Pertti PARKKINEN

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic system with safety mode, rock drilling rig and method
- Patent number 12,264,583
- Issue date Apr 1, 2025
- Sandvik Mining and Construction Oy
- Juho Rantanen
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
HYDRAULIC SYSTEM WITH SAFETY MODE, ROCK DRILLING RIG AND METHOD
- Publication number 20240392628
- Publication date Nov 28, 2024
- SANDVIK MINING AND CONSTRUCTION OY
- Juho RANTANEN
- E21 - EARTH DRILLING MINING
Information Patent Application
HYDRAULIC SYSTEM, MINING VEHICLE AND METHOD
- Publication number 20240352954
- Publication date Oct 24, 2024
- SANDVIK MINING AND CONSTRUCTION OY
- Pertti PARKKINEN
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
ARRANGEMENT AND METHOD FOR HEATING HYDRAULIC IMPACT DEVICE
- Publication number 20240271488
- Publication date Aug 15, 2024
- SANDVIK MINING AND CONSTRUCTION OY
- Jarno VIITANIEMI
- E21 - EARTH DRILLING MINING