IP Library › Assignment 036169/0038
Patent Assignment
Reel/Frame 036169/0038

Assignment of Assignor's Interest

Recorded: 2015-07-24 Pages: 3
Assignor
BALLARD, DAVID
Executed: 2015-07-17
Assignee
M-I DRILLING FLUIDS UK LTD
WESTHILL INDUSTRIAL ESTATE, WESTHILL, ABERDEEN, SCOTLAND, AB32 6TQ, UNITED KINGDOM
Covered Property (1)
Set on Demand Cement Compositions for Curing Fluid Loss
Application: 14/758,764 →
Publication: US 2015/0337194
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 10, 2023
From: M-I DRILLING FLUIDS U.K. LIMITED
To: SCHLUMBERGER OILFIELD UK LIMITED
Reel/Frame 062652/0001 →
Assignment of Assignor's Interest Feb 10, 2023
From: SCHLUMBERGER OILFIELD UK LIMITED
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 062652/0317 →