IP Library › Assignment 076005/0670
Patent Assignment
Reel/Frame 076005/0670

Release of Security Interest

Recorded: 2026-09-14 Pages: 3
Assignor
PNC BANK, NATIONAL ASSOCIATION
Executed: 2026-09-14
Assignees
AQUATECH INTERNATIONAL CORPORATION
ONE FOUR COINS DRIVE, CANONSBURG, PENNSYLVANIA, 15317
QUA GROUP, LLC
ONE FOUR COINS DRIVE, CANONSBURG, PENNSYLVANIA, 15317
AQUATECH INTERNATIONAL SALES CORPORATION
ONE FOUR COINS DRIVE, CANONSBURG, PENNSYLVANIA, 15317
Covered Properties (22)
Fractional Deionization Process
Patent: 6,896,814 →
Application: 10/325,372 →
Publication: US US20030201235A1
Method and Apparatus for High Efficiency Evaporation Operation
Patent: 8,092,656 →
Application: 10/531,752 →
Publication: US US20080099154A1
Method for Production of High Pressure Steam from Produced Water
Patent: 7,591,309 →
Application: 10/580,812 →
Publication: US US20080110630A1
Method for Preparing an Ion Exchange Media
Patent: 7,163,964 →
Application: 10/687,159 →
Publication: US US20040168968A1
Fractional Deionization Process
Patent: 7,338,600 →
Application: 11/030,926 →
Publication: US US20050121397A1
Method for Preparing an Ion Exchange Media
Patent: 7,705,061 →
Application: 11/636,795 →
Publication: US US20070105965A1
Method for Treatment of High Ph/Silica Brines
Patent: 8,062,530 →
Application: 12/167,481 →
Publication: US US20090008334A1
Preparation of High Performance Ultra Filtration Hollow Fiber Membrane
Patent: 8,104,624 →
Application: 12/481,909 →
Publication: US US20090308805A1
Method for Production of High Purity Distillate from Produced Water for Generation of High Pressure Steam
Patent: 8,469,091 →
Application: 12/851,165 →
Publication: US US20110061867A1
Advanced Filtration Device for Water and Wastewater Treatment
Patent: 8,753,509 →
Application: 13/024,006 →
Publication: US US20110192794A1
Split Flow Edi Apparatus for Treating Second Pass Ro Permeate Water with High Flow Rate
Patent: 9,095,822 →
Application: 13/251,677 →
Publication: US US20120080314A1
Method for Recycling Deoiled Water Using Counterflow Falling-Film Evaporators
Patent: 9,120,685 →
Application: 13/323,083 →
Publication: US US20120145386A1
Preparation of High Performance Ultra Filtration Hollow Fiber Membrane
Patent: 8,424,688 →
Application: 13/354,664 →
Publication: US US20120111790A1
Neutralization and Precipitation of Silica from High pH Brines
Application: 13/561,258 →
Publication: US US20130193077A1
Settling Chamber for Separation of Large, Plugging Particles Upstream of A Hydroclone
Application: 13/745,303 →
Publication: US US20130186576A1
Integrated Polymer and Metal Case Ammunition Manufacturing System and Method
Application: 13/835,352 →
Publication: US US20140260925A1
Method for Production of High Purity Distillate from Produced Water for Generation of High Pressure Steam
Patent: 8,776,879 →
Application: 13/909,639 →
Publication: US US20130269934A1
Low Energy Reverse Osmosis Process
Patent: 8,980,100 →
Application: 13/989,939 →
Publication: US US20140076807A1
Water Treatment Process
Method and Apparatus for Recycling Water
Settling Chamber for Separation of Large, Plugging Particles Upstream of a Hydroclone
Low Energy Reverse Osmosis Process
Related Assignments (25)
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 Jul 21, 2006
From: MINNICH, KEITH R.; NICHOLSON, MARK C.; KARLAPUDI, RAMKUMAR; SCHOEN, RICHARD M.
