Patent Assignment
Reel/Frame 025225/0643
Sumitomo Metal Industries, Ltd. Assigns 50% to Vallourec Mannesmann Oil & Gas, France
Recorded: 2010-11-01
Pages: 2
Assignor
SUMITOMO METAL INDUSTRIES, LTD.
Executed: 2010-10-01
Assignee
VALLOUREC MANNESMANN OIL & GAS, FRANCE
54 RUE ANATOLE FRANCE, AULNOYE-AYMERIES, 59620, FRANCE
Covered Property
(1)
Threaded Joint for Steel Pipes Having Improved Galling Resistance and Rust-Preventing Properties
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Apr 25, 2014
From: VALLOUREC MANNESMANN OIL & GAS FRANCE
To: VALLOUREC OIL AND GAS FRANCE
Reel/Frame 032753/0743 →
Merger
May 14, 2019
From: SUMITOMO METAL INDUSTRIES, LTD.
To: NIPPON STEEL & SUMITOMO METAL CORPORATION
Reel/Frame 049165/0517 →
Change of Name
May 14, 2019
From: NIPPON STEEL & SUMITOMO METAL CORPORATION
To: NIPPON STEEL CORPORATION
Reel/Frame 049257/0828 →