Priority Date: 28.06.12 (US 201213536082)

SACRIFICIAL LINER LINKAGES FOR AUTO-SHORTENING AN INJECTION PIPE FOR UNDERGROUND COAL GASIFICATION

  • Application ID: EP13810176
  • Status: EXAMINATION REQUESTED

Attorney

Employment test 11 - 50 employees
Company dna betten and resch
operating since 1978
Headquarter in Munich
active in Legal Services and IP Consulting

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

  • 28.06.2012 - Priority Date (US 201213536082)
  • 03.01.2014 - Publication A1 (WO2014004323)
  • 06.05.2015 - Publication A1 (EP2867442)

IPC Classification