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Essen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for reducing the quantity of pollutant in wast...
Patent number
8,557,207
Issue date
Oct 15, 2013
Siemens Aktiengesellschaft
Jürgen Endemann
G05 - CONTROLLING REGULATING
Information
Patent Grant
Method and apparatus for processing ceramic components
Patent number
6,299,695
Issue date
Oct 9, 2001
Steag Aktiengesellschaft
Ralf Gilgen
B08 - CLEANING
Information
Patent Grant
Heat accumulator block for regenerated heat exchanger
Patent number
6,145,582
Issue date
Nov 14, 2000
Steag Ag
Bernd Bolle
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method and device for cleaning flue gases from furnaces
Patent number
6,090,355
Issue date
Jul 18, 2000
Steag Aktiengesellschaft
Hermann Winkler
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method of operating a combustion unit of a coal-fired power plant w...
Patent number
6,067,914
Issue date
May 30, 2000
Siemens Aktiengesellschaft
Erich Hums
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Adsorber for purifying combustion gases
Patent number
5,824,139
Issue date
Oct 20, 1998
STEAG Aktiengesellschaft
Hermann Bruggendick
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Method and device for scrubbing flue gases
Patent number
5,811,066
Issue date
Sep 22, 1998
STEAG Aktiengesellschaft
Hermann Winkler
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Device for measured removal of flowable material
Patent number
5,810,206
Issue date
Sep 22, 1998
STEAG Aktiengesellschaft
Hermann Bruggendick
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method and device for treating sludge
Patent number
5,611,935
Issue date
Mar 18, 1997
STEAG Aktiengesellschaft
Heinz Thiemann
F26 - DRYING
Information
Patent Grant
Method for operating a coal-fired power plant
Patent number
5,517,930
Issue date
May 21, 1996
STEAG Aktiengesellschaft
Hermann Farwick
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and arrangement for purifying a carbon-containing adsorption...
Patent number
5,405,812
Issue date
Apr 11, 1995
STEAG Aktiengesellschaft
Hermann Bruggendick
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Adsorption medium reactor, espectially fluidized bed reactor
Patent number
5,356,462
Issue date
Oct 18, 1994
STEAG Aktiengesellschaft
Hermann Bruggendick
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for the separation of undesirable constituents from a waste...
Patent number
5,344,631
Issue date
Sep 6, 1994
STEAG Aktiengesellschaft
Hermann Bruggendick
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Device for the separation of undesired exhaust gas components
Patent number
5,330,726
Issue date
Jul 19, 1994
STEAG Aktiengesellschaft
Hermann Bruggendick
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Device for metered removal of flowable solid material
Patent number
5,289,954
Issue date
Mar 1, 1994
STEAG Aktiengesellschaft
Hermann Bruggendick
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method of removing nitrogen oxides (NO.sub.x) from gases, especiall...
Patent number
4,789,531
Issue date
Dec 6, 1988
STEAG Aktiengesellschaft
Andreas Eichholtz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of removing oxides of nitrogen from flue gas
Patent number
4,735,785
Issue date
Apr 5, 1988
Steag Aktiengesellschaft
Hans A. Eichholtz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for the reduction of NO.sub.x in fluidized-bed furnaces
Patent number
4,648,331
Issue date
Mar 10, 1987
Steag A.G.
Franz Thelen
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Device for measuring the temperature in a dust carrying gas stream
Patent number
4,548,517
Issue date
Oct 22, 1985
Steag A.G.
Harry Kampmann
G01 - MEASURING TESTING
Information
Patent Grant
Process for cleaning of flue gases of a power plant with the aid of...
Patent number
4,509,437
Issue date
Apr 9, 1985
Steag Ag
Heribert Breidenbach
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Method and apparatus for operating a vortex bed furnace
Patent number
4,475,472
Issue date
Oct 9, 1984
Steag Aktiengesellschaft
Fritz Adrian
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Method for at least the two-stage ignition of a fuel dust power bur...
Patent number
4,474,120
Issue date
Oct 2, 1984
Steag Ag
Fritz Adrian
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Method of, and device for, drying flowing gases
Patent number
4,472,179
Issue date
Sep 18, 1984
Steag Ag
Fritz Adrian
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Pneumatic stowing of construction material comprising calcium alpha...
Patent number
4,445,937
Issue date
May 1, 1984
Ruhrkohle AG
Friedr. Bassier
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for the disposal and economic use of the residue of the exh...
Patent number
4,441,840
Issue date
Apr 10, 1984
Ruhrkohle AG
Friedrich Bassier
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process and apparatus for energy recovery from solid fossil inerts...
Patent number
4,430,854
Issue date
Feb 14, 1984
Steag A.G.
Fritz Adrian
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Process for cleaning of flue gases of a power plant with the aid of...
Patent number
4,430,951
Issue date
Feb 14, 1984
Steag A.G.
Heribert Breidenbach
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Outer wall suspended in front of a metal structure
Patent number
4,425,745
Issue date
Jan 17, 1984
STEAG Aktiengesellschaft
Johannes Gratz
E04 - BUILDING
Information
Patent Grant
Installation for recovering energy from solid fossil fuels, more pa...
Patent number
4,425,757
Issue date
Jan 17, 1984
STEAG Aktiengesellschaft
Klaus Heyn
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method of and apparatus for the treatment of pyrite-containing mine...
Patent number
4,408,723
Issue date
Oct 11, 1983
STEAG Aktiengesellschaft
Fritz Adrian
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
79122922 - STEAG
Serial number
79122922
Registration number
4445656
Filing date
Oct 5, 2012
STEAG GmbH
35 - Advertising
Information
Trademark
79110051 - STEAG
Serial number
79110051
Registration number
4352028
Filing date
Nov 17, 2011
STEAG GmbH
35 - Advertising
Information
Trademark
76478168 - STEAG THE POWER COMPANY
Serial number
76478168
Registration number
3025015
Filing date
Dec 10, 2002
STEAG Aktiengesellschaft
35 - Advertising
Information
Trademark
76580993 - STEAG
Serial number
76580993
Registration number
2910247
Filing date
Dec 10, 2002
STEAG Aktiengesellschaft
35 - Advertising
Information
Trademark
74552897 - STEAG
Serial number
74552897
Filing date
Jul 25, 1994
STEAG Aktiengesellschaft
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
74552877 - STEAG POWER ENGINEERING
Serial number
74552877
Filing date
Jul 25, 1994
STEAG Aktiengesellschaft
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
74552899 - /A/C/T
Serial number
74552899
Filing date
Jul 25, 1994
STEAG Aktiengesellschaft
16 - Paper, cardboard and goods made from these materials, not included in other classes