ACHIM FELDERMANN

Person

  • AACHEN, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Top drive for a drill string

    • Patent number 10,221,626
    • Issue date Mar 5, 2019
    • MHwirth GmbH
    • Albrecht Heinrichs
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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