Patent Assignment
Reel/Frame 032195/0025
Assignment of Assignor's Interest
Recorded: 2014-02-11
Pages: 2
Assignor
MACDONALD, CRAIG
Executed: 2014-02-04
Assignee
SHAREWELL ENERGY SERVICES, LLC
15151 SOMMERMEYER STREET, HOUSTON, TEXAS, 77041
Covered Property
(1)
Composite Isolation Joint for Gap Sub or Internal Gap
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 11, 2014
From: MILLER, MARK
To: SHAREWELL ENERGY SERVICES, LLC
Reel/Frame 032195/0212 →
Assignment of Assignor's Interest
Apr 24, 2015
From: SHAREWELL ENERGY SERVICES, LLC
To: GE ENERGY OIL FIELD TECHNOLOGY, INC
Reel/Frame 035486/0229 →
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 →