Patent Assignment
Reel/Frame 009396/0243
Assignment of Assignor's Interest
Recorded: 1998-08-25
Pages: 27
Assignor
BG PLC
Executed: 1998-02-20
Assignee
PIPELINE INTEGRITY INTERNATIONAL LIMITED
21 HOLBORN VIADUCT, LONDON, EC1A, UNITED KINGDOM
Covered Properties
(9)
Magnetic Pipeline Inspection Vehicle with Metallic Foil and Bristle Contacts Supporting the Vehicle
Patent:
4,447,777 →
Application:
06/216,499 →
Pipeline Cleaning Equipment
Patent:
4,345,350 →
Application:
06/248,353 →
Internal Geometry Tool
Patent:
4,443,948 →
Application:
06/304,958 →
Pipeline Pig Tracking
Patent:
4,590,799 →
Application:
06/590,764 →
Wheel Probe
Patent:
4,566,332 →
Application:
06/629,480 →
Pipeline Inspection Vehicles
Patent:
4,576,097 →
Application:
06/667,392 →
Fixing a Geographical Reference of a Vehicle Traveling Through a Pipeline
Patent:
4,857,851 →
Application:
06/695,750 →
Inspection of Buried Pipelines
Patent:
4,785,175 →
Application:
07/045,205 →
Towing Swivel for Pipe Inspection or Other Vehicle
Patent:
5,272,986 →
Application:
08/043,983 →
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Mar 27, 1981
From: BURD JOHN F.
To: BRITISH GAS CORPORATION
Reel/Frame 003855/0672 →
Assignment of Assignors Interest.
Apr 20, 1981
From: SHARP MICHAEL R. G.; BRAITHWAITE JOHN C.
To: BRITISH GAS CORPORATION, A BRITISH BODY CORPORATE
Reel/Frame 003848/0685 →
Assignment of Assignors Interest.
Mar 19, 1984
From: BROWN, ROBERT C.; MC INTYRE, JOHN D.
To: BRITISH GAS CORPORATION, A BRITISH CORP.
Reel/Frame 004240/0907 →
Assignment of Assignors Interest.
Sep 6, 1985
From: COLLINGWOOD, JOHN C.
To: BRITISH GAS CORPORATION, A BRITISH BODY CORPORATE
Reel/Frame 004450/0007 →
Assignment of Assignors Interest.
Mar 9, 1988
From: BRITISH GAS CORPORATION
To: BRITISH GAS PLC
Reel/Frame 004859/0891 →
Assignment of Assignors Interest.
Apr 26, 1989
From: ANDERSON, DONALD W.; GREGORY, CHARLES W.
To: BRITISH GAS CORPORATION, A BRITISH BODY CORP.
Reel/Frame 005080/0731 →
Request for Corrected Address of Assignee at Reel 9396,Frame 0243
Sep 13, 1999
From: BG PLC
To: PIPELINE INTEGRITY INTERNATIONAL LIMITED
Reel/Frame 010238/0727 →