UNIROC AKTIEBOLAG

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737 25 FAGERSTA, SE

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Patents Grantslast 30 patents

Information Patent Grant
Drilling tool for percussive and rotary drilling
- Patent number 5,259,469
- Issue date Nov 9, 1993
- Uniroc Aktiebolag
- Karl-Axel Stjernstrom
- E21 - EARTH DRILLING MINING
Information Patent Grant
Eccentric drilling tool
- Patent number 5,052,503
- Issue date Oct 1, 1991
- Uniroc Aktiebolag
- Stig U. Lof
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flushing means for drilling tools
- Patent number 5,040,621
- Issue date Aug 20, 1991
- Uniroc Aktiebolag
- Stig U. Lof
- E21 - EARTH DRILLING MINING
Information Patent Grant
Laterally adjustable drilling tool
- Patent number 5,009,274
- Issue date Apr 23, 1991
- Uniroc Aktiebolag
- Stig U. Lof
- E21 - EARTH DRILLING MINING

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