Patent Assignment
Reel/Frame 054407/0442
Assignment of Assignor's Interest
Recorded: 2020-11-18
Pages: 7
Assignors
DUBOSE, WILLIAM HENRY
Executed: 2019-07-23
WALTERS, BRADY
Executed: 2019-08-26
CASAD, CHRISTOPHER M.
Executed: 2019-07-19
CRISWELL, JOSH
Executed: 2019-07-19
Assignee
ULTERRA DRILLING TECHNOLOGIES, L.P.
201 MAIN STREET, SUITE 1660, FORT WORTH, TEXAS, 76102
Covered Property
(1)
Shaped Cutters
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 9, 2019
From: TOPHAM, GREG; DUNAWAY, TYLER
To: US SYNTHETIC CORPORATION
Reel/Frame 050315/0484 →
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 →
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 →