Alexander Barnas

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Patents Grantslast 30 patents

Information Patent Grant
Barrier wall element
- Patent number 9,988,778
- Issue date Jun 5, 2018
- KIRCHDORFER FERTIGTEILHOLDING GMBH
- Alexander Barnas
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Sound protection component
- Patent number 9,538,267
- Issue date Jan 3, 2017
- KIRCHDORFER FERTIGTEILHOLDING GMBH
- Alexander Barnas
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
BARRIER WALL ELEMENT
- Publication number 20170204576
- Publication date Jul 20, 2017
- KIRCHDORFER FERTIGTEILHOLDING GMBH
- ALEXANDER BARNAS
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
SOUND PROTECTION COMPONENT
- Publication number 20130272551
- Publication date Oct 17, 2013
- KIRCHDORFER FERTIGTEILHOLDING GMBH
- Alexander Barnas
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES