Patent Assignment
Reel/Frame 018194/0384
Security Agreement
Recorded: 2006-08-31
Pages: 13
Assignor
AQUATECH INTERNATIONAL CORPORATION
Executed: 2006-06-16
Assignee
PNC BANK, NATIONAL ASSOCIATION
ONE PNC PLAZA, 249 FIFTH STREET, PITTSBURGH, PENNSYLVANIA, 15222
Covered Properties
(4)
Method and Apapratus for High Efficiency Evaporation Operation
PCT:
PCT/US2003/033066 ↗
Fractional Deionization Process
Method for Preparing an Ion Exchange Media
Method for production of high pressure steam from produced water with zero liquid discharge
Application:
60/525,578 →
Related Assignments
(9)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 2, 2004
From: CHIDAMBARAN, RAVI; RAINA, PAVAN; SHARMA, DEVESH; BIST, NARENDRA
To: AQUATECH INTERNATIONAL CORPORATION
Reel/Frame 014814/0138 →
Assignment of Assignor's Interest
Jul 28, 2004
From: CHIDAMBARAN, RAVI; RAINA, PAVAN; SHARMA, DEVESH
To: AQUATECH INTERNATIONAL CORPORATION
Reel/Frame 014906/0874 →
Assignment of Assignor's Interest
May 4, 2005
From: MINNICH, KEITH R.; KARLAPUDI, RAMKUMAR; SCHOEN, RICHARD M.
To: AQUATECH INTERNATIONAL CORPORATION
Reel/Frame 015981/0846 →
Acknowledgement of Security Interest in Patents
Mar 12, 2014
From: AQUATECH INTERNATIONAL CORPORATION; QUA GROUP, LLC; AQUATECH INTERNATIONAL SALES CORPORATION
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 032438/0071 →
Acknowledgement of Security Interest in Patents
Jul 10, 2015
From: AQUATECH INTERNATIONAL CORPORATION; QUA GROUP, LLC; AQUATECH INTERNATIONAL SALES CORPORATION
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 036089/0047 →
Amended and Restated Patent, Trademark and Copyright Security Agreement
Jan 17, 2017
From: AQUATECH INTERNATIONAL, LLC; QUA GROUP, LLC; AQUATECH INTERNATIONAL SALES CORPORATION; AQUATECH ENERGY SERVICES, LLC
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 041380/0058 →
Change of Name
Jun 30, 2017
From: AQUATECH INTERNATIONAL CORPORATION
To: AQUATECH INTERNATIONAL, LLC
Reel/Frame 043072/0139 →
Second Amended and Restated Patent, Trademark and Copyright Security Agreement
Mar 25, 2021
From: AQUATECH INTERNATIONAL, LLC; QUA GROUP, LLC; AQUATECH INTERNATIONAL SALES CORPORATION; AQUATECH ENERGY SERVICES, LLC
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 055736/0491 →
Release of Security Interest
May 1, 2026
From: PNC BANK, NATIONAL ASSOCIATION
To: AQUATECH INTERNATIONAL CORPORATION; QUA GROUP, LLC; AQUATECH INTERNATIONAL SALES CORPORATION; AQUATECH INTERNATIONAL, LLC
Reel/Frame 075312/0234 →