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Patents Grantslast 30 patents

Information Patent Grant
Device for producing a bore in the ground, rotary drive device and...
- Patent number 10,294,722
- Issue date May 21, 2019
- Aker Wirth GmbH
- Frank Foerster
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
TOP DRIVE FOR A DRILL STRING
- Publication number 20160290045
- Publication date Oct 6, 2016
- MHWIRTH GMBH
- ALBRECHT HEINRICHS
- E21 - EARTH DRILLING MINING
Information Patent Application
DEVICE FOR PRODUCING A BORE IN THE GROUND, ROTARY DRIVE DEVICE AND...
- Publication number 20140175749
- Publication date Jun 26, 2014
- AKER WIRTH GMBH
- Frank Foerster
- E21 - EARTH DRILLING MINING