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Konrad Siemer
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Kassel, DE
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Patents Grants
last 30 patents
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Patent Grant
Process for producing mineral oil from underground mineral oil depo...
Patent number
9,945,219
Issue date
Apr 17, 2018
WINTERSHALL HOLDING GMBH
Vladimir Stehle
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device and method for well stimulation
Patent number
9,856,725
Issue date
Jan 2, 2018
ELEKTRO-THERMIT GMBH & CO. KG
Vladimir Stehle
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of reducing zone permeability by in-situ formation gel of ur...
Patent number
9,260,955
Issue date
Feb 16, 2016
Institute of Petroleum Chemistry of the Siberian Branch of the Russian Academ...
Vladimir Stehle
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for the production of mineral oil
Patent number
8,602,099
Issue date
Dec 10, 2013
Wintershall Holding GmbH
Vladimir Stehle
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
DEVICE AND METHOD FOR WELL STIMULATION
Publication number
20150300127
Publication date
Oct 22, 2015
Wintershall Holding GmbH
Vladimir STEHLE
E21 - EARTH DRILLING MINING
Information
Patent Application
DEVICE AND PROCESS FOR STIMULATION AND CLEANING OF A LIQUID-FILLED...
Publication number
20150292287
Publication date
Oct 15, 2015
Wintershall Holding GmbH
Vladimir Stehle
E21 - EARTH DRILLING MINING
Information
Patent Application
PROCESS FOR PRODUCING MINERAL OIL FROM UNDERGROUND MINERAL OIL DEPO...
Publication number
20130062078
Publication date
Mar 14, 2013
Institute of Petroleum Chemistry of the Siberian Branch of the Russian Academ...
Vladimir Stehle
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PROCESS FOR PRODUCING MINERAL OIL FROM UNDERGROUND MINERAL OIL DEPO...
Publication number
20120080187
Publication date
Apr 5, 2012
Institute of Petroleum Chemistry of the Siberian Branch of the Russian Academ...
Vladimir Stehle
E21 - EARTH DRILLING MINING
Information
Patent Application
PROCESS FOR THE PRODUCTION OF MINERAL OIL
Publication number
20110088899
Publication date
Apr 21, 2011
Wintershall Holding GmbH
Vladimir Stehle
E21 - EARTH DRILLING MINING