Patent Assignment
Reel/Frame 023065/0821
Security Agreement
Recorded: 2009-08-10
Pages: 8
Assignor
TDE THORNHAUSER DATA ENGINEERING GMBH
Executed: 2009-08-10
Assignee
MAIDLA, ERIC E.
3318 SPRING TRAIL DRIVE, SUGAR LAND, TEXAS, 77479
Covered Properties
(2)
Automated Method and System for Determining the State of Well Operations and Performing Process Evaluation
Automated Method and System for Recognizing Well Control Events
Related Assignments
(9)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 5, 2002
From: NIEDERMAYR, MICHAEL (NMI); PINCKARD, MITCHELL D.; GLASER, GERHARD P.
To: NOBLE DRILLING SERVICES INC.
Reel/Frame 013164/0050 →
Assignment of Assignor's Interest
Nov 14, 2002
From: NIEDERMAYR, MICHAEL (NMI); PINCKARD, MITCHELL D.; GLASER, GERHARD P.; DE SOUSA, JOAO TADEU VIDAL
To: NOBLE DRILLING SERVICES INC.
Reel/Frame 013495/0537 →
Assignment of Assignor's Interest
Aug 10, 2009
From: NEXEN DATA SOLUTIONS, INC.
To: TDE THORNHAUSER DATA ENGINEERING GMBH
Reel/Frame 023065/0811 →
Assignment of Assignor's Interest
Aug 10, 2009
From: NOBLE DRILLING SERVICES INC.
To: NEXEN DATA SOLUTIONS, INC.
Reel/Frame 023065/0800 →
Assignment of Assignor's Interest
Feb 23, 2010
From: NEXEN DATA SOLUTIONS, INC.
To: TDE THORNHAUSER DATA ENGINEERING GMBH
Reel/Frame 023973/0129 →
Assignment of Assignor's Interest
Feb 23, 2010
From: NOBLE DRILLING SERVICES INC.
To: NEXEN DATA SOLUTIONS, INC.
Reel/Frame 023973/0065 →
Corrective Assignment to Correct the Name of the Assignee Previously Recorded on Reel 023065 Frame 0811. Assignor(S) Hereby Confirms the Correct Name of the Assignee Is Tde Thonhauser Data Engineering Gmbh.
Aug 10, 2010
From: NEXEN DATA SOLUTIONS, INC.
To: TDE THONHAUSER DATA ENGINEERING GMBH
Reel/Frame 024812/0585 →
Release of Lien
Aug 10, 2010
From: MAIDLA, ERIC E.
To: TDE THONHAUSER DATA ENGINEERING GMBH
Reel/Frame 024812/0582 →
Assignment of Assignor's Interest
Mar 6, 2015
From: TDE THONHAUSER DATA ENGINEERING GMBH
To: TDE PETROLEUM DATA SOLUTIONS, INC.
Reel/Frame 035136/0556 →