Patent Assignment
Reel/Frame 030589/0192
Assignment of Assignor's Interest
Recorded: 2013-06-11
Pages: 2
Assignor
MILLER, MARK
Executed: 2013-06-07
Assignee
SHAREWELL ENERGY SERVICES, LLC
15151 SOMMERMEYER STREET, HOUSTON, TEXAS, 77041
Covered Property
(1)
Isolation Ring on Gap Sub
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 11, 2013
From: MACDONALD, CRAIG
To: SHAREWELL ENERGY SERVICES, LLC
Reel/Frame 030589/0273 →
Assignment of Assignor's Interest
Jun 11, 2013
From: DOAN, MICHAEL
To: SHAREWELL ENERGY SERVICES, LLC
Reel/Frame 030589/0337 →
Assignment of Assignor's Interest
Sep 12, 2014
From: SHAREWELL ENERGY SERVICES LLC
To: GE ENERGY OIL FIELD TECHNOLOGY INC.
Reel/Frame 033728/0272 →
Assignment of Assignor's Interest
May 12, 2019
From: GE ENERGY OILFIELD TECHNOLOGY, INC.
To: PRIME DOWNHOLE MANUFACTURING LLC
Reel/Frame 049151/0060 →
Security Interest
Sep 2, 2022
From: BLACK DIAMOND OILFIELD RENTALS LLC
To: CALLODINE COMMERCIAL FINANCE, LLC, AS ADMINISTRATIVE AGENT
Reel/Frame 061372/0012 →
Security Interest
Oct 10, 2022
From: BLACK DIAMOND OILFIELD RENTALS LLC
To: CALLODINE COMMERCIAL FINANCE, LLC, AS ADMINISTRATIVE AGENT
Reel/Frame 061629/0891 →
Security Interest
Jun 26, 2026
From: CALLODINE COMMERCIAL FINANCE, LLC, AS ADMINISTRATIVE AGENT
To: CALLODINE CREDIT MANAGEMENT, LLC, AS ADMINISTRATIVE AGENT
Reel/Frame 075831/0954 →