Patent Assignment
Reel/Frame 018957/0804
Assignment of Assignor's Interest
Recorded: 2007-03-05
Pages: 3
Assignor
PIETRAS, BERND-GEORG
Executed: 2001-04-23
Assignee
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600, HOUSTON, TEXAS, 77027
Covered Property
(1)
Method and Apparatus for Connecting Tubulars Using a Top Drive
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Jun 8, 2016
From: WEATHERFORD/LAMB, INC.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 038848/0819 →
Termination and Release of Security Interest in United States Patents
Jul 3, 2019
From: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
To: WEATHERFORD/LAMB, INC.
Reel/Frame 049679/0095 →
Confirmatory Grant of Second Lien Security Interest in United States Patents
Jul 3, 2019
From: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 049677/0904 →
Security Interest
Jul 8, 2019
From: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
To: CITIBANK, N.A.
Reel/Frame 049691/0137 →
Assignment of Assignor's Interest
Jul 23, 2019
From: WEATHERFORD/LAMB, INC.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 049827/0769 →
Termination and Release of Second Lien Security Interest in United States Patents Previously Recorded at Reel/Frame (049677/0904)
Dec 13, 2019
From: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 051285/0769 →
Release of Security Interest
Dec 18, 2019
From: CITIBANK, N.A.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 051325/0053 →