Sven Granholm

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Skelleftea, SW

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Patents Grantslast 30 patents

Information Patent Grant
Ground stabilizing equipment
- Patent number 4,058,986
- Issue date Nov 22, 1977
- Linden-Alimak AB
- Sven Granholm
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic operated rock drilling apparatus
- Patent number 4,006,783
- Issue date Feb 8, 1977
- Linden-Alimak AB
- Sven Granholm
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Rock drill equipment having a mechanized drill bit exchange
- Patent number 3,976,149
- Issue date Aug 24, 1976
- Linden-Alimak AB
- Sven Granholm
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pipe for sticking down drains into the ground
- Patent number 3,961,486
- Issue date Jun 8, 1976
- Linden-Alimak AB
- Sven Granholm
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING