Filter unit for an extruder assembly; a filter assembly and corresponding filter changing device for an extruder assembly with such a filter unit

  • Application ID: EP11174785
  • Status: The patent has been granted


Employment test 11 - 50 employees
Company dna rau schneck and huebner
operating since 1878
Headquarter in Nuremberg, Berlin and 1 office
active in Legal Services and IP Consulting


This EP application has the IPC combination B01 (PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL) and B29 (WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL). We found, that Bird & Bird LLP, Oehmke & Kollegen, Patentanwaltskanzlei Dr. Steiniger, Sarap & Putk Patent Agency, Riederer Hasler & Partner Patentanwälte AG and 37 others are specialized in this combination either. For a similar patent, they might be a good choice.


  • 23.01.2013 - Publication A1 (EP2548711)
  • 05.07.2017 - Publication B1 (EP2548711)