Patent Assignment
Reel/Frame 020047/0780
Assignment of Assignor's Interest
Recorded: 2007-10-31
Pages: 3
Assignee
OILFIELD MINERAL SOLUTIONS
37 BIG BRIGS WAY, NEWTONGRANGE, DALKEITH, EDINBURGH, MIDLOTHIAN, SCOTLAND, EH22 4DG, UNITED KINGDOM
Covered Property
(1)
Method for Removing Oilfield Mineral Scale from Pipes and Tubing
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 1, 2007
From: OILFIELD MINERAL SOLUTIONS LIMITED
To: M-I PRODUCTION CHEMICALS UK LIMITED (50%); OILFIELD MINERAL SOLUTIONS LIMITED (50%)
Reel/Frame 020123/0683 →
Corrective Assignment to Correct the Assignee's Name, Previously Recorded at Reel 020047, Frame 0780.
Jan 27, 2009
From: KEATCH, RICHARD W.; RAY, SIMON K.
To: OILFIELD MINERAL SOLUTIONS LIMITED
Reel/Frame 022185/0765 →
Assignment of Assignor's Interest
Jun 7, 2018
From: M-I DRILLING FLUIDS U.K. LIMITED; M-I PRODUCTION CHEMICALS LIMITED UK
To: OILFIELD MINERAL SOLUTIONS LIMITED
Reel/Frame 046021/0551 →
Corrective Assignment to Correct the Assignor's Second Page of the Assignment Previously Recorded on Reel 046021 Frame 0551. Assignor(S) Hereby Confirms the Assignment.
Jun 28, 2018
From: M-I DRILLING FLUIDS U.K. LIMITED; M-I PRODUCTION CHEMICALS LIMITED UK
To: OILFIELD MINERAL SOLUTIONS LIMITED
Reel/Frame 046463/0303 →
Assignment of Assignor's Interest
May 27, 2021
From: OILFIELD MINERAL SOLUTIONS LIMITED
To: EXKAL LIMITED
Reel/Frame 056374/0017 →