Priority Date: 29.09.11 (CN 20111300559)

PULSE TUBE REFRIGERATOR WITH DEVICE CAPABLE OF AUTOMATICALLY ADJUSTING GAS FLOW RATE AND PHASE

  • Application ID: EP12835810
  • Status: PATENT GRANTED

Attorney

Employment test 11 - 50 employees
Company dna kramer barske schmidtchen
operating since 1966
Headquarter in Munich
active in Legal Services

Specialization

This EP application has the IPC class F25 (REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES). 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

  • 29.09.2011 - Priority Date (CN 20111300559)
  • 04.04.2013 - Publication A1 (WO2013044604)
  • 06.08.2014 - Publication A1 (EP2762799)
  • 31.05.2017 - Publication B1 (EP2762799)

IPC Classification