Patent Assignment
Reel/Frame 055873/0256
Assignment of Assignor's Interest
Recorded: 2021-04-09
Pages: 7
Assignors
HOFFMAN, KARL H
Executed: 2021-03-04
LI, CHUNLI
Executed: 2021-03-18
XU, LIANG
Executed: 2021-03-29
Assignee
MULTI-CHEM GROUP, LLC
3000 N. SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032-3219
Covered Property
(1)
Pre-Hydration of Friction Reducers for Wellbore Fluids
Patent:
11,313,212 →
Application:
17/224,538 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 9, 2021
From: GRIFFIN, DARRELL
To: ATHLON SOLUTIONS, LLC
Reel/Frame 055873/0107 →
Merger
Apr 9, 2021
From: ATHLON SOLUTIONS, LLC
To: MULTI-CHEM GROUP, LLC
Reel/Frame 055873/0209 →
Assignment of Assignor's Interest
May 10, 2021
From: MULTI-CHEM GROUP, LLC
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 056681/0849 →
Assignment of Assignor's Interest
Aug 11, 2021
From: MULTI-CHEM GROUP, LLC
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 057143/0767 →