Fredrik Egerstrom

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Nacka, SE

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Patents Grantslast 30 patents

Information Patent Grant
Drive device for rotatable operation of a drill bit of a down-the-h...
- Patent number 12,173,584
- Issue date Dec 24, 2024
- LKAB WASSARA AB
- Magnus Hörman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for drilling and lining a borehole
- Patent number 10,030,449
- Issue date Jul 24, 2018
- LKAB WASSARA AB
- Fredrik Egerström
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and device for directional down-hole drilling
- Patent number 7,159,674
- Issue date Jan 9, 2007
- Wassara AB
- Fredrik Egerstrom
- E21 - EARTH DRILLING MINING
Information Patent Grant
Liquid driven downhole drilling machine
- Patent number 7,040,421
- Issue date May 9, 2006
- Wassara AB
- Fredrik Egerstrom
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic drill string
- Patent number 6,994,175
- Issue date Feb 7, 2006
- Wassara AB
- Fredrik Egerstrom
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
A DRIVE DEVICE FOR ROTATABLE OPERATION OF A DRILL BIT OF A DOWN-THE...
- Publication number 20230374860
- Publication date Nov 23, 2023
- LKAB WASSARA AB
- Magnus HÖRMAN
- E21 - EARTH DRILLING MINING
Information Patent Application
APPARATUS FOR DRILLING AND LINING A BOREHOLE
- Publication number 20150330151
- Publication date Nov 19, 2015
- LKAB WASSARA AB
- Fredrik EGERSTRÖM
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and device for directional down-hole drilling
- Publication number 20050252687
- Publication date Nov 17, 2005
- Fredrik Egerstrom
- E21 - EARTH DRILLING MINING
Information Patent Application
Liquid driven downhole drilling machine
- Publication number 20050011680
- Publication date Jan 20, 2005
- Fredrik Egerstrom
- E21 - EARTH DRILLING MINING
Information Patent Application
Hydraulic drill string
- Publication number 20040188146
- Publication date Sep 30, 2004
- Fredrik Egerstrom
- E21 - EARTH DRILLING MINING