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Patents Grants
last 30 patents
Information
Patent Grant
Method for production of aklylhalosilanes
Patent number
5,654,460
Issue date
Aug 5, 1997
Elkem A/s
Harry Morten Rong
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for treatment of residues from organochlorosilane and/or chl...
Patent number
5,651,807
Issue date
Jul 29, 1997
Elkem A/s
Roald Gundersen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for direct chemical analysis of molten metal using spectrometer
Patent number
5,644,401
Issue date
Jul 1, 1997
Elkem A/s
Torkild Eivindson
G01 - MEASURING TESTING
Information
Patent Grant
Scrap melting in a submerged arc furnace
Patent number
5,634,960
Issue date
Jun 3, 1997
Elkem A/s
Peter Cowx
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for recovering iron chloride, aluminum chloride and calcium...
Patent number
5,585,080
Issue date
Dec 17, 1996
Elkem A/s
Einar Andersen
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for reinforcing and repairing equipment parts and components...
Patent number
5,388,317
Issue date
Feb 14, 1995
Elkem A/s
Knut H. Johansen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method for production of granules
Patent number
5,258,053
Issue date
Nov 2, 1993
Elkem A/s
Karl Forwald
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Silicon powder and method for production of silicon powder
Patent number
5,128,116
Issue date
Jul 7, 1992
Elkem A/s
Karl Forwald
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Silicon powder and a method for producing silicon powder by gas ato...
Patent number
5,094,832
Issue date
Mar 10, 1992
Elkem A/s
Karl Forwald
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dosing pump system
Patent number
5,080,127
Issue date
Jan 14, 1992
Elkem A/s
Eike Herfurth
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Polysiloxane oils and process for their preparation
Patent number
5,034,554
Issue date
Jul 23, 1991
Elkem A/s
Peter L. Timms
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Use of manganese oxide in drilling mud and oil well cement slurries
Patent number
5,007,480
Issue date
Apr 16, 1991
Elkem A/s
Sverre Anderssen
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Spray nozzle
Patent number
5,005,768
Issue date
Apr 9, 1991
Elkem A/s
Eike Herfurth
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method and apparatus for treatment of dust recovered from off gases...
Patent number
5,004,496
Issue date
Apr 2, 1991
Elkem A/s
Jan A. Aune
C21 - METALLURGY OF IRON
Information
Patent Grant
Ladle inoculant dispenser
Patent number
4,997,167
Issue date
Mar 5, 1991
Elkem A/s
Pertti Harma
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for production of trichloromonosilane
Patent number
4,986,971
Issue date
Jan 22, 1991
Elkem A/s
Karl Forwald
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for treatment of dust recovered from off gases in metallurgi...
Patent number
4,957,551
Issue date
Sep 18, 1990
Elkem A/s
Jan A. Aune
C21 - METALLURGY OF IRON
Information
Patent Grant
Tiltable ladle with lid
Patent number
4,940,215
Issue date
Jul 10, 1990
Elkem A/s
Douglas S. White
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Hydraulic cement slurry
Patent number
4,935,060
Issue date
Jun 19, 1990
Elkem A/s
Eldar O. Dingsoyr
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for adding silica fume to dry shotcrete mixture
Patent number
4,931,098
Issue date
Jun 5, 1990
Elkem A/s
Tore Danielssen
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Tiltable ladle and cover for such ladle
Patent number
4,928,862
Issue date
May 29, 1990
Elkem A/s
Douglas S. White
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Ceramic composite material and a lining for metallurgical smelting...
Patent number
4,846,680
Issue date
Jul 11, 1989
Elkem A/s
Per Olav
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method of producing light weight cement for use of cementation of o...
Patent number
RE32742
Issue date
Sep 6, 1988
Elkem a/s
Sigve Skjeldal
106 - Compositions: coating or plastic
Information
Patent Grant
Ceramic composite material and a lining for metallurgical smelting...
Patent number
4,752,218
Issue date
Jun 21, 1988
Elkem A/s
Per Olav Nos
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Resin compositions
Patent number
4,722,952
Issue date
Feb 2, 1988
Elkem a/s
Brian W. Hatt
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Arrangement for suspension of a baking furnace for electrodes
Patent number
4,722,684
Issue date
Feb 2, 1988
Elkem a/s
Henrik M. Kvivik
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Means for charging liquid slag to a closed smelting furnace
Patent number
4,696,457
Issue date
Sep 29, 1987
Elkem A/s
Jan A. J. Aune
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Baking furnace for electrodes
Patent number
4,678,434
Issue date
Jul 7, 1987
Elkem A/s
Erik Q. Dahl
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Sidewall for a metallurgical smelting furnace
Patent number
4,674,728
Issue date
Jun 23, 1987
Elkem a/s
Jan A. Aune
C21 - METALLURGY OF IRON
Information
Patent Grant
Device for cutting an electrode casing
Patent number
4,663,844
Issue date
May 12, 1987
Elkem a/s
Olaf T. Vegge
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74641541 - COLORMAX
Serial number
74641541
Registration number
2117200
Filing date
Mar 3, 1995
Elkem a/s
2 - Paints, varnishes, lacquers
Information
Trademark
74641543 - WELDMAX
Serial number
74641543
Registration number
2064392
Filing date
Mar 3, 1995
Elkem a/s
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
74641976 - ELMAX
Serial number
74641976
Registration number
2011448
Filing date
Mar 3, 1995
Elkem a/s
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
74641549 - AGRIMAX
Serial number
74641549
Registration number
2124645
Filing date
Mar 3, 1995
Elkem a/s
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
74529947 - MICROWHITE
Serial number
74529947
Registration number
2154403
Filing date
May 26, 1994
Elkem a/s
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
74529941 - MICROBLACK
Serial number
74529941
Filing date
May 26, 1994
Elkem a/s
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
74517777 - GROUTAID
Serial number
74517777
Registration number
1979156
Filing date
Apr 28, 1994
Elkem a/s
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
74361727 - MINISIL
Serial number
74361727
Registration number
1880362
Filing date
Feb 23, 1993
Elkem a/s
6 - Common metals and their alloys
Information
Trademark
74361728 - FIBERAID
Serial number
74361728
Registration number
1839152
Filing date
Feb 23, 1993
ELKEM A/S
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
74276005 - ZIRCINOC
Serial number
74276005
Registration number
1817705
Filing date
May 15, 1992
Elkem a/s
6 - Common metals and their alloys
Information
Trademark
74268467 - SILVERSHINE
Serial number
74268467
Registration number
1829102
Filing date
Apr 23, 1992
Elkem a/s
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
74229374 - FIBERAID
Serial number
74229374
Filing date
Dec 11, 1991
ELKEM A/S
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
74097750 - SIPEARL
Serial number
74097750
Registration number
1782302
Filing date
Sep 17, 1990
ELKEM A/S
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
74064919 - ALINOC
Serial number
74064919
Registration number
1726986
Filing date
Jun 1, 1990
ELKEM A/S
6 - Common metals and their alloys
Information
Trademark
73821118 - MICRO.SEEDER
Serial number
73821118
Registration number
1668226
Filing date
Aug 23, 1989
ELKEM A/S
7 - Machines and machine tools
Information
Trademark
73814736 - E ELKEM
Serial number
73814736
Registration number
1921331
Filing date
Jul 25, 1989
ELKEM A/S
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73804110 - CALSINOC
Serial number
73804110
Registration number
1627953
Filing date
Jun 1, 1989
ELKEM A/S
6 - Common metals and their alloys
Information
Trademark
73802053 - E ELKEM TECHNOLOGY
Serial number
73802053
Registration number
1637426
Filing date
May 19, 1989
ELKEM A/S
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73739495 - SILGRAIN
Serial number
73739495
Registration number
1556527
Filing date
Jul 12, 1988
ELKEM A/S
6 - Common metals and their alloys
Information
Trademark
73688512 - GRIPIT
Serial number
73688512
Filing date
Oct 6, 1987
ELKEM A/S
7 - Machines and machine tools
Information
Trademark
73685200 - ELKEM MULTI-PURPOSE FURNACE
Serial number
73685200
Registration number
1574683
Filing date
Sep 21, 1987
ELKEM A/S
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
73524108 - LIGHTBOND
Serial number
73524108
Filing date
Feb 25, 1985
ELKEM A/S
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
73499524 - GRANSIL
Serial number
73499524
Registration number
1441030
Filing date
Sep 17, 1984
ELKEM A/S
6 - Common metals and their alloys
Information
Trademark
73487308 - EMSAC
Serial number
73487308
Registration number
1445760
Filing date
Jun 27, 1984
ELKEM A/S
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73428068 - VINGCARD
Serial number
73428068
Registration number
1310856
Filing date
May 31, 1983
Elkem a/s
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73428079 - VING CARD SYSTEM
Serial number
73428079
Registration number
1314309
Filing date
May 31, 1983
Elkem a/s
6 - Common metals and their alloys
Information
Trademark
73334260 - WING BALLANGRUD
Serial number
73334260
Registration number
1247154
Filing date
Oct 26, 1981
Elkem a/s
28 - Games and playthings
Information
Trademark
73308925 - NORSE
Serial number
73308925
Registration number
1352399
Filing date
May 5, 1981
Elkem a/s
7 - Machines and machine tools
Information
Trademark
73290441 - TRIOVING VINGCARD SYSTEM
Serial number
73290441
Registration number
1252196
Filing date
Dec 19, 1980
Elkem a/s
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73282817 - THERM-O-MATIC
Serial number
73282817
Registration number
1307652
Filing date
Oct 21, 1980
Elkem a/s
7 - Machines and machine tools