Priority Date: 20.10.05 (US 20050728542P)

Apparatus and method for managed pressure drilling

  • Application ID: EP14178732
  • Status: EXAMINATION IN PROGRESS

Attorney

Employment test 51 - 200 employees
Company dna hoffmann eitle
operating since 1892
Headquarter in Munich and 4 offices
active in Legal Services and IP Portfolio Processing

Specialization

This patent 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.

Timeline

  • 20.10.2005 - Priority Date (US 20050728542P)
  • 17.12.2014 - Publication A2 (EP2813664)
  • 23.12.2015 - Publication A3 (EP2813664)

IPC Classification