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Pertti Koivunen
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Tampere, FI
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Patents Grants
last 30 patents
Information
Patent Grant
Method and equipment for displaying drill holes and method for dire...
Patent number
8,689,902
Issue date
Apr 8, 2014
Sandvik Mining and Construction Oy
Jussi Puura
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for controlling a drilling sequence, a rock drilling apparat...
Patent number
6,957,707
Issue date
Oct 25, 2005
Sandvik Intellectual Property AB
Pertti Koivunen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of controlling rock drilling
Patent number
6,293,355
Issue date
Sep 25, 2001
Sandvik Tamrock Oy
Pertti Koivunen
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND EQUIPMENT FOR DISPLAYING DRILL HOLES AND METHOD FOR DIRE...
Publication number
20110100711
Publication date
May 5, 2011
SANDVIK MINING AND CONSTRUCTION OY
Jussi Puura
E21 - EARTH DRILLING MINING
Information
Patent Application
Method for controlling a drilling sequence, a rock drilling apparat...
Publication number
20040216922
Publication date
Nov 4, 2004
Sandvik Tamrock OY
Pertti Koivunen
E21 - EARTH DRILLING MINING