Stefan SPREITZER

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Aresing, DE

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Patents Grantslast 30 patents

Information Patent Grant
Drilling apparatus and method for drilling
- Patent number 9,790,742
- Issue date Oct 17, 2017
- Bauer Spezialtiefbau GmbH
- Stefan Spreitzer
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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
DRILLING APPARATUS AND METHOD FOR PRODUCING A BORE
- Publication number 20180216407
- Publication date Aug 2, 2018
- BAUER SPEZIALTIEFBAU GMBH
- Stefan SPREITZER
- E21 - EARTH DRILLING MINING
Information Patent Application
EARTH WORKING APPARATUS AND METHOD FOR EARTH WORKING
- Publication number 20160201394
- Publication date Jul 14, 2016
- BAUER SPEZIALTIEFBAU GMBH
- Stefan SPREITZER
- E21 - EARTH DRILLING MINING
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