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The National Grid Company PLC
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London, GB
Ticker Symbols
NYSE:NGG
NATURAL GAS TRANSMISSION
Business Address
1-3 STRAND LONDON X0 WC2N 5EH (44) 207 004 3220
Mailing Address
1-3 STRAND LONDON X0 WC2N 5EH
State Location
X0
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Patents Grants
last 30 patents
Information
Patent Grant
Detection of liquids
Patent number
6,717,658
Issue date
Apr 6, 2004
Cranfield University
Selwayan Saini
G01 - MEASURING TESTING
Information
Patent Grant
Electrical changeover switching
Patent number
5,604,424
Issue date
Feb 18, 1997
The National Grid Company PLC
Roger Shuttleworth
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Determining the volume of gases in transformer cooling oil
Patent number
5,243,848
Issue date
Sep 14, 1993
The National Grid Company PLC
Brian M. Cox
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
88162323 - GRID FOR GOOD
Serial number
88162323
Registration number
6329257
Filing date
Oct 19, 2018
National Grid plc
35 - Advertising
Information
Trademark
88063082 - NATIONAL GRID
Serial number
88063082
Registration number
5877540
Filing date
Aug 2, 2018
National Grid plc
4 - Industrial oils and greases
Information
Trademark
75797761 - NATIONAL GRID
Serial number
75797761
Registration number
2616246
Filing date
Sep 13, 1999
National Grid Company plc, The
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
75797718 - NATIONAL GRID
Serial number
75797718
Registration number
2659972
Filing date
Sep 13, 1999
National Grid Company plc, The
37 - Building construction
Information
Trademark
75797740 - NATIONAL GRID
Serial number
75797740
Registration number
2629715
Filing date
Sep 13, 1999
National Grid Company plc, The
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75797742 - NATIONAL GRID
Serial number
75797742
Registration number
2619347
Filing date
Sep 13, 1999
National Grid Company plc, The
37 - Building construction
Information
Trademark
75797743 - NATIONAL GRID
Serial number
75797743
Registration number
2611203
Filing date
Sep 13, 1999
National Grid Company plc, The
39 - Transport
Information
Trademark
75797760 - NATIONAL GRID
Serial number
75797760
Filing date
Sep 13, 1999
National Grid Company plc, The
40 - Treatment of materials
Information
Trademark
75797787 - NATIONAL GRID
Serial number
75797787
Registration number
2383090
Filing date
Sep 13, 1999
National Grid Company plc, The
36 - Insurance
Information
Trademark
75797789 - NATIONAL GRID
Serial number
75797789
Registration number
2613098
Filing date
Sep 13, 1999
National Grid Company plc, The
38 - Telecommunications
Information
Trademark
75797783 - NATIONAL GRID
Serial number
75797783
Registration number
2385471
Filing date
Sep 13, 1999
National Grid Company plc, The
35 - Advertising
Information
Trademark
75797775 - NATIONAL GRID
Serial number
75797775
Registration number
2613097
Filing date
Sep 13, 1999
National Grid Company plc, The
38 - Telecommunications
Information
Trademark
75797784 - NATIONAL GRID
Serial number
75797784
Registration number
2742466
Filing date
Sep 13, 1999
National Grid Company plc, The
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75797741 - NATIONAL GRID
Serial number
75797741
Filing date
Sep 13, 1999
The National Grid Company plc
40 - Treatment of materials
Information
Trademark
75797786 - NATIONAL GRID
Serial number
75797786
Registration number
2551591
Filing date
Sep 13, 1999
National Grid Company plc, The
39 - Transport
Information
Trademark
75797788 - NATIONAL GRID
Serial number
75797788
Registration number
2688942
Filing date
Sep 13, 1999
National Grid Company plc, The
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
75522613
Serial number
75522613
Registration number
2323284
Filing date
Jul 21, 1998
The National Grid Company plc
39 - Transport
Information
Trademark
75528056
Serial number
75528056
Registration number
2340036
Filing date
Jul 21, 1998
The National Grid Company plc
40 - Treatment of materials
Information
Trademark
74457448 - SKILLMATE
Serial number
74457448
Filing date
Nov 10, 1993
National Grid Company plc, The
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74300110
Serial number
74300110
Registration number
1793830
Filing date
Aug 3, 1992
NATIONAL GRID COMPANY PLC, THE
35 - Advertising