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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
06/09/2015
Application #:
13262595
Filing Dt:
12/20/2011
Publication #:
Pub Dt:
04/19/2012
Inventor:
Christian Leuchtenberg
Title:
APPARATUS FOR AND METHOD OF DRILLING A SUBTERRANEAN BOREHOLE
Assignment: 1
Reel/Frame:
029257/0815Recorded: 11/07/2012Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/07/2012
Assignee:
1 MARITIME SQUARE, #12-04A
HARBOUR FRONT CENTRE
SINGAPORE, SINGAPORE 099253
Correspondent:
BRACEWELL & GIULIANI LLP
711 LOUISIANA ST
STE 2300
HOUSTON, TX 77002
Assignment: 2
Reel/Frame:
061541/0558Recorded: 09/27/2022Pages: 90
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/16/2021
Assignee:
7909 PARKWOOD CIRCLE DRIVE
C/O NATIONAL OILWELL VARCO, L.P.
HOUSTON, TEXAS 77036
Correspondent:
THOT PATENT
P.O. BOX 10 17 56
RATINGEN, 40837 GERMANY

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