Patent Assignment
Reel/Frame 046659/0177
Assignment of Assignor's Interest
Recorded: 2018-08-22
Pages: 5
Assignors
STEPHENS, DAVID L.
Executed: 2000-12-01
VERRET, GERALD G.
Executed: 2000-12-01
LALANCETTE, RICHARD U.
Executed: 2000-12-01
Assignee
UNIMIN CORPORATION
PETERBOROUGH 13-637, THE QUEENS WAY, PETERBOROUGH, ONTARIO, K9J 7J6, CANADA
Covered Property
(1)
Static Two Stage Air Classifier
Patent:
7,104,403 →
Application:
10/230,323 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Aug 27, 2018
From: COVIA HOLDINGS CORPORATION; FAIMOUNT SANTROL INC.; TECHNISAND, INC.; SELF-SUSPENDING PROPPANT LLC
To: BARCLAYS BANK PLC, AS COLLATERAL AGENT
Reel/Frame 047320/0483 →
Change of Name
Aug 30, 2018
From: UNIMIN CORPORATION
To: COVIA HOLDINGS CORPORATION
Reel/Frame 046980/0676 →
Security Interest
Oct 19, 2020
From: BARCLAYS BANK PLC
To: WILMINGTON SAVINGS FUND SOCIETY, FSB
Reel/Frame 054113/0352 →
Release of Security Interest
Jan 1, 2021
From: WILMINGTON SAVINGS FUND SOCIETY, FSB
To: COVIA HOLDINGS LLC (FORMERLY COVIA HOLDINGS CORPORATION)
Reel/Frame 054886/0318 →
Security Interest
Jan 29, 2021
From: COVIA HOLDINGS LLC (FORMERLY COVIA HOLDINGS CORPORATION)
To: WILMINGTON SAVINGS FUND SOCIETY, FSB
Reel/Frame 055173/0660 →
Security Interest
Dec 27, 2021
From: COVIA SOLUTIONS INC.; COVIA HOLDINGS LLC
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 058581/0517 →
Release of Security Interest
Feb 26, 2025
From: PNC BANK, NATIONAL ASSOCIATION
To: COVIA SOLUTIONS INC.; COVIA HOLDINGS LLC
Reel/Frame 070343/0973 →