Unto Ahtola

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Tampere, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method and rock drilling apparatus for controlling rock drilling
- Patent number 6,460,630
- Issue date Oct 8, 2002
- Sandvik Tamrock Oy
- Unto Ahtola
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pressure fluid operated percussion drilling machine provided with a...
- Patent number 4,648,467
- Issue date Mar 10, 1987
- Oy Tampella AB
- Unto Ahtola
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
Method and rock drilling apparatus for controlling rock drilling
- Publication number 20020036102
- Publication date Mar 28, 2002
- Unto Ahtola
- E21 - EARTH DRILLING MINING