METHOD FOR IMPROVING DURABILITY OF EXHAUST-GAS PIPE, AND EXHAUST-GAS PURIFICATION DEVICE

  • Application ID: EP12878012
  • Status: GRANT OF PATENT INTENDED

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Specialization

This EP application has the IPC class F01 (MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES). 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

  • 05.12.2013 - Publication A1 (WO2013179435)
  • 06.