FLOATING PLUG PRESSURE EQUALIZATION IN OILFIELD DRILL BITS

  • Application ID: EP11877296
  • Status: APPLICATION DEEMED TO BE WITHDRAWN

Applicant

Attorney

no operation time available
2 offices
active in Legal Services

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

  • 20.06.2013 - Publication A1 (WO2013089708)
  • 22.10.2014 - Publication A1 (EP2791454)