Karl van der WAAL

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Selangor Darul Ehsan, MY

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Patents Grantslast 30 patents

Information Patent Grant
Trench cutter and method for producing a cut trench in the soil
- Patent number 11,236,480
- Issue date Feb 1, 2022
- Bauer Spezialtiefbau GmbH
- Thomas Domanski
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Drilling bucket and method for drilling a bore hole
- Patent number 9,567,806
- Issue date Feb 14, 2017
- Bauer Spezialtiefbau GmbH
- Karl van der Waal
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
TRENCH CUTTER AND METHOD FOR PRODUCING A CUT TRENCH IN THE SOIL
- Publication number 20210095435
- Publication date Apr 1, 2021
- BAUER SPEZIALTIEFBAU GMBH
- Thomas DOMANSKI
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
DRILLING BUCKET AND METHOD FOR DRILLING A BORE HOLE
- Publication number 20140034385
- Publication date Feb 6, 2014
- BAUER SPEZIALTIEFBAU GMBH
- Karl van der WAAL
- E21 - EARTH DRILLING MINING