Patent Assignment
Reel/Frame 074580/0429
Release of Security Interest
Recorded: 2026-05-06
Pages: 10
Assignor
DANSKE BANK A/S
Executed: 2026-05-06
Assignee
TGS-NOPEC GEOPHYSICAL COMPANY
10451 CLAY ROAD, HOUSTON, TEXAS, 77043
Covered Properties
(32)
Marine Seismic Surveying in Icy or Obstructed Waters
Annihilator Based Wave Inversion
Declination Compensation for Seismic Survey
Marine Seismic Surveying with Towed Components Below Water's Surface
Integrated Passive and Active Seismic Surveying Using Multiple Arrays
Marine Seismic Surveying with Towed Components Below Water Surface
Methods and Systems for Conducting Reconnaissance Marine Seismic Surveys
Marine Seismic Surveying in Icy or Obstructed Waters
Seismic Data Acquisition with Varying Relative Distance Between Multiple Seismic Vessels
Marine Seismic Surveying with Towed Components Below Water's Surface
Noise Removal in Non-Uniformly Spaced Seismic Receiver Arrays
Arctic Seismic Surveying Operations
Real-Time Infill in Marine Seismic Surveys Using an Independent Seismic Source
Integrated Passive and Active Seismic Surveying Using Multiple Arrays
Sensor System of Buried Seismic Array
Dynamic Gain Adjustments in Seismic Surveys
Plant Processing System
Patent:
10,524,423 →
Application:
16/279,445 →
Marine Seismic Surveying in Icy or Obstructed Waters
Method and Apparatus for Seismic Noise Reduction
Methods and Systems for Using Known Source Events in Seismic Data Processing
Marine Seismic Surveying with Towed Components Below Water's Surface
Traveling Ocean Bottom Seismic Survey
Multi-Axis, Single Mass Accelerometer
System and Method for Reconstructed Wavefield Inversion
Reconnaissance Marine Seismic Surveys Having Reduced Density of Sail Lines
Seismic Data Acquisition with Varying Distance Between Seismic Vessels
System and Method for Reconstructed Wavefield Imaging
Amplitude Compensation of Reverse Time Migration (Rtm) Gathers for Avo/Ava Analysis
Multi-Axis, Single Mass Accelerometer
Marine Vessel for Seismic Sources
Multi-Axis, Single Mass Accelerometer
Ocean Bottom Seismic Systems
Related Assignments
(24)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 8, 2010
From: GAGLIARDI, JOSEPH R.; RICE, SHAWN; SCHNEIDER, CURT; CUNKELMAN, JEFFREY W.
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 024047/0150 →
Assignment of Assignor's Interest
Jun 30, 2010
From: VASCONCELOS, IVAN
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 024615/0088 →
Assignment of Assignor's Interest
Nov 7, 2011
From: ROBERTS, PHILLIP; FISCHER, ROBERT; ZINN, NOEL; SCHNEIDER, CURT
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 027183/0762 →
Assignment of Assignor's Interest
Mar 11, 2013
From: GAGLIARDI, JOSEPH R.; RICE, SHAWN; DUDLEY, TIMOTHY A.; SCHNEIDER, CURT
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 029963/0986 →
Assignment of Assignor's Interest
May 6, 2013
From: HOFLAND, GREGG S.; LEVEILLE, JACQUES P.; KAHN, DANIEL S.; FABER, KEES
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 030357/0964 →
Assignment of Assignor's Interest
May 6, 2013
From: HOFLAND, GREGG S.; LEVEILLE, JACQUES P.; KAHN, DANIEL S.; FABER, KEES
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 030357/0855 →
Assignment of Assignor's Interest
Jul 24, 2014
From: SCHNEIDER, CURT; DUDLEY, TIMOTHY A.
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 033383/0516 →
Assignment of Assignor's Interest
Jul 24, 2014
From: SCHNEIDER, CURT; DUDLEY, TIMOTHY A.
