Patent Assignment
Reel/Frame 014885/0931
Security Agreement
Recorded: 2004-01-16
Pages: 9
Assignor
ENLINK GEOENERGY SERVICES, INC.
Executed: 2004-01-13
Assignee
EGS VENTURES, L.P.
12112 TECHNOLOGY BLVD., SUITE 100, AUSTIN, TEXAS, 77084
Covered Properties
(11)
Underground Heat Exchange System
Patent:
5,590,715 →
Application:
08/527,114 →
Underground Heat Exchange System
Patent:
5,758,724 →
Application:
08/779,812 →
Ground Heat Exchange System
Patent:
6,041,862 →
Application:
09/087,705 →
Earth Heat Exchange System
Patent:
6,672,371 →
Application:
09/237,754 →
Energy Transfer Systems
Patent:
6,250,371 →
Application:
09/459,416 →
Energy systems
Patent:
6,276,438 →
Application:
09/585,311 →
Energy Systems
Grout for earth heat exchange systems
Application:
10/119,246 →
Publication:
US 2003/0188666
Earth loop heat exchange methods and systems
Application:
10/161,332 →
Publication:
US 2003/0221870
Power Generation Systems with Earth Heat Transfer
Patent:
6,694,766 →
Application:
10/225,451 →
Earth Loop Installation with Sonic Drilling
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 14, 2002
From: AMERAN, THOMAS R.; JOHNSON, HOWARD E. JR.
To: ENLINK GEOENERGY SERVICES, INC.
Reel/Frame 012471/0842 →
Assignment of Assignor's Interest
Jan 13, 2004
From: JOHNSON, HOWARD E., JR.
To: ENLINK GEOENERGY SEVICES, INC.
Reel/Frame 014904/0743 →
Assignment of Assignor's Interest
Jul 4, 2005
From: JOHNSON, JR., HOWARD E.
To: ENLINK GEOENERGY SEVICES, INC.
Reel/Frame 016463/0339 →