Patent Assignment
Reel/Frame 059624/0991
Assignment of Assignor's Interest
Recorded: 2022-04-18
Pages: 3
Assignor
CALDER, DEAN A.
Executed: 2020-11-02
Assignee
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE, HOUSTON, TEXAS, 77056
Covered Property
(1)
System and Method for Controlling Artificial Lift Units
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 18, 2022
From: NIMBALKAR, MANOJ M.; VENKATESH, BIMAL; ACKERMAN, RYAN S.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 059622/0654 →
Supplement No. 2 to Confirmatory Grant of Security Interest in United States Patents
Jan 13, 2023
From: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD U.K. LIMITED
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 062389/0239 →