Patent Assignment
Reel/Frame 022177/0964
Corrective Assignment to Correct the Name of Receiving Party Previously Recorded on Reel 010478 Frame 0579. Assignor(S) Hereby Confirms the Assignment of Assignor's Interest to W-H Energy Services, Inc..
Recorded: 2009-02-02
Pages: 5
Assignee
W-H ENERGY SERVICES, INC.
10370 RICHMOND AVE., HOUSTON, TEXAS, 77042
Covered Property
(1)
Technique for Signal Detection Using Adaptive Filtering in Mud Pulse Telemetry
Patent:
6,308,562 →
Application:
09/469,989 →
Related Assignments
(9)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 22, 1999
From: ABDALLAH, ALI H.; BEATTIE, MARK S.
To: W-H ENERGY SYSTEMS, INC.
Reel/Frame 010478/0579 →
Security Agreement
Dec 22, 2000
From: PATHFINDER ENERGY SERVICES, INC.
To: WELLS FARGO BANK TEXAS, AS ADMINISTRATIVE AGENT
Reel/Frame 011461/0670 →
Security Interest
Nov 14, 2003
From: W-H ENERGY SERVICES, INC.
To: WELLS FARGO BANK TEXAS, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 014692/0797 →
Security Agreement
Feb 24, 2005
From: W-H ENERGY SERVICES, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 015698/0530 →
Assignment of Assignor's Interest
Feb 10, 2009
From: W-H ENERGY SERVICES, INC.
To: SMITH INTERNATIONAL, INC.
Reel/Frame 022231/0083 →
Release of Security Interest
Apr 7, 2009
From: WELLS FARGO BANK, NATIONAL ASSOCIATION (AS ADMINISTRATIVE AGENT)
To: W-H ENERGY SERVICES, INC.
Reel/Frame 022510/0751 →
Release of Security Interest
Apr 8, 2009
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS SUCCESSOR BY MERGER TO WELLS FARGO BANK TEXAS, N.A. (AS ADMINISTRATIVE AGENT)
To: W-H ENERGY SERVICES, INC.
Reel/Frame 022520/0365 →
Release of Security Interest
Apr 8, 2009
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS SUCCESSOR BY MERGER TO WELLS FARGO BANK TEXAS, N.A. (AS ADMINISTRATIVE AGENT)
To: PATHFINDER ENERGY SERVICES, INC.
Reel/Frame 022520/0291 →
Assignment of Assignor's Interest
Oct 17, 2012
From: SMITH INTERNATIONAL, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029143/0015 →