Patent Assignment
Reel/Frame 010238/0727
Request for Corrected Address of Assignee at Reel 9396,Frame 0243
Recorded: 1999-09-13
Pages: 28
Assignor
BG PLC
Executed: 1998-02-20
Assignee
PIPELINE INTEGRITY INTERNATIONAL LIMITED
ATLEY WAY NORTH NELSON INDUSTRIAL ESTATE, CRAMLINGTON NORTHUMBERLAND, NE23 9WW, 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 →
Assignment of Assignor's Interest
Aug 25, 1998
From: BG PLC
To: PIPELINE INTEGRITY INTERNATIONAL LIMITED
Reel/Frame 009396/0243 →