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Patent Assignment Assignor Details
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Assignor Name : BRITISH GAS PLC
Total Assignments: 8
Assignment: 1
Reel/Frame:004840/0324   Pages: 4
Recorded: 03/09/1988
Conveyance: POWER OF ATTORNEY BY ASSIGNOR APPOINTING ASSIGNEE TO REPRESENT HIM IN ALL MATERS UNDER SAID PATENT, (SEE RECORD FOR DETAILS).
Assignor
1
BRITISH GAS PLC
Exec Dt:
08/24/1986
Assignee
1
WALLACE, WALTER (ATTORNEY-IN-FACT)
STATELESS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4728897
NONE
07073328
Correspondence name and address
LARSON AND TAYLOR
727 23RD STREET, SOUTH
ARLINGTON, VA 22202
Assignment: 2
Reel/Frame:004681/0562   Pages: 1
Recorded: 03/18/1987
Conveyance: LICENSE (SEE DOCUMENT FOR DETAILS).
Assignor
1
BRITISH GAS PLC
Exec Dt:
12/30/1986
Assignees
1
MCALPINE SERVICES AND PIPELINES LIMITED, HILL HOUSE, 3 LITTLE NEW STREET, LONDON EC4A 3TR
2
KERSHAW HYDRO-PIPE SERVICE LIMITED, OLD BANK, PEARCE LANE, WINGERWORTH, CHESTERFIELD, S42 6RA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4590799
NONE
06590764
Correspondence name and address
LARSON AND TAYLOR
727 23RD STREET SOUTH
ARLINGTON, VA 22202
Assignment: 3
Reel/Frame:010333/0659   Pages: 2
Recorded: 10/25/1999
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
BRITISH GAS PLC
Exec Dt:
02/17/1997
Assignee
1
BG PLC
READING
100 THAMES VALLEY PARK
BERKSHIRE, ENGLAND RG6 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
RE36859
NONE
08764228
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER, ET AL
C. IRVIN MCCLELLAND
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 4
Reel/Frame:011219/0090   Pages: 2
Recorded: 10/10/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BRITISH GAS PLC
Exec Dt:
10/09/2000
Assignee
1
BG INTELLECTUAL PROPERTY LTD.
100 THAMES VALLE PARK
READING, BERKSHIRE RG6 1PT, UNITED KINGDOM
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
4505302
NONE
06460005
 
4702211
NONE
06819502
Correspondence name and address
LARSON & TAYLOR, PLC
MARVIN PETRY
1199 NO. FAIRFAX ST.
SUITE 900
ALEXANDRIA, VA 22314-1437
Assignment: 5
Reel/Frame:013943/0497   Pages: 2
Recorded: 04/09/2003
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
BRITISH GAS PLC
Exec Dt:
10/23/2000
Assignee
1
TRANSCO PLC
1-3 STRAND
LONDON, WC2N 5EH, GREAT BRITAIN
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4671345
NONE
06817451
 
4671346
NONE
06817452
 
4729883
NONE
06903963
 
4747771
NONE
06928401
 
4756688
NONE
07032570
 
4768949
NONE
07096284
 
4807695
NONE
07204921
 
5163331
NONE
07363994
 
4986899
NONE
07407055
 
5093810
NONE
07414442
 
4957430
NONE
07420609
 
5156886
NONE
07426811
 
5063527
NONE
07500232
 
5845668
NONE
07566411
 
5178018
NONE
07596011
 
5168762
NONE
07688478
 
5243863
NONE
07760385
 
5311621
NONE
07887373
 
5249344
NONE
07901673
 
5461931
NONE
08087791
 
5375099
NONE
08100180
 
5497807
NONE
08202453
 
5536473
NONE
08284436
 
5551704
NONE
08336049
 
5482076
NONE
08346184
 
5601936
NONE
08441733
 
5652396
NONE
08464857
 
5635626
NONE
08560647
 
5738357
NONE
08594232
 
5878783
NONE
08617734
 
6056016
NONE
08725694
 
6107795
NONE
09115902
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER, ET AL
MARVIN J. SPIVAK
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 6
Reel/Frame:014852/0132   Pages: 2
Recorded: 07/14/2004
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
BRITISH GAS PLC
Exec Dt:
10/23/2000
Assignee
1
TRANSCO PLC
1-3 STAND
LONDON,WC2N 5EH, GREAT BRITAIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5539258
NONE
08296911
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 7
Reel/Frame:021603/0866   Pages: 3
Recorded: 10/01/2008
Attorney Dkt #:314727US2SD B
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
BRITISH GAS PLC
Exec Dt:
10/10/2005
Assignee
1
NATIONAL GRID GAS PLC
1-3 STRAND
LONDON WC2N 5EH, UNITED KINGDOM
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
5002137
NONE
07399876
 
4985385
NONE
07412298
 
5048174
NONE
07508529
 
5054677
NONE
07535203
 
5182516
NONE
07640292
 
5127116
NONE
07669418
 
5105847
NONE
07739287
 
5167056
NONE
07798974
 
5214835
NONE
07799096
 
5551704
NONE
08336049
 
5673469
NONE
08414641
 
5630853
NONE
08443316
 
5966789
NONE
08828179
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND MAIER & NEUSTA
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 8
Reel/Frame:027579/0725   Pages: 2
Recorded: 01/23/2012
Attorney Dkt #:35065-150957
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
BRITISH GAS PLC
Exec Dt:
10/10/2005
Assignee
1
NATIONAL GRID GAS PLC
1-3 STRAND
LONDON, UNITED KINGDOM WC2N 5EH
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6240612
NONE
08867396
Correspondence name and address
JAMES R. FOLEY
150 NORTH MICHIGAN AVE.
SUITE 2700
CHICAGO, IL 60601

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