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Petri Koivula
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Laihia, FI
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Patents Grants
last 30 patents
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Patent Grant
Electric network protection
Patent number
9,478,966
Issue date
Oct 25, 2016
ABB Schweiz AG
Kari Vanhala
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Patent Grant
Protection relay
Patent number
8,693,154
Issue date
Apr 8, 2014
ABB Technology AG
Kari Vanhala
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
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Patent Application
ELECTRIC NETWORK PROTECTION
Publication number
20140104735
Publication date
Apr 17, 2014
ABB TECHNOLOGY AG
Kari VANHALA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Patent Application
PROTECTION RELAY
Publication number
20120236452
Publication date
Sep 20, 2012
ABB TECHNOLOGY AG
Kari VANHALA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CONTROL OF PROTECTION RELAY
Publication number
20110295529
Publication date
Dec 1, 2011
ABB TECHNOLOGY AG
Kari VANHALA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER