IP Library Assignment 023913/0273
Patent Assignment
Reel/Frame 023913/0273

Assignment of Assignor's Interest

Recorded: 2010-02-09 Pages: 4
Assignors
DIETZ, DAVID A., JR.
Executed: 2010-01-22
LANDTHRIP, JOHN G.
Executed: 2010-01-25
Assignee
HYDRIL USA MANUFACTURING LLC
3300 NORTH SAM HOUSTON PARKWAY E., HOUSTON, TEXAS, 77032-3411
Covered Property (1)
Ram Blowout Preventer Stroke Limiting and Method
Patent: 8,225,879 →
Application: 12/625,792 →
Publication: US 2011/0120734
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 1, 2021
From: GENERAL ELECTRIC COMPANY
To: BAKER HUGHES, A GE COMPANY, LLC
Reel/Frame 056442/0072 →
Assignment of Assignor's Interest Jul 13, 2021
From: GENERAL ELECTRIC COMPANY
To: BAKER HUGHES, A GE COMPANY, LLC
Reel/Frame 056846/0372 →
Change of Name Sep 27, 2021
From: HYDRIL USA MANUFACTURING LLC
To: HYDRIL USA DISTRIBUTION LLC
Reel/Frame 057608/0915 →