Patent Assignment
Reel/Frame 027351/0197
Change of Name
Recorded: 2011-12-08
Pages: 3
Assignor
OFFSHORE HYDROCARBON MAPPING PLC
Executed: 2011-08-02
Assignee
ROCK SOLID IMAGES PLC
30 AYLESBURY STREET, LONDON, EC1R 0ER, UNITED KINGDOM
Covered Properties
(7)
Electromagnetic Surveying for Hydrocarbon Reservoirs
Electromagnetic Surveying for Resistive or Conductive Bodies
Electromagnetic Surveying for Hydrocarbon Reservoirs
Electromagnetic Surveying for Resistive or Conductive Bodies
Electromagnetic Surveying for Hydrocarbon Reservoirs
Electromagnetic Surveying for Hydrocarbon Reservoirs
Method for Monitoring an Area Containing a Subterranean Resistive or Conductive Body, and for Obtaining a Volume of Hydrocarbon Therefrom
Related Assignments
(8)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 14, 2005
From: TOMPKINS, MICHAEL
To: OHM LIMITED
Reel/Frame 015900/0975 →
Assignment of Assignor's Interest
Apr 21, 2006
From: ANDREIS, DAVID
To: OHM LIMITED
Reel/Frame 017509/0041 →
Assignment of Assignor's Interest
Sep 22, 2006
From: MACGREGOR, LUCY M.; SINHA, MARTIN C.; WEAVER, RICHARD
To: OHM LIMITED
Reel/Frame 018288/0919 →
Assignment of Assignor's Interest
Jan 18, 2007
From: MACGREGOR, LUCY M.; ANDREIS, DAVID; TOMPKINS, MICHAEL
To: OHM LIMITED
Reel/Frame 018772/0972 →
Assignment of Assignor's Interest
Apr 14, 2011
From: OHM LIMITED
To: OFFSHORE HYDROCARBON MAPPING PLC
Reel/Frame 026124/0866 →
Assignment of Assignor's Interest
Jun 4, 2015
From: ROCK SOLID IMAGES PLC
To: ROCK SOLID IMAGES, INC.
Reel/Frame 035783/0345 →
Assignment of Assignor's Interest
Apr 8, 2020
From: SLLP 206 LIMITED
To: PGS GEOPHYSICAL AS
Reel/Frame 052349/0588 →
Deed of Confirmation and Clarification
Apr 8, 2020
From: ROCK SOLID IMAGES, INC.; ROCK SOLID IMAGES US GROUP, INC.
To: SLLP 206 LIMITED
Reel/Frame 052351/0174 →