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 033383/0441 →
Security Agreement
Aug 22, 2014
From: ION GEOPHYSICAL CORPORATION; I/O MARINE SYSTEMS, INC.; GX TECHNOLOGY CORPORATION; ION EXPLORATION PRODUCTS (U.S.A.), INC.
To: PNC BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 033598/0088 →
Security Agreement
Nov 4, 2014
From: ION GEOPHYSICAL CORPORATION; I/O MARINE SYSTEMS, INC.; GX TECHNOLOGY CORPORATION; ION EXPLORATION PRODUCTS (U.S.A.), INC.
To: U. S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 034181/0779 →
Assignment of Assignor's Interest
Nov 3, 2015
From: BROOKES, DAVID; BERNITSAS, NIKOLAOS; FARMER, PAUL
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 036946/0283 →
Assignment of Assignor's Interest
Jan 25, 2016
From: FABER, KEES; LAROO, RICK
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 037576/0053 →
Assignment of Assignor's Interest
Dec 19, 2016
From: GAGLIARDI, JOSEPH R.; RICE, SHAWN; SCHNEIDER, CURT; DUDLEY, TIM
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 040674/0171 →
Assignment of Assignor's Interest
Feb 10, 2017
From: GAGLIARDI, JOSEPH; RICE, SHAWN; SCHNEIDER, CURT; CUNKELMAN, JEFFREY W.
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 041230/0023 →
Assignment of Assignor's Interest
Mar 17, 2017
From: LEVEILLE, JACQUES PIERRE; BRETTWOOD, PAUL; MEREDITH, JEFFREY ALAN
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 041609/0216 →
Assignment of Assignor's Interest
Apr 4, 2017
From: BERNITSAS, NIKOLAOS; CALDERON, CARLOS; RIDYARD, DAVID; BROOKES, DAVID JAMES
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 041849/0371 →
Assignment of Assignor's Interest
Apr 11, 2017
From: BERNITSAS, NIKOLAOS; BROOKES, DAVID JAMES; RIDYARD, DAVID; ALLINSON, DOUGLAS F.
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 041960/0243 →
Assignment of Assignor's Interest
Dec 6, 2017
From: CUNKELMAN, JEFFREY W
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 044318/0139 →
Assignment of Assignor's Interest
Feb 19, 2019
From: OLSON, ROY; TRACY, JOSHUA; PEARSON, ALEX
To: PEARSON INCORPORATED
Reel/Frame 048373/0091 →
Assignment of Assignor's Interest
Nov 12, 2019
From: PEARSON INCORPORATED
To: HEMP PROCESSING SOLUTIONS, LLC
Reel/Frame 050980/0627 →
Assignment of Assignor's Interest
Sep 27, 2022
From: ION GEOPHYSICAL CORPORATION; GX TECHNOLOGY CORPORATION; GX GEOSCIENCE CORPORATION S. DE R.L. DE C.V.; GX TECHNOLOGY IMAGING SERVICES LIMITED
To: TGS-NOPEC GEOPHYSICAL COMPANY
Reel/Frame 061228/0057 →
Assignment of Assignor's Interest
Aug 3, 2023
From: WILMINGTON SAVINGS FUND SOCIETY, FSP, SOLELY IN ITS CAPACITY AS PLAN ADMINISTRATOR FOR ION GEOPHYSICAL CORPORATION
To: TGS-NOPEC GEOPHYSICAL COMPANY
Reel/Frame 064489/0868 →
Security Interest
Jun 3, 2024
From: TGS-NOPEC GEOPHYSICAL COMPANY
To: DANSKE BANK A/S
Reel/Frame 067600/0001 →
Security Interest
Jun 18, 2026
From: TGS-NOPEC GEOPHYSICAL COMPANY
To: KROLL TRUSTEE SERVICES LIMITED
Reel/Frame 075007/0464 →