Priority Date: 30.06.11 (US 201161503423P)

POSITIVE-DISPLACEMENT ROTARY PUMP HAVING A POSITIVE-DISPLACEMENT AUXILIARY PUMPING SYSTEM

  • Application ID: EP12805236
  • Status: GRANT OF PATENT INTENDED

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Specialization

This patent has the IPC class F04 (POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS) Bromhead Johnson is specialized in F04. 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

  • 30.06.2011 - Priority Date (US 201161503423P)
  • 03.01.2013 - Publication A1 (WO2013003172)
  • 07.05.2014 - Publication A1 (EP2726741)

IPC Classification