Martin Peterson

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Nacka, SE

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Patents Grantslast 30 patents

Information Patent Grant
Fluid driven down-the-hole drilling machine
- Patent number 5,488,998
- Issue date Feb 6, 1996
- Atlas Copco Rocktech AB
- Berndt Ekwall
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Drill string component for drilling with a liquid driven drilling m...
- Patent number 5,375,670
- Issue date Dec 27, 1994
- Atlas Copco Rocktech AB
- Berndt Ekwall
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fluid operated drill apparatus
- Patent number 5,318,140
- Issue date Jun 7, 1994
- Uniroc AB
- Berndt Ekwall
- E21 - EARTH DRILLING MINING
Information Patent Grant
Down-the-hole drilling machine
- Patent number 5,279,371
- Issue date Jan 18, 1994
- Uniroc AB
- Berndt Ekwall
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS