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Michael Koolman
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Bubenreuth, DE
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last 30 patents
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Patent Grant
Device and method for obtaining, especially in situ, a carbonaceous...
Patent number
9,574,430
Issue date
Feb 21, 2017
Siemens Aktiengesellschaft
Dirk Diehl
E21 - EARTH DRILLING MINING
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Patent Grant
Device and method for obtaining, in particular in situ, a substance...
Patent number
9,175,545
Issue date
Nov 3, 2015
Siemens Aktiengesellschaft
Michael Koolman
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
Device and method for obtaining, especially in situ, a carbonaceous...
Publication number
20150308248
Publication date
Oct 29, 2015
Dirk Diehl
E21 - EARTH DRILLING MINING
Information
Patent Application
DEVICE AND METHOD FOR OBTAINING, IN PARTICULAR IN SITU, A SUBSTANCE...
Publication number
20120312538
Publication date
Dec 13, 2012
Michael Koolman
E21 - EARTH DRILLING MINING