Patent Assignment
Reel/Frame 061541/0558
Assignment of Assignor's Interest
Recorded: 2022-09-27
Pages: 90
Assignor
MANAGED PRESSURE OPERATIONS PTE. LTD.
Executed: 2021-11-16
Assignee
GRANT PRIDECO, INC.
7909 PARKWOOD CIRCLE DRIVE, C/O NATIONAL OILWELL VARCO, L.P., HOUSTON, TEXAS, 77036
Covered Properties
(35)
Drill Pipe
Method of Drilling a Subterranean Borehole
Drilling Method For Drilling A Subterranean Borehole
Apparatus for and Method of Drilling a Subterranean Borehole
Drill Pipe Connector
Blowout Preventer Assembly
Drilling System and Method of Operating a Drilling System
Blowout Preventer Assembly
Method of Drilling a Subterranean Borehole
Drilling Apparatus
Method and Apparatus for Drilling Subterranean Borehole
Blow Out Preventer
Sealing Assembly
Slip Joint and Method of Operating a Slip Joint
Valve Assembly
Method of and Apparatus for Drilling a Subterranean Wellbore
Method of Handling a Gas Influx in a Riser
Method of Drilling a Subterranean Borehole
Drilling Method for Drilling a Subterranean Borehole
Apparatus for Continuous Circulation Drilling of a Wellbore
Pressure Containment Device
Drilling System and Method of Operating a Drilling System
Apparatus and Method for Degassing Drilling Fluids
Valve Assembly
Connector Assembly for Connecting a Hose to a Tubular
Sealing Element Wear Indicator System
Drilling Method for Drilling a Subterranean Borehole
Drilling System and Method of Operating a Drilling System
Drilling System and Method of Operating a Drilling System
Pressure Containment Devices
Modified Pumped Riser Solution
Riser Pressure Relief Apparatus
Pressure Containment Device
Method of Drilling a Subterranean Borehole
Sealing Element Wear Indicator System
Related Assignments
(21)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 5, 2009
From: YOUNGER, RAE; MACGREGOR, ALEX; BOUILLET, ADRIEN; LEUCHTENBERG, CHRISTIAN
To: MANAGED PRESSURE OPERATIONS LLC
Reel/Frame 023477/0763 →
Assignment of Assignor's Interest
Dec 8, 2010
From: LEUCHTENBERG, CHRISTIAN
To: SAUDI ARABIAN OIL COMPANY
Reel/Frame 025479/0234 →
Corrective Assignment to Correct the Assignee Previously Recorded on Reel 025479 Frame 0234. Assignor(S) Hereby Confirms the Saudi Arabian Oil Company 1 Eastern Avenue Dhahran, Saudi Arabia 31311.
Dec 30, 2010
From: LEUCHTENBERG, CHRISTIAN
To: MANAGED PRESSURE OPERATIONS PTE LTD.
Reel/Frame 025573/0358 →
Assignment of Assignor's Interest
Jan 25, 2011
From: MANAGED PRESSURE OPERATIONS INTERNATIONAL LIMITED
To: MANAGED PRESSURE OPERATIONS PTE LTD.
Reel/Frame 025695/0574 →
Assignment of Assignor's Interest
Jan 25, 2011
From: MANAGED PRESSURE OPERATIONS LLC
To: MANAGED PRESSURE OPERATIONS INTERNATIONAL LIMITED
Reel/Frame 025695/0421 →
Assignment of Assignor's Interest
Nov 17, 2011
From: ORBELL, CHARLES; SAVAGE, PAT
To: MANAGED PRESSURE OPERATIONS PTE LTD
Reel/Frame 027247/0681 →
Assignment of Assignor's Interest
May 25, 2012
From: LEUCHTENBERG, CHRISTIAN
To: MANAGED PRESSURE OPERATIONS PTE LTD.
