Priority Date: 11.10.11 (GB 20110017511)

Downhole valve assembly

  • Application ID: EP12185096
  • Status: Request for examination was made



Employment test 51 - 200 employees
Company dna hoffmann eitle
operating since 1892
Headquarter in Munich and 6 offices
active in Legal Services and IP Portfolio Processing


This EP application has the IPC class E21 (EARTH OR ROCK DRILLING; MINING). Hoffmann Eitle PartmbB 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.


  • 11.10.2011 - Priority Date (GB 20110017511)
  • 17.04.2013 - Publication A2 (EP2581550)
  • 05.07.2017 - Publication A3 (EP2581550)

IPC Classification