Patent Assignment
Reel/Frame 022464/0150
Change of Name
Recorded: 2009-03-27
Pages: 3
Assignor
HYDRIL GENERAL LLC
Executed: 2007-07-19
Assignee
HYDRIL LLC
3300 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032
Covered Property
(1)
Wedge Thread Connections Having a Clearance Gap Volume
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 25, 2007
From: REYNOLDS, HARRIS A., JR.
To: HYDRIL COMPANY LP
Reel/Frame 019871/0177 →
Merger
Mar 27, 2009
From: HYDRIL COMPANY LP
To: HYDRIL GENERAL LLC
Reel/Frame 022461/0541 →
Change of Name
Oct 15, 2010
From: HYDRIL LLC
To: HYDRIL COMPANY
Reel/Frame 025146/0942 →