Thomas Walburgis Bakker

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Hoogeveen, NL

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Patents Grantslast 30 patents

Information Patent Grant
Sealing and controlling of fluid pressure in an annular fluid passa...
- Patent number 10,648,258
- Issue date May 12, 2020
- Itrec B.V.
- Thomas Walburgis Bakker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for anchoring in a casing in a borehole in the ground
- Patent number 9,121,239
- Issue date Sep 1, 2015
- Christian Schulte
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SEALING AND CONTROLLING OF FLUID PRESSURE IN AN ANNULAR FLUID PASSA...
- Publication number 20180340383
- Publication date Nov 29, 2018
- Itrec B.V.
- Thomas Walburgis BAKKER
- E21 - EARTH DRILLING MINING
Information Patent Application
DEVICE FOR ANCHORING IN A CASING IN A BOREHOLE IN THE GROUND
- Publication number 20140305631
- Publication date Oct 16, 2014
- Christian Schulte
- E21 - EARTH DRILLING MINING