Tobias ENGEL

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Gundelfingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Drill string element
- Patent number 10,941,624
- Issue date Mar 9, 2021
- Herrenknecht AG
- Tobias Gerhardt
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method for laying underground cables or underground line...
- Patent number 10,734,793
- Issue date Aug 4, 2020
- Herrenknecht AG
- Marc Peters
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
EXPANDING DRILL DEVICE
- Publication number 20250188805
- Publication date Jun 12, 2025
- HERRENKNECHT AG
- Lutz ZUR LINDE
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM AND METHOD FOR LAYING UNDERGROUND CABLES OR UNDERGROUND LINE...
- Publication number 20180269664
- Publication date Sep 20, 2018
- Marc PETERS
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DRILL STRING ELEMENT
- Publication number 20180245413
- Publication date Aug 30, 2018
- Tobias GERHARDT
- E21 - EARTH DRILLING MINING