Priority Date: 20.01.12 (AU 20120900235)

DUAL CIRCULATION DRILLING SYSTEM

  • Application ID: EP13738669
  • Status: The patent has been granted

Attorney

Employment test 11 - 50 employees
Company dna onsagers as
operating since 1945
1018.16
Headquarter in Oslo and 2 offices
active in Legal Services, IP Consulting, and IP-related Communication Service

Specialization

This EP application has the IPC class E21 (EARTH OR ROCK DRILLING; MINING). Onsagers 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)
  • 25.10.2017 - Publication B1 (EP2805008)