 →
Assignment of Assignor's Interest Jul 13, 2007
From: CANRIG DRILLING TECHNOLOGY
To: NABORS GLOBAL HOLDINGS, LTD.
Reel/Frame 019556/0021 →
Assignment of Assignor's Interest Aug 7, 2008
From: ELLIS, BRIAN; WEEMS, CRAIG
To: NABORS GLOBAL HOLDINGS, LTD.
Reel/Frame 021352/0747 →
Assignment of Assignor's Interest Aug 11, 2010
From: NABORS GLOBAL HOLDINGS LIMITED
To: CANRIG DRILLING TECHNOLOGY LTD.
Reel/Frame 024823/0218 →
Assignment of Assignor's Interest Mar 3, 2011
From: ELLIS, BRIAN; WEEMS, CRAIG; YOUSEF, FAISAL J.; KUTTEL, BEAT
To: CANRIG DRILLING TECHNOLOGY LTD.
Reel/Frame 025895/0687 →
Merger Aug 18, 2017
From: CANRIG DRILLING TECHNOLOGY LTD.
To: NABORS DRILLING TECHNOLOGIES USA, INC.
Reel/Frame 043601/0745 →