Karolina Årdh

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Almhult, SE

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Patents Grantslast 30 patents

Information Patent Grant
Chuck for a drill head of a rotation drilling rig
- Patent number 10,392,877
- Issue date Aug 27, 2019
- Epiroc Rock Drills Aktiebolag
- Jan Hanna
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
CHUCK FOR A DRILL HEAD OF A ROTATION DRILLING RIG
- Publication number 20170044851
- Publication date Feb 16, 2017
- ATLAS COPCO ROCK DRILLS AB
- Jan Hanna
- E21 - EARTH DRILLING MINING