Priority Date: 20.01.12 (AU 20120900235)

DUAL CIRCULATION DRILLING SYSTEM

  • Application ID: EP13738669
  • Status: GRANT OF PATENT INTENDED

Attorney

Employment test 11 - 50 employees
Company dna onsagers as
operating since 1945
843.31
Headquarter in Oslo and 1 office
active in Legal Services, IP Consulting, and IP-related Communication Service

Specialization

This patent has the IPC class E21 (EARTH OR ROCK DRILLING; MINING) Onsagers AS 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

  • 20.01.2012 - Priority Date (AU 20120900235)
  • 25.07.2013 - Publication A1 (WO2013106890)
  • 26.11.2014 - Publication A1 (EP2805008)