Peter F. Johansson

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Stockholm, SE

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Patents Grantslast 30 patents

Information Patent Grant
Drill bit for a down-the-hole drill
- Patent number 9,016,408
- Issue date Apr 28, 2015
- LKAB Wassara AB
- Magnus Hörman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Arrangement for a down-the-hole hammer drill for use in soil consol...
- Patent number 8,992,130
- Issue date Mar 31, 2015
- LKAB Wassara AB
- Magnus Hörman
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
ARRANGEMENT FOR A DOWN-THE-HOLE HAMMER DRILL FOR USE IN SOIL CONSOL...
- Publication number 20120039673
- Publication date Feb 16, 2012
- Wassara AB
- Magnus Hörman
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
DRILL BIT FOR A DOWN-THE-HOLE DRILL
- Publication number 20120012399
- Publication date Jan 19, 2012
- Wassara AB
- Magnus Hörman
- E21 - EARTH DRILLING MINING