Duo Liu

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Dortmund, DE

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Patents Grantslast 30 patents

Information Patent Grant
Tension clamp and fastening point for the fastening of a rail to th...
- Patent number 11,492,763
- Issue date Nov 8, 2022
- Vossloh Werke GmbH
- Winfried Bösterling
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Sleeper for a track superstructure
- Patent number 11,396,728
- Issue date Jul 26, 2022
- Vossloh Fastening Systems GmbH
- Winfried Bösterling
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Sleeper for a Track Superstructure
- Publication number 20210140120
- Publication date May 13, 2021
- Vossloh Fastening Systems GmbH
- Winfried Bösterling
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Tension Clamp and Fastening Point for the Fastening of a Rail to th...
- Publication number 20190338470
- Publication date Nov 7, 2019
- Vossloh-Werke GmbH
- Winfried Bösterling
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES