Patent Assignment
Reel/Frame 008244/0317
Assignment of Assignor's Interest
Recorded: 1996-09-26
Pages: 2
Assignee
ONSITE TECHNOLOGY, L.L.C.
8 EAST THIRD ST., TULSA, OKLAHOMA, 74103
Covered Property
(1)
Separation of Hydrocarbons/Water/Emulsifier Mixtures
Patent:
5,736,031 →
Application:
08/719,681 →
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Dec 29, 1997
From: ENVIRONMENTAL SAFEGUARDS, INC.; NATIONAL FUEL & ENERGY, INC.; ONSITE TECHNOLOGY, L.L.C.
To: CAHILL, WARNOCK STRATEGIC PARTNERS FUND, L.P. (LIMITED PARTNERSHIP OF DELAWARE)
Reel/Frame 008975/0592 →
Assignment of Assignor's Interest
Nov 30, 2007
From: ONSITE TECHNOLOGY, LLC
To: DURATHERM, INC.
Reel/Frame 020174/0476 →
Security Agreement
Apr 25, 2008
From: DURATHERM ASSET ACQUISITION CORP.
To: HSH NORDBANK AG, NEW YORK BRANCH
Reel/Frame 020859/0027 →
Release of Security Interest
Jan 3, 2011
From: HSH NORDBANK AG, NEW YORK BRANCH
To: DURATHERM, INC.
Reel/Frame 025571/0993 →
Security Agreement
Jan 12, 2011
From: DURATHERM, INC.
To: THE FROST NATIONAL BANK
Reel/Frame 025622/0437 →
Release of Security Interest
Aug 16, 2011
From: THE FROST NATIONAL BANK
To: DURATHERM, INC.
Reel/Frame 026757/0608 →
Security Agreement
Sep 2, 2011
From: DURATHERM, INC.
To: BANK OF AMERICA, N.A.
Reel/Frame 026855/0584 →
Release of Security Interest
Nov 4, 2016
From: BANK OF AMERICA, N.A.
To: CLEAN HARBORS SAN LEON, INC. (FORMERLY KNOWN AS DURATHERM, INC.)
Reel/Frame 040225/0346 →