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Kaj Emanuelsson
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Viken, SE
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Patents Grants
last 30 patents
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Patent Grant
Device and method for driving tunnels, galleries or the like
Patent number
9,212,552
Issue date
Dec 15, 2015
Atlas Copco Rock Drills AB
Sverker Hartwig
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and device for working rock
Patent number
9,004,609
Issue date
Apr 14, 2015
Atlas Copco Craelius AB
Sverker Hartwig
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and device for working rock
Patent number
8,950,823
Issue date
Feb 10, 2015
Atlas Copco Craelius AB
Mats Kristerson
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Device And Method For Driving Tunnels, Galleries Or The Like
Publication number
20150152728
Publication date
Jun 4, 2015
Sverker Hartwig
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND DEVICE FOR WORKING ROCK
Publication number
20120313422
Publication date
Dec 13, 2012
ATLAS COPCO CRAELIUS AB
Mats Kristerson
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND DEVICE FOR WORKING ROCK
Publication number
20110198914
Publication date
Aug 18, 2011
Sverker Hartwig
E21 - EARTH DRILLING MINING