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Patents Grants
last 30 patents
Information
Patent Grant
Flash removal device in a plant for production of mineral wool
Patent number
5,094,605
Issue date
Mar 10, 1992
Rockwool Aktiebolaget
Gunnar Hartung
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and apparatus for supplying a binder to mineral wool
Patent number
5,032,334
Issue date
Jul 16, 1991
Rockwool Aktiebolaget
Stig Jonsson
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Method and apparatus for vaccum cleaning a pile of mineral wool plates
Patent number
4,944,809
Issue date
Jul 31, 1990
Rockwool Aktiebolaget
Ingemar Ohberg
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Method and apparatus for vacuum cleaning mineral wool products whil...
Patent number
4,932,426
Issue date
Jun 12, 1990
Rockwool Aktiebolaget
H.ang.kan Wolff
B08 - CLEANING
Information
Patent Grant
Coke briquettes
Patent number
4,661,119
Issue date
Apr 28, 1987
Rockwool Aktiebolaget
D. Bertil Andersson
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method and apparatus for fiberizing molten mineral material
Patent number
4,661,134
Issue date
Apr 28, 1987
Rockwool Aktiebolaget
Gunnar W. Hartung
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Apparatus for testing and taking samples from liquid metal
Patent number
4,489,604
Issue date
Dec 25, 1984
Rockwool Aktiebolaget
Lars Kumbrant
G01 - MEASURING TESTING
Information
Patent Grant
Method for manufacture of shaped objects of mineral wool
Patent number
4,401,610
Issue date
Aug 30, 1983
Rockwool Aktiebolaget
Ingemar Ohberg
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Method and apparatus for collecting and handling mineral fibres
Patent number
4,357,154
Issue date
Nov 2, 1982
Rockwool Aktiebolaget
Willy Hartung
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method and apparatus for catching a partly fibrated mineral bloom
Patent number
4,356,017
Issue date
Oct 26, 1982
Rockwool Aktiebolaget
Bill Ankersson
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for the production of a fibrous mat
Patent number
4,284,471
Issue date
Aug 18, 1981
Rockwool Aktiebolaget
Gummar Cederqvist
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Method for determining the surface weight of a mineral wool mat
Patent number
4,240,815
Issue date
Dec 23, 1980
Rockwool Aktiebolaget
Hans Brelen
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Method for the production of mineral fibers with unitary fiber leng...
Patent number
4,234,329
Issue date
Nov 18, 1980
Rockwool Aktiebolaget
Gunnar M. T. Soderqvist
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for control of the surface weight of a mineral wool mat
Patent number
4,210,432
Issue date
Jul 1, 1980
Rockwool Aktiebolaget
Hans E. O. Brelen
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Method for the manufacture of a mineral fiber sheet
Patent number
4,193,841
Issue date
Mar 18, 1980
Rockwool Aktiebolaget
Gunnar Cederqvist
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for the production of a fiber composite
Patent number
4,159,224
Issue date
Jun 26, 1979
Rockwool Aktiebolaget
Gunnar Cederqvist
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Method for the production of mineral wool, especially for use in ba...
Patent number
4,153,439
Issue date
May 8, 1979
Rockwool Aktiebolaget
Relja Tomic
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Arrangement for fibration of molten mineral
Patent number
4,119,421
Issue date
Oct 10, 1978
Rockwool Aktiebolaget
Lennart Alenrot
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for continuous weighing of a continuous bandformed or matfor...
Patent number
4,108,344
Issue date
Aug 22, 1978
Rockwool Aktiebolaget
Stellan Dahlberg
G01 - MEASURING TESTING
Information
Patent Grant
Method at melting in a shaft furnace
Patent number
3,958,919
Issue date
May 25, 1976
Rockwool Aktiebolaget
Sven Olof Kjell Kjell-Berger
F27 - FURNACES KILNS OVENS RETORTS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73475295
Serial number
73475295
Registration number
1368970
Filing date
Apr 13, 1984
ROCKWOOL AKTIEBOLAGET
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
73167489 - MFB
Serial number
73167489
Registration number
1130873
Filing date
Aug 31, 1978
ROCKWOOL AKTIEBOLAGET
19 - Building materials (non-metallic)
Information
Trademark
73182361 - ECOMAX
Serial number
73182361
Registration number
1118246
Filing date
Aug 16, 1978
ROCKWOOL AKTIEBOLAGET
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes