Onni Issakainen

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Tampere, FI

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Patents Grantslast 30 patents

Information Patent Grant
Drill hole filling method and apparatus
- Patent number 5,129,470
- Issue date Jul 14, 1992
- Oy Tampella AB
- Onni Issakainen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill hole filling method and apparatus
- Patent number 4,974,689
- Issue date Dec 4, 1990
- Oy Tampella AB
- Onni Issakainen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for feeding cement material into a drill hole for cement...
- Patent number 4,643,619
- Issue date Feb 17, 1987
- Oy Tampella AB
- Onni Issakainen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Feed storage for drill rods for a long-hole drilling apparatus
- Patent number 4,632,618
- Issue date Dec 30, 1986
- Oy Tampella AB
- Onni Issakainen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and equipment for performing rock bolting
- Patent number 4,576,525
- Issue date Mar 18, 1986
- Oy Tampella AB
- Onni Issakainen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of and apparatus for installing solder bolts in rock bolting
- Patent number 4,514,111
- Issue date Apr 30, 1985
- Oy Tampella AB
- Onni Issakainen
- E21 - EARTH DRILLING MINING