Reel/Frame 028269/0079 →
Assignment of Assignor's Interest
Oct 4, 2012
From: LEUCHTENBERG, CHRISTIAN
To: MANAGED PRESSURE OPERATIONS PTE LTD.
Reel/Frame 029078/0273 →
Assignment of Assignor's Interest
Nov 7, 2012
From: LEUCHTENBERG, CHRISTIAN
To: MANAGED PRESSURE OPERATIONS PTE LTD
Reel/Frame 029257/0815 →
Assignment of Assignor's Interest
Dec 10, 2012
From: LEUCHTENBERG, CHRISTIAN; YOUNGER, RAE; MACGREGOR, ALEX; BUCKLAND, JONATHAN
To: MANAGED PRESSURE OPERATIONS PTE. LTD.
Reel/Frame 029440/0275 →
Corrective Assignment to Correct the Corrective Assignment to Re-Record Assignee's Address Previously Recorded on Reel 025573 Frame 0358. Assignor(S) Hereby Confirms the to Managed Pressure Operations Pte Ltd., 1 Maritime Square, #12-04A, Harbour Front Centre, Singapore, Singapore 099253.
Dec 17, 2012
From: LEUCHTENBERG, CHRISTIAN
To: MANAGED PRESSURE OPERATIONS PTE LTD
Reel/Frame 029485/0725 →
Assignment of Assignor's Interest
Apr 2, 2013
From: LEUCHTENBERG, CHRISTIAN; MACGREGOR, ALEXANDER JOHN
To: MANAGED PRESSURE OPERATIONS PTE, LIMITED
Reel/Frame 030130/0248 →
Assignment of Assignor's Interest
May 22, 2013
From: LEUCHTENBERG, CHRISTIAN
To: MANAGED PRESSURE OPERATIONS PTE LTD
Reel/Frame 030465/0090 →
Assignment of Assignor's Interest
Jun 28, 2013
From: LEUCHTENBERG, CHRISTIAN
To: MANAGED PRESSURE OPERATIONS PTE. LTD.
Reel/Frame 030713/0386 →
Assignment of Assignor's Interest
Oct 16, 2013
From: LEUCHTENBERG, CHRISTIAN; MACGREGOR, ALEXANDER JOHN
To: MANAGED PRESSURE OPERATIONS PTE LTD
Reel/Frame 031415/0040 →
Assignment of Assignor's Interest
Oct 23, 2013
From: LEUCHTENBERG, CHRISTIAN; MACGREGOR, ALEXANDER JOHN
To: MANAGED PRESSURE OPERATIONS PTE. LTD.
Reel/Frame 031463/0596 →
Assignment of Assignor's Interest
Oct 29, 2013
From: ORBELL, CHARLES
To: MANAGED PRESSURE OPERATIONS PTE. LTD.
Reel/Frame 031497/0333 →
Assignment of Assignor's Interest
Jan 24, 2014
From: LEUCHTENBERG, CHRISTIAN; MACGREGOR, ALEXANDER JOHN
To: MANAGED PRESSURE OPERATIONS PTE LTD
Reel/Frame 032041/0668 →
Assignment of Assignor's Interest
Jun 5, 2014
From: BISSET, JAMES; YOUNGER, RAE; BUCKLAND, JONATHAN; GOUGEON, BAPTISTE
To: MANAGED PRESSURE OPERATIONS PTE. LTD.
Reel/Frame 033043/0005 →
Assignment of Assignor's Interest
Oct 14, 2014
From: LEUCHTENBERG, CHRISTIAN
To: MANAGED PRESSURE OPERATIONS PTE. LTD.
Reel/Frame 033946/0555 →
Assignment of Assignor's Interest
Mar 12, 2015
From: LEUCHTENBERG, CHRISTIAN; CHANDRA, MICHAEL; GONCALVES, CARLOS
To: MANAGED PRESSURE OPERATIONS PTE LTD
Reel/Frame 035151/0562 →