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Roland Hoffmann
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Brilon, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Winding for a transformer or a coil and method for producing the wi...
Patent number
6,778,060
Issue date
Aug 17, 2004
ABB T&D Technologies Ltd.
Roland Hoffmann
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for manufacturing an electrical-power transformer having ph...
Patent number
6,663,039
Issue date
Dec 16, 2003
ABB Technology AG
Roland Hoffmann
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
PRODUCTION METHOD FOR A MULTI-LAYER TRANSFORMER WINDING HAVING INSU...
Publication number
20100245017
Publication date
Sep 30, 2010
ABB TECHNOLOGY AG
Roland HOFFMANN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method and device for hardening coils
Publication number
20060099337
Publication date
May 11, 2006
Christian Gruttner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Winding for a transformer or a coil and method for producing the wi...
Publication number
20030098768
Publication date
May 29, 2003
Roland Hoffmann
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Process for manufacturing an electrical-power transformer having ph...
Publication number
20030006334
Publication date
Jan 9, 2003
Roland Hoffmann
H01 - BASIC ELECTRIC ELEMENTS