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NORTHERN STATES POWER COMPANY
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MINNEAPOLIS, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Coal gas productions coal-based combined cycle power production
Patent number
5,078,752
Issue date
Jan 7, 1992
Northern States Power Company
Frank V. Mach
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Cogeneration process for production of energy and iron materials, i...
Patent number
5,066,325
Issue date
Nov 19, 1991
Northern States Power Company
John M. Lehto
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for production of energy and iron materials, including steel
Patent number
5,064,174
Issue date
Nov 12, 1991
Northern States Power Company
John M. Lehto
C21 - METALLURGY OF IRON
Information
Patent Grant
Cogeneration process for production of energy and iron materials
Patent number
5,055,131
Issue date
Oct 8, 1991
Northern States Power Company
John M. Lehto
C21 - METALLURGY OF IRON
Information
Patent Grant
Cogeneration process for production of energy and iron materials, i...
Patent number
5,045,112
Issue date
Sep 3, 1991
Northern States Power Company
John M. Lehto
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for the processing of fly ash, scrubber sludge and the like;...
Patent number
5,019,360
Issue date
May 28, 1991
Northern States Power Company
John M. Lehto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Retrofit flue gas scrubber system
Patent number
4,986,966
Issue date
Jan 22, 1991
Northern States Power Company
John M. Lehto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Flue gas scrubber system with chloride removal
Patent number
4,861,558
Issue date
Aug 29, 1989
Northern States Power Company
John M. Lehto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Flue gas scrubber system
Patent number
4,853,195
Issue date
Aug 1, 1989
Northern States Power Company
John M. Lehto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Flue gas scrubber system
Patent number
4,762,686
Issue date
Aug 9, 1988
Northern States Power Company
John M. Lehto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Ash grinder for scrubber system
Patent number
4,601,430
Issue date
Jul 22, 1986
Northern States Power Company
Michael F. Skinner
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
76146828 - NSP ENERGY ASSETS
Serial number
76146828
Registration number
2517005
Filing date
Oct 16, 2000
NORTHERN STATES POWER COMPANY
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
75917960 - UTILITY BUILDERS
Serial number
75917960
Registration number
2434422
Filing date
Feb 14, 2000
NORTHERN STATES POWER COMPANY
35 - Advertising
Information
Trademark
75909776 - TREECYCLING
Serial number
75909776
Filing date
Feb 3, 2000
NORTHERN STATES POWER COMPANY
40 - Treatment of materials
Information
Trademark
75865814 - TREECYCLING WOOD PROCESSING PLUS FROM NSP
Serial number
75865814
Registration number
2452779
Filing date
Dec 7, 1999
NORTHERN STATES POWER COMPANY
40 - Treatment of materials
Information
Trademark
75768589 - CONNECTRICITY
Serial number
75768589
Registration number
2405811
Filing date
Aug 5, 1999
NORTHERN STATES POWER COMPANY
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75768593 - CONNECTRICITY POWER PARK
Serial number
75768593
Registration number
2481446
Filing date
Aug 5, 1999
NORTHERN STATES POWER COMPANY
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75717949 - XCEL ENERGY
Serial number
75717949
Filing date
May 28, 1999
NORTHERN STATES POWER COMPANY
41 - Education
Information
Trademark
75983545 - XCEL ENERGY
Serial number
75983545
Registration number
2970929
Filing date
May 28, 1999
NORTHERN STATES POWER COMPANY
36 - Insurance
Information
Trademark
75691326 - THE POWER TO PREDICT, PLAN, PERFORM
Serial number
75691326
Registration number
2439300
Filing date
Apr 26, 1999
Ultra Power Technologies, Inc.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
75522324 - NSP ADVANTAGE SERVICE
Serial number
75522324
Registration number
2386897
Filing date
Jul 20, 1998
NORTHERN STATES POWER COMPANY
37 - Building construction
Information
Trademark
75322502 - SECURE IT
Serial number
75322502
Filing date
Jul 10, 1997
NORTHERN STATES POWER COMPANY
41 - Education
Information
Trademark
75212774 - ENERGY PLUS SERVICES
Serial number
75212774
Registration number
2165350
Filing date
Dec 13, 1996
NORTHERN STATES POWER COMPANY
37 - Building construction
Information
Trademark
75197477 - SEREN INNOVATIONS
Serial number
75197477
Filing date
Nov 13, 1996
NORTHERN STATES POWER COMPANY
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
75181754 - PLUGGED IN TO THE COMMUNITY
Serial number
75181754
Registration number
2087853
Filing date
Oct 15, 1996
NORTHERN STATES POWER COMPANY
39 - Transport
Information
Trademark
74428410 - SAVER'S SWITCH
Serial number
74428410
Registration number
1838152
Filing date
Aug 25, 1993
NORTHERN STATES POWER COMPANY
39 - Transport
Information
Trademark
74426969 - ENERGIZE YOUR BOTTOM LINE
Serial number
74426969
Registration number
1852738
Filing date
Aug 23, 1993
NORTHERN STATES POWER COMPANY
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
74322043 - NSP ENERGYWISE
Serial number
74322043
Registration number
1889484
Filing date
Oct 13, 1992
NORTHERN STATES POWER COMPANY
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
74146671 - THE ENERGY TO MAKE THINGS BETTER
Serial number
74146671
Registration number
1666995
Filing date
Mar 11, 1991
NORTHERN STATES POWER COMPANY
39 - Transport
Information
Trademark
74140288 - SURGE GUARD
Serial number
74140288
Registration number
1668379
Filing date
Feb 19, 1991
NORTHERN STATES POWER COMPANY
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74112573 - BRITE
Serial number
74112573
Registration number
1683276
Filing date
Nov 5, 1990
NORTHERN STATES POWER COMPANY
40 - Treatment of materials
Information
Trademark
73834524 - NSP GAS
Serial number
73834524
Registration number
1617998
Filing date
Oct 30, 1989
NORTHERN STATES POWER COMPANY
39 - Transport
Information
Trademark
73834533
Serial number
73834533
Registration number
1606770
Filing date
Oct 30, 1989
NORTHERN STATES POWER COMPANY
39 - Transport
Information
Trademark
73834725 - NSP TELEPHONE
Serial number
73834725
Registration number
1632591
Filing date
Oct 30, 1989
NORTHERN STATES POWER COMPANY
38 - Telecommunications
Information
Trademark
73834860
Serial number
73834860
Registration number
1626314
Filing date
Oct 30, 1989
NORTHERN STATES POWER COMPANY
38 - Telecommunications
Information
Trademark
73834006 - PERFORMANCE PLUS
Serial number
73834006
Filing date
Oct 26, 1989
NORTHERN STATES POWER COMPANY
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73833869 - ULTRA POWER
Serial number
73833869
Registration number
1610140
Filing date
Oct 26, 1989
NORTHERN STATES POWER COMPANY
39 - Transport
Information
Trademark
73832583 - N
Serial number
73832583
Registration number
1604995
Filing date
Oct 20, 1989
NORTHERN STATES POWER COMPANY
39 - Transport
Information
Trademark
73832110 - NSP
Serial number
73832110
Registration number
1622904
Filing date
Oct 10, 1989
NORTHERN STATES POWER COMPANY
38 - Telecommunications
Information
Trademark
73830076 - NSP
Serial number
73830076
Registration number
1624085
Filing date
Oct 10, 1989
NORTHERN STATES POWER COMPANY
39 - Transport
Information
Trademark
73830278 - NSP GAS
Serial number
73830278
Registration number
1619086
Filing date
Oct 10, 1989
NORTHERN STATES POWER COMPANY
39 - Transport