MITIGATING SWAB AND SURGE PISTON EFFECTS ACROSS A DRILLING MOTOR

  • Application ID: EP12891328
  • Status: GRANT OF PATENT INTENDED

Applicant

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

  • 03.07.2014 - Publication A1 (WO2014105055)
  • 24.06.2015 - Publication A1 (EP2885486)