Ysbrand Hans Wijnant

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Enschede, NL

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Patents Grantslast 30 patents

Information Patent Grant
Diffractor for diffracting sound
- Patent number 9,909,269
- Issue date Mar 6, 2018
- 4SILENCE B.V.
- Ysbrand Hans Wijnant
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Road with sound diffractors
- Patent number 8,696,233
- Issue date Apr 15, 2014
- 4Silence B.V.
- Ysbrand Hans Wijnant
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
DIFFRACTOR FOR DIFFRACTING SOUND
- Publication number 20160362855
- Publication date Dec 15, 2016
- 4SILENCE B.V.
- Ysbrand Hans Wijnant
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
ROAD WITH SOUND DIFFRACTORS
- Publication number 20120263524
- Publication date Oct 18, 2012
- Universiteit Twente
- Ysbrand Hans Wijnant
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES