Patent Assignment
Reel/Frame 045735/0598
Assignment of Assignor's Interest
Recorded: 2018-05-07
Pages: 5
Assignee
DOVER BMCS ACQUISITION CORPORATION
1260 SOUTH 1600 WEST, OREM, UTAH, 84058
Covered Property
(1)
Rotational Drill Bits and Drilling Apparatuses Including the Same
Related Assignments
(9)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 25, 2018
From: DOVER BMCS ACQUISITION CORPORATION
To: APERGY BMCS ACQUISITION CORPORATION
Reel/Frame 047303/0956 →
Security Agreement
Nov 6, 2019
From: APERGY ESP SYSTEMS, LLC; APERGY BMCS ACQUISITION CORP.; PCS FERGUSON, INC.; QUARTZDYNE, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 050941/0695 →
Security Interest
Jun 5, 2020
From: ACE DOWNHOLE, LLC; APERGY BMCS ACQUISITION CORP.; HARBISON-FISCHER, INC.; NORRIS RODS, INC.
To: BANK OF AMERICA, N.A.
Reel/Frame 053790/0001 →
Release of Security Interest
Jun 7, 2022
From: BANK OF AMERICA, N.A.
To: ACE DOWNHOLE, LLC; HARBISON-FISCHER, INC.; NORRIS RODS, INC.; PCS FERGUSON, INC.
Reel/Frame 060305/0001 →
Merger and Change of Name
Feb 9, 2023
From: APERGY BMCS ACQUISITION CORP.; US SYNTHETIC CORPORATION
To: US SYNTHETIC CORPORATION
Reel/Frame 062643/0885 →
Change of Name
Feb 10, 2023
From: DOVER BMCS ACQUISITION CORP.
To: APERGY BMCS ACQUISITION CORP.
Reel/Frame 062702/0724 →
Merger and Change of Name
Feb 10, 2023
From: APERGY BMCS ACQUISITION CORP.; US SYNTHETIC CORPORATION
To: US SYNTHETIC CORPORATION
Reel/Frame 062649/0619 →
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 →