Priority Date: 26.11.13 (US 201361908844P)

Differential pressure indicator for downhole isolation valve

  • Application ID: EP14194019
  • Status: EXAMINATION REQUESTED

Applicants

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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

  • 26.11.2013 - Priority Date (US 201361908844P)
  • 27.05.2015 - Publication A2 (EP2876253)

IPC Classification