To: AQUATECH INTERNATIONAL CORPORATION
Reel/Frame 017976/0450 →
Security Agreement Aug 31, 2006
From: AQUATECH INTERNATIONAL CORPORATION
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 018194/0384 →
Assignment of Assignor's Interest Jul 3, 2008
From: SCHOEN, RICHARD M.; TIWARI, CHANDRAKANT
To: AQUATECH INTERNATIONAL CORPORATION
Reel/Frame 021193/0920 →
Assignment of Assignor's Interest Dec 1, 2010
From: BJORKLUND, DANIEL P.; MANDIGO, GREGORY J.; SCHOEN, RICHARD M.; MARLETT, JAMES MICHAEL
To: AQUATECH INTERNATIONAL CORPORATION
Reel/Frame 025414/0720 →
Assignment of Assignor's Interest May 19, 2011
From: CHIDAMBARAN, RAVI; RAINA, PAVAN; DAS, SUGATA; CHANDAN, NITIN
To: AQUATECH INTERNATIONAL CORPORATION
Reel/Frame 026310/0246 →
Assignment of Assignor's Interest Oct 31, 2011
From: CHIDAMBARAN, RAVI; SHARMA, DEVESH; RAINA, PAVAN; DAS, SUGATA
To: AQUATECH INTERNATIONAL CORPORATION
Reel/Frame 027145/0208 →
Assignment of Assignor's Interest Dec 21, 2011
From: BJORKLUND, DANIEL P.; KERSEY, DAVID; MANDIGO, GREGORY J.; TIWARI, CHANDRAKANT
To: AQUATECH INTERNATIONAL CORPORATION
Reel/Frame 027423/0435 →
Assignment of Assignor's Interest Dec 21, 2011
From: CHIDAMBARAN, RAVI; BISHT, NARENDRA SINGH; RAINA, PAVAN
To: AQUATECH INTERNATIONAL CORPORATION
Reel/Frame 027423/0767 →
Assignment of Assignor's Interest Feb 5, 2013
From: CHIDAMBARAN, RAVI; RAINA, PAVAN; BISHT, NARENDRA SINGH
To: AQUATECH INTERNATIONAL CORPORATION
Reel/Frame 029755/0835 →
Assignment of Assignor's Interest May 6, 2013
From: BEACH, GLENN J.; BURKOWSKI, JAMES; CHRISTIANA, AMANDA; DAVEY, TREVOR
To: CYBERNET SYSTEMS CORPORATION
Reel/Frame 030354/0385 →
Assignment of Assignor's Interest Nov 25, 2013
From: CHIDAMBARAN, RAVI
To: AQUATECH INTERNATIONAL CORPORATION
Reel/Frame 031669/0136 →
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 →
Assignment of Assignor's Interest Mar 29, 2016
From: CHIDAMBARAN, RAVI; RAINA, PAVAN; SHARMA, DEVESH; BIST, NARENDRA
To: AQUATECH INTERNATIONAL CORPORATION
Reel/Frame 038125/0168 →
Assignment of Assignor's Interest Apr 7, 2016
From: CHIDAMBARAN, RAVI; RAINA, PAVAN; SHARMA, DEVESH
To: AQUATECH INTERNATIONAL CORPORATION
Reel/Frame 038221/0453 →
Assignment of Assignor's Interest Apr 7, 2016
From: BJORKLUND, DANIEL P.; MANDIGO, GREGORY J.; SCHOEN, RICHARD M.; MARLETT, JAMES MICHAEL
To: AQUATECH INTERNATIONAL CORPORATION
Reel/Frame 038221/0131 →
Assignment of Assignor's Interest Apr 7, 2016
From: CHIDAMBARAN, RAVI; SHARMA, DEVESH; RAINA, PAVAN; DAS, SUGATA
To: AQUATECH INTERNATIONAL CORPORATION
Reel/Frame 038220/0961 →
Change of Name Jan 17, 2017
From: AQUATECH INTERNATIONAL CORPORATION
To: AQUATECH INTERNATIONAL, LLC
Reel/Frame 041379/0910 →
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 →
Security Interest Apr 22, 2026
From: AQUATECH INTERNATIONAL, LLC
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 074440/0984 →
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 →