Patent Assignment
Reel/Frame 018744/0927
Assignment of Assignor's Interest
Recorded: 2007-01-11
Pages: 4
Assignors
JUDGE, ROBERT ARNOLD
Executed: 2006-12-12
HARIHARAN, PERINGANDOOR RAMAN
Executed: 2006-12-20
Assignee
HYDRIL COMPANY LP
3300 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032
Covered Property
(1)
Pressure Driven Pumping System
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Mar 28, 2008
From: HYDRIL COMPANY LP
To: HYDRIL GENERAL LLC
Reel/Frame 020710/0717 →
Change of Name
Mar 28, 2008
From: HDRYIL GENERAL LLC
To: HYDRIL LLC
Reel/Frame 020710/0950 →
Assignment of Assignor's Interest
Jun 5, 2008
From: HYDRIL LLC
To: HYDRIL USA MANUFACTURING LLC
Reel/Frame 021050/0491 →