Inventor

SPREITZER STEFAN

DE2 patents

Patents

2 patents

US9512591B2Dec 6, 2016

Cleaning device for cleaning a bottom of a borehole and method for creating a foundation element

BAUER SPEZIALTIEFBAU6 citations65

US9790742B2Oct 17, 2017

Drilling apparatus and method for drilling

BAUER SPEZIALTIEFBAU4 citations64