Patent Assignment
Reel/Frame 052890/0602
Assignment of Assignor's Interest
Recorded: 2020-06-10
Pages: 7
Assignors
LI, LEIMING
Executed: 2020-03-11
XU, LIANG
Executed: 2020-06-08
OGLE, JAMES WILLIAM
Executed: 2020-05-27
Assignee
MULTI-CHEM GROUP, LLC
3000 N. SAM HOUSTON PARKWAY E., HOUSTON, TEXAS, 77032-3219
Covered Property
(1)
Water-Based Friction Reducing Additives
Patent:
11,326,091 →
Application:
16/830,530 →
Publication:
US 2021/0301195
PCT:
PCT/US2020/025711 ↗
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Second Inventor's Execution Date Previously Recorded at Reel: 052890 Frame: 0602. Assignor(S) Hereby Confirms the Assignment.
Sep 2, 2020
From: LI, LEIMING; XU, LIANG; OGLE, JAMES WILLIAM
To: MULTI-CHEM GROUP, LLC
Reel/Frame 053670/0407 →
Assignment of Assignor's Interest
May 10, 2021
From: MULTI-CHEM GROUP, LLC
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 056681/0849 →