Patent Assignment
Reel/Frame 053852/0198
Corrective Assignment to Correct the Assignee's Address Zip Code Previously Recorded at Reel: 053763 Frame: 0301. Assignor(S) Hereby Confirms the Assignment .
Recorded: 2020-09-22
Pages: 8
Assignors
XIAO, XIAOJUN
Executed: 2018-08-01
VAN ZELM, JOHN-PETER
Executed: 2018-08-02
MCRORY, JOHN GODFREY
Executed: 2018-08-02
Assignee
XACT DOWNHOLE TELEMETRY INC.
906 55TH AVENUE NE., CALGARY, ALBERTA, T2E 6Y4, CANADA
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 Assignor's Signature Date Previously Recorded at Reel: 053790 Frame: 0825. Assignor(S) Hereby Confirms the Assignment.
Oct 28, 2020
From: BAKER HUGHES CANADA COMPANY
To: BAKER HUGHES OILFIELD OPERATIONS LLC
Reel/Frame 054236/0746 →
Assignment of Assignor's Interest
Dec 23, 2020
From: XACT DOWNHOLE TELEMETRY LLC
To: BAKER HUGHES OILFIELD OPERATIONS LLC
Reel/Frame 054735/0712 →