Patent Assignment
Reel/Frame 025600/0059
Merger
Recorded: 2011-01-07
Pages: 11
Assignor
HYDRIL COMPANY LP
Executed: 2007-06-29
Assignee
HYDRIL COMPANY
2200 WEST LOOP SOUTH, SUITE 800, HOUSTON, TEXAS, 77027
Covered Properties
(29)
Tubular Coupling with Improved Metal to Metal Seal
Patent:
5,423,579 →
Application:
06/458,732 →
Method of Connecting Plastic Pipe Joints to Form a Liner for an Existing Pipeline and a Plastic Pipe Joint for Forming Such Liner
Patent:
5,360,240 →
Application:
08/027,280 →
Tool Joint Connection with Interlocking Wedge Threads
Patent:
5,454,605 →
Application:
08/078,995 →
Threaded Pipe Connection
Patent:
5,794,985 →
Application:
08/759,288 →
Stress Reduction Groove for Tubular Connection
Patent:
6,050,610 →
Application:
09/019,611 →
Two-Step, Differential Diameter Wedge Threaded Connector
Patent:
6,123,368 →
Application:
09/044,596 →
Two-Step, Low Torque Wedge Thread for Tubular Connector
Patent:
6,174,001 →
Application:
09/044,707 →
Multi-Start Wedge Thread for Tubular Connection
Patent:
6,158,785 →
Application:
09/130,249 →
Method for Detecting Wear at Connections Between Pine and Box Jonits and Box Joints
Patent:
6,009,611 →
Application:
09/159,939 →
Differential Wedge Thread for Threaded Connector
Patent:
6,206,436 →
Application:
09/253,237 →
Method of Making Composite Liner for Oilfield Tubular Goods
Patent:
6,596,121 →
Application:
09/434,053 →
Collapsing Type Seal for Expandable Tubular Connections
Patent:
6,554,287 →
Application:
09/457,997 →
Two-step, low torque wedge thread for tubular connector
Patent:
6,270,127 →
Application:
09/615,487 →
Two-Step Threaded Connector Having Differential Thread Width
Patent:
6,530,607 →
Application:
09/707,278 →
Tubular Joint Wear Indicator
Double Flex Seal for Tubular Connection
Radially Expandable Tubular Connection
Apparatus and Method to Expand Casing
Composite Liner for Oilfield Tubular Goods
Expansion Pig
Expandable Threaded Connection
Electrical Contactors Embedded in Threaded Connections
Pseudo Two-Step Connection
Threads with Perturbations
Mid-Seal for Expandable Connections
Helical Groove for a Tubular Connection
Threaded Connection with Wedge Segments
Expansion Pig
Threads with Perturbations
Related Assignments
(13)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 6, 2001
From: MALLIS, DAVID LLEWELLYN
To: HYDRIL COMPANY
Reel/Frame 012056/0732 →
Assignment of Assignor's Interest
Oct 9, 2001
From: SIVLEY, ROBERT S., IV
To: HYDRIL COMPANY
Reel/Frame 012251/0244 →
Assignment of Assignor's Interest
Oct 24, 2001
From: SIVLEY, ROBERT S., IV
To: HYDRIL COMPANY
Reel/Frame 012361/0534 →
Assignment of Assignor's Interest
Sep 23, 2003
From: HYDRIL COMPANY
To: HYDRIL COMPANY LP
Reel/Frame 014499/0197 →
Assignment of Assignor's Interest
Dec 2, 2003
From: HYDRIL COMPANY
To: HYDRIL COMPANY LP
Reel/Frame 014763/0830 →
Release of Lien
Jun 16, 2004
From: CHASE BANK OF TEXAS, NATIONAL ASSOCIATION
To: HYDRIL COMPANY
Reel/Frame 014734/0860 →
Assignment of Assignor's Interest
Nov 10, 2004
From: REYNOLDS, HARRIS A., JR.
To: HYDRIL COMPANY
Reel/Frame 016002/0673 →
Assignment of Assignor's Interest
Dec 28, 2004
From: SIVLEY, IV, ROBERT S.
To: HYDRIL COMPANY
Reel/Frame 016107/0496 →
Assignment of Assignor's Interest
Mar 25, 2005
From: MALLIS, DAVID LLEWELLYN
To: HYDRIL COMPANY
Reel/Frame 016391/0925 →
Corrective Assignment to Correct the Receiving Party Name, Previously Recorded at Reel 016107, Frame 0496.
Jul 1, 2005
From: SIVLEY, IV, ROBERT S.
To: HYDRIL COMPANY L.P.
Reel/Frame 016754/0773 →
Corrective Assignment to Correct the Assignee's Name Previously Recorded on Reel 016391, Frame 0925.
Oct 5, 2005
From: MALLIS, DAVID LLEWELLYN
To: HYDRIL COMPANY LP
Reel/Frame 017826/0107 →
Assignment of Assignor's Interest
Nov 9, 2006
From: HYDRIL COMPANY
To: HYDRIL COMPANY LP
Reel/Frame 018502/0313 →
Assignment of Assignor's Interest
Nov 29, 2006
From: SIVLEY, ROBERT S., IV; REYNOLDS, HARRIS A., JR.
To: HYDRIL COMPANY LP
Reel/Frame 018559/0374 →