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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
6956791
Issue Dt:
10/18/2005
Application #:
10354157
Filing Dt:
01/28/2003
Publication #:
20040145970
Pub Dt:
07/29/2004
Inventors:
Anthony R. Dopf, Paul L. Camwell, Wendall L. Siemens, Derek W. Logan
Title:
APPARATUS FOR RECEIVING DOWNHOLE ACOUSTIC SIGNALS
Assignment: 1
Reel/Frame:
014069/0593Recorded: 05/16/2003Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
DOPF, ANTHONY R.
Exec Dt:
04/29/2003
CAMWELL, PAUL L.
Exec Dt:
04/29/2003
SIEMENS, WENDALL L.
Exec Dt:
04/29/2003
LOGAN, DEREK W
Exec Dt:
04/29/2003
Assignee:
EXTREME ENGINEERING LTD.
BAY 8 6025 - 12TH STREET SOUTHEAST
CALGARY, AB, CANADA T2H 2K1
Correspondent:
SEED INTELLECTUAL PROPERTY
FRANK ABRAMONTE
701 FIFTH AVENUE, SOUTH 6300
SEATTLE, WA 98104-7092
Assignment: 2
Reel/Frame:
015751/0444Recorded: 08/31/2004Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
EXTREME ENGINEERING LTD.
Exec Dt:
07/19/2004
Assignee:
XACT DOWNHOLE TELEMETRY INC.
BAY 6, 6025 -12TH STREET S.E.
CALGARY, AB, CANADA T2H 2K1
Correspondent:
D. DOAK HORNE
700 2ND STREET SW
SUITE 1400
CALGARY, AB, CAX T2P 4V5
Assignment: 3
Reel/Frame:
049513/0022Recorded: 06/19/2019Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
XACT DOWNHOLE TELEMETRY INC.
Exec Dt:
05/30/2019
Assignee:
BAKER HUGHES CANADA COMPANY
1000, 401 9TH AVENUE
SW CALGARY, AB, CANADA T2P3C5
Correspondent:
CANTOR COLBURN - BAKER HUGHES, A GE COMPANY
20 CHURCH STREET, 22ND FLR.
HARTFORD, CT 06103
Assignment: 4
Reel/Frame:
049519/0660Recorded: 06/19/2019Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
BAKER HUGHES CANADA COMPANY
Exec Dt:
06/11/2019
Assignee:
BAKER HUGHES OILFIELD OPERATIONS LLC
17021 ALDINE WESTFIELD
HOUSTON, TEXAS 77073
Correspondent:
CANTOR COLBURN - BAKER HUGHES, A GE COMPANY LLC
20 CHURCH STREET, 22ND FLR.
HARTFORD, CT 06103
Assignment: 5
Reel/Frame:
054735/0712Recorded: 12/23/2020Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
XACT DOWNHOLE TELEMETRY LLC
Exec Dt:
12/18/2020
Assignee:
BAKER HUGHES OILFIELD OPERATIONS LLC
17021 ALDINE WESTFIELD RD
HOUSTON, TEXAS 77073
Correspondent:
DEIDRA MCRAE
14990 YORKTOWN PLAZA DRIVE
HOUSTON, TX 77040

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