Patent Assignment
Reel/Frame 064010/0247
Assignment of Assignor's Interest
Recorded: 2023-06-21
Pages: 2
Assignor
DUBOSE, WILLIAM HENRY
Executed: 2020-02-26
Assignee
ULTERRA DRILLING TECHNOLOGIES, L.P.
201 MAIN STREET, SUITE 1660, FORT WORTH, TEXAS, 76102
Covered Property
(1)
Cutting Tool
Patent:
914,070 →
Application:
29/723,822 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Apr 15, 2020
From: ULTERRA DRILLING TECHNOLOGIES, L.P.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 052408/0252 →
Security Interest
Jun 8, 2022
From: APERGY BMCS ACQUISITION CORP.; APERGY ESP SYSTEMS, LLC; CHAMPIONX USA INC.; HARBISON-FISCHER, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 060313/0456 →
Assignment of Assignor's Interest
Jun 21, 2023
From: CRISWELL, JOSH
To: ULTERRA DRILLING TECHNOLOGIES, L.P.
Reel/Frame 064010/0295 →
Release of Security Interest in Patents
Jul 17, 2025
From: JPMORGAN CHASE BANK, N.A.
To: CHAMPIONX LLC; APERGY ESP SYSTEMS, LLC; APERGY BMCS ACQUISITION CORP; HARBISON-FISCHER, INC.
Reel/Frame 072004/0019 →
Security Interest
Jul 18, 2025
From: US SYNTHETIC CORPORATION
To: KEYBANK NATIONAL ASSOCIATION
Reel/Frame 074973/0089 →