Priority Date: 16.03.12 (DE 201210204156)

PISTON RING WITH CHROMIUM SOLID PARTICLE WEAR-PREVENTION LAYER AND CORROSION-RESISTANT FLANK SURFACE

  • Application ID: EP12809151
  • Status: PATENT GRANTED

Applicant

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Technology Company

Attorney

Employment test 1 - 10 employees
Company dna geyer fehners and partner
no operation time available
Headquarter in Munich and 1 office
active in Legal Services and IP Consulting

Specialization

This EP application has the IPC class C23 (COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL) and F16 (ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL). We found, that Bockhorni & Kollegen, Puschmann Borchert Bardehle Patentanwälte Partnerschaft mbB, Berendt Leyh & Hering, Koepe & Partner Patentanwälte, WSL Patentanwälte PartGes mbB and 17 others are specialized in this combination either. For a similar patent, they might be a good choice.

Timeline

  • 16.03.2012 - Priority Date (DE 201210204156)
  • 19.09.2013 - Publication A1 (WO2013135325)
  • 21.01.2015 - Publication A1 (EP2825682)
  • 09.03.2016 - Publication B1 (EP2825682)

IPC Classification