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Andreas Artus
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Tabarz, DE
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last 30 patents
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Patent Grant
Sealing arrangement for shaft and tunnel constructions
Patent number
9,222,358
Issue date
Dec 29, 2015
Daetwyler Sealing Technologies Deutschland GmbH
Heiko Hoeft
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
SEALING OR DAMPING PROFILED ELEMENT
Publication number
20130181377
Publication date
Jul 18, 2013
DAETWYLER SEALING TECHNOLOGIES DEUTSCHLAND GMBH
Heiko Hoeft
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Application
SEALING ARRANGEMENT FOR SHAFT AND TUNNEL CONSTRUCTIONS
Publication number
20120328369
Publication date
Dec 27, 2012
PHOENIX DICHTUNGSTECHNIK GMBH
Heiko Hoeft
E21 - EARTH DRILLING MINING