Patent Assignment
Reel/Frame 054236/0746
Corrective Assignment to Correct the Assignor's Signature Date Previously Recorded at Reel: 053790 Frame: 0825. Assignor(S) Hereby Confirms the Assignment.
Recorded: 2020-10-28
Pages: 6
Assignor
BAKER HUGHES CANADA COMPANY
Executed: 2019-06-11
Assignee
BAKER HUGHES OILFIELD OPERATIONS LLC
17021 ALDINE WESTFIELD, HOUSTON, TEXAS, 77073
Covered Property
(1)
Method and Apparatus for Pre-Loading a Piezoelectric Transducer for Downhole Acoustic Communication
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 14, 2020
From: XIAO, XIAOJUN; VAN ZELM, JOHN-PETER; GODFREY MCRORY, JOHN
To: XACT DOWNHOLE TELEMETRY INC.
Reel/Frame 053763/0301 →
Assignment of Assignor's Interest
Sep 16, 2020
From: XACT DOWNHOLE TELEMETRY INC.
To: BAKER HUGHES CANADA COMPANY
Reel/Frame 053786/0583 →
Assignment of Assignor's Interest
Sep 16, 2020
From: BAKER HUGHES CANADA COMPANY
To: BAKER HUGHES OILFIELD OPERATIONS LLC
Reel/Frame 053790/0825 →
Corrective Assignment to Correct the Assignee's Address Zip Code Previously Recorded at Reel: 053763 Frame: 0301. Assignor(S) Hereby Confirms the Assignment .
Sep 22, 2020
From: XIAO, XIAOJUN; VAN ZELM, JOHN-PETER; MCRORY, JOHN GODFREY
To: XACT DOWNHOLE TELEMETRY INC.
Reel/Frame 053852/0198 →
Assignment of Assignor's Interest
Dec 23, 2020
From: XACT DOWNHOLE TELEMETRY LLC
To: BAKER HUGHES OILFIELD OPERATIONS LLC
Reel/Frame 054735/0712 →