GERHARD WEHRMEYER

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Schwanau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Tunnel boring machine
- Patent number 12,196,083
- Issue date Jan 14, 2025
- Herrenknecht Aktiengesellschaft
- Werner Burger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tunnel machine having sealing units for sealing an annular gap arou...
- Patent number 12,060,774
- Issue date Aug 13, 2024
- Herrenknecht Aktiengesellschaft
- Werner Burger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Tunnel Boring Machine and Method for Tunneling Using a Tunnel Borin...
- Publication number 20240295173
- Publication date Sep 5, 2024
- Herrenknecht Aktiengesellschaft
- GERHARD WEHRMEYER
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTING WHEEL FOR A CUTTING BORING MACHINE
- Publication number 20240151142
- Publication date May 9, 2024
- Herrenknecht Aktiengesellschaft
- GERHARD WEHRMEYER
- E21 - EARTH DRILLING MINING
Information Patent Application
DEVICE AND METHOD FOR DRIVIING A TUNNEL
- Publication number 20230258084
- Publication date Aug 17, 2023
- Herrenknecht Aktiengesellschaft
- GERHARD WEHRMEYER
- E21 - EARTH DRILLING MINING
Information Patent Application
TUNNEL MACHINE HAVING SEALING UNITS FOR SEALING AN ANNULAR GAP AROU...
- Publication number 20230175319
- Publication date Jun 8, 2023
- Herrenknecht Aktiengesellschaft
- WERNER BURGER
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
TUNNEL BORING MACHINE
- Publication number 20230135570
- Publication date May 4, 2023
- Herrenknecht Aktiengesellschaft
- WERNER BURGER
- E21 - EARTH DRILLING MINING