Patent Assignment
Reel/Frame 042902/0622
Assignment of Assignor's Interest
Recorded: 2017-07-05
Pages: 4
Assignor
TOMKINS, KENNETH
Executed: 2015-01-14
Assignee
SONDEX WIRELINE LIMITED
RANGE ROAD, CODY TECHNOLOGY PARK, FARNBOROUGH, HAMPSHIRE, GU14 0FG, GREAT BRITAIN
Covered Property
(1)
Sensitive Dc Current Imbalance Detector and Calibration Method
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 12, 2019
From: SONDEX LIMITED; SONDEX WIRELINE LIMITED
To: GE ENERGY OILFIELD TECHNOLOGY, INC.
Reel/Frame 049151/0054 →
Assignment of Assignor's Interest
May 12, 2019
From: GE ENERGY OILFIELD TECHNOLOGY, INC.
To: PRIME DOWNHOLE MANUFACTURING LLC
Reel/Frame 049151/0079 →
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 →