Patent Assignment
Reel/Frame 022276/0930
Change of Name
Recorded: 2009-02-18
Pages: 3
Assignor
HYDRIL GENERAL LLC
Executed: 2007-07-19
Assignee
HYDRIL LLC
3300 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032-3411
Covered Property
(1)
Floating Wedge Thread for Tubular Connection
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 15, 2006
From: MALLIS, DAVID LLEWELLYN; SIVLEY, IV, ROBERT S.; REYNOLDS, JR., HARRIS A.
To: HYDRIL COMPANY LP
Reel/Frame 018106/0696 →
Merger
Feb 18, 2009
From: HYDRIL COMPANY LP
To: HYDRIL GENERAL LLC
Reel/Frame 022276/0611 →
Change of Name
Jan 7, 2011
From: HYDRIL LLC
To: HYDRIL COMPANY
Reel/Frame 025599/0988 →