Patent Assignment
Reel/Frame 036617/0471
Assignment of Assignor's Interest
Recorded: 2015-08-27
Pages: 4
Assignor
OILFIELD MINERAL SOLUTIONS LIMITED
Executed: 2015-02-03
Assignees
OILFIELD MINERAL SOLUTIONS LIMITED
8 ALFRED PLACE, EDINBURGH, SCOTLAND, EH9 1RX, UNITED KINGDOM
M-I DRILLING FLUIDS U.K. LIMITED
PEREGRINE HOUSE, PEREGRINE ROAD, WESTHILL, ABERDEENSHIRE, SCOTLAND, AB32 6JL, UNITED KINGDOM
Covered Properties
(2)
Method of Mercury Decontamination
Method of Mercury Decontamination
Application:
61/757,961 →
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 22, 2015
From: KEATCH, RICHARD
To: OILFIELD MINERAL SOLUTIONS
Reel/Frame 035224/0378 →
Assignment of Assignor's Interest
Mar 22, 2015
From: OILFIELD MINERAL SOLUTIONS LIMITED
To: M-I DRILLING FLUIDS U.K. LIMITED
Reel/Frame 035224/0387 →
Corrective Assignment to Correct the Correspondence State and Receiving Party Data Previously Recorded at Reel: 035224 Frame: 0378. Assignor(S) Hereby Confirms the Assignment.
Mar 24, 2015
From: KEATCH, RICHARD
To: OILFIELD MINERAL SOLUTIONS LIMITED
Reel/Frame 035259/0270 →
Assignment of Assignor's Interest
Aug 27, 2015
From: KEATCH, RICHARD
To: OILFIELD MINERAL SOLUTIONS LIMITED
Reel/Frame 036440/0387 →
Assignment of Assignor's Interest
Jun 7, 2018
From: M-I DRILLING FLUIDS U.K. LIMITED
To: OILFIELD MINERAL SOLUTIONS LIMITED
Reel/Frame 046021/0494 →
Corrective Assignment to Correct the Typographical Error on the Assignor's Name on the Second Page of the Assignment Previously Recorded on Reel 046021 Frame 0494. Assignor(S) Hereby Confirms the Assignment.
Jun 28, 2018
From: M-I DRILLING FLUIDS U.K. LIMITED
To: OILFIELD MINERAL SOLUTIONS LIMITED
Reel/Frame 046463/0363 →
Assignment of Assignor's Interest
May 27, 2021
From: OILFIELD MINERAL SOLUTIONS LIMITED
To: EXKAL LIMITED
Reel/Frame 056374/0017 →