Priority Date: 08.09.11 (AT 20110050220U)

METHOD AND DEVICE FOR DRILLING, IN PARTICULAR PERCUSSION DRILLING OR ROTARY PERCUSSION DRILLING, HOLES IN SOIL MATERIAL OR ROCK MATERIAL, AND CONNECTING ELEMENT FOR A DRILL PIPE

  • Application ID: EP12761875
  • Status: APPLICATION DEEMED TO BE WITHDRAWN

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Specialization

This patent has the IPC class E21 (EARTH OR ROCK DRILLING; MINING) is specialized in E21. Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.

Timeline

  • 08.09.2011 - Priority Date (AT 20110050220U)
  • 14.03.2013 - Publication A2 (WO2013033738)
  • 16.07.2014 - Publication A2 (EP2753779)

IPC Classification