Patent Assignment
Reel/Frame 021972/0443
Assignment of Assignor's Interest
Recorded: 2008-12-12
Pages: 2
Assignor
CHEN, SHILIN
Executed: 2008-12-12
Assignee
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD, HOUSTON, TEXAS, 77072-5299
Covered Properties
(2)
Methods and Systems to Predict Rotary Drill Bit Walk and to Design Rotary Drill Bits and Other Downhole Tools
Rotary Drill Bit Steerability Prediction and Design Using Wellbore Configuration
Application:
61/013,859 →
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 18, 2008
From: CHEN, SHILIN
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 021848/0804 →
Assignment of Assignor's Interest
Dec 23, 2008
From: CHIN, SHILIN
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 022023/0614 →
Corrective Assignment to Correct the Inventors Last Name Previously Recorded on Reel 022023 Frame 0614. Assignor(S) Hereby Confirms the Assignment.
Feb 27, 2009
From: CHEN, SHILIN
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 022325/0747 →
Certificate of Continuance
Sep 13, 2016
From: OP IP SUB, LLC
To: IP OT SUB ULC
Reel/Frame 040019/0500 →
Certificate of Amalgamation
Sep 13, 2016
From: IP OT SUB ULC
To: OPEN TEXT SA ULC
Reel/Frame 040019/0578 →
Ip Business Sale Agreement
Sep 13, 2016
From: OPEN TEXT S.A.
To: OT IP SUB, LLC
Reel/Frame 040019/0627 →