Covered Property (1)

Related Assignments (13)

Other recorded transfers of the patent in this record — the chain of ownership.

Merger Jul 30, 2010

From: SANTROL, INC.

To: TECHNISAND, INC.

Reel/Frame 024755/0845 →

Patent Security Agreement Aug 9, 2010

From: TECHNISAND, INC.

To: BARCLAYS BANK PLC, AS COLLATERAL AGENT

Reel/Frame 024804/0924 →

Release of Security Interest in Patents Filed at R/F 024804/0924 Nov 1, 2017

From: BARCLAYS BANK PLC

To: TECHNISAND, INC.

Reel/Frame 044348/0332 →

Security Interest Nov 2, 2017

From: TECHNISAND, INC.

To: BARCLAYS BANK PLC

Reel/Frame 044014/0676 →

Security Interest Nov 6, 2017

From: FAIRMOUNT SANTROL INC.; SELF-SUSPENDING PROPPANT LLC; TECHNISAND, INC.

To: PNC BANK, NATIONAL ASSOCIATION

Reel/Frame 044040/0380 →

Release of Security Interest Jun 9, 2018

From: BARCLAYS BANK PLC

To: TECHNISAND, INC.

Reel/Frame 046036/0602 →

Release of Security Interest Jun 9, 2018

From: PNC BANK, NATIONAL ASSOCIATION

To: TECHNISAND, INC.

Reel/Frame 046036/0711 →

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 →

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 →