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KERAMCHEMIE (CANADA) LIMITED
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CHICAGO, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method of regenerating a spent pickling solution
Patent number
6,375,915
Issue date
Apr 23, 2002
Keramchemie GmbH
Frank Bärhold
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process for treating the surface of material of high-grade steel
Patent number
5,840,173
Issue date
Nov 24, 1998
Keramchemie GmbH
Ralf Waldmann
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method of producing a cold-rolled strip in one pass
Patent number
5,759,307
Issue date
Jun 2, 1998
Keramchemie GmbH
Heinz Berger
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Pickling installation and method for operating this pickling instal...
Patent number
5,545,260
Issue date
Aug 13, 1996
SMS Schloemann-Siemag AG
Horst Gartner
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for purification of exhaust air
Patent number
4,976,751
Issue date
Dec 11, 1990
Keramchemie GmbH
Egbert Schippert
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Chemical attack-resistant, liquid-tight lining
Patent number
4,800,128
Issue date
Jan 24, 1989
Keramchemie GmbH
Eckhard Schacht
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method and apparatus for the purification of waste air containing b...
Patent number
4,723,968
Issue date
Feb 9, 1988
Keramchemie GmbH
Egbert Schippert
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75701752 - COROBOND
Serial number
75701752
Filing date
May 10, 1999
Keramchemie GmbH
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
75315057 - KERABUTYL
Serial number
75315057
Registration number
2212465
Filing date
Jun 26, 1997
Keramchemie GmbH
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
74638076 - KCH
Serial number
74638076
Registration number
2070994
Filing date
Feb 22, 1995
Keramchemie GmbH
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73778067 - KERAMCHEMIE
Serial number
73778067
Filing date
Feb 1, 1989
KERAMCHEMIE (CANADA) LIMITED
7 - Machines and machine tools
Information
Trademark
73778084 - KCH
Serial number
73778084
Filing date
Feb 1, 1989
KERAMCHEMIE (CANADA) LIMITED
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
73778085 - KCH
Serial number
73778085
Filing date
Feb 1, 1989
KERAMCHEMIE (CANADA) LIMITED
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes