Priority Date: 14.09.12 (US 201261701064P)

HYDRAULIC OIL WELL PUMPING SYSTEM, AND METHOD FOR PUMPING HYDROCARBON FLUIDS FROM A WELLBORE

  • Application ID: EP13836940
  • Status: The patent has been granted

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Specialization

This EP application has the IPC class E21 (EARTH OR ROCK DRILLING; MINING). Marks & Clerk is specialized in E21. Marks & Clerk is specialised in 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

  • 14.09.2012 - Priority Date (US 201261701064P)
  • 20.03.2014 - Publication A1 (WO2014043464)
  • 22.07.2015 - Publication A1 (EP2895687)
  • 21.02.2018 - Publication B1 (EP2895687)

IPC Classification