Helmut HROSS

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Newe Territories, HK

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Patents Grantslast 30 patents

Information Patent Grant
Cleaning device for cleaning a bottom of a borehole and method for...
- Patent number 9,512,591
- Issue date Dec 6, 2016
- Bauer Spezialtiefbau GmbH
- Stefan Spreitzer
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
CLEANING DEVICE FOR CLEANING A BOTTOM OF A BOREHOLE AND METHOD FOR...
- Publication number 20160083927
- Publication date Mar 24, 2016
- BAUER SPEZIALTIEFBAU GMBH
- Stefan SPREITZER
- B08 - CLEANING