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Stefan Hoveling
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Osnabruck, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Methods for protecting patinated surfaces of copper products and pa...
Patent number
8,039,097
Issue date
Oct 18, 2011
KME Germany AG
Stefan Hoveling
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Process and reaction solution for producing a patina
Patent number
6,176,905
Issue date
Jan 23, 2001
KM Europa Metal AG
Sonja Priggemeyer
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Copper strip or sheet with a brown cover layer and methods for its...
Patent number
5,962,116
Issue date
Oct 5, 1999
KM Europa Metal AG
Christian Triquet
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for stabilizing a patina layer
Patent number
5,879,745
Issue date
Mar 9, 1999
KM Europa Metal AG
Ulrich Reiter
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing brochantite patina on copper
Patent number
5,714,052
Issue date
Feb 3, 1998
KM Europa Metal Aktiengesellschaft
Stefan Hoveling
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method for manufacturing tin-coated strips or sheets from copper or...
Patent number
5,580,617
Issue date
Dec 3, 1996
KM-Europa Metal Aktiengesellschaft
Hans H. Biederer
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method for producing a green protective coating on copper
Patent number
5,376,190
Issue date
Dec 27, 1994
KM-Kabelmetal AG
Stefan Hoveling
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process for producing brown covering layers on copper
Patent number
5,282,890
Issue date
Feb 1, 1994
KM-kabelmetal AG
Helmut Protzer
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
Methods for protecting patinated surfaces of copper products and pa...
Publication number
20080138590
Publication date
Jun 12, 2008
Stefan Hoveling
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Method for producing an inorganic cover layer on the surface of a p...
Publication number
20060019108
Publication date
Jan 26, 2006
Stefan Hoveling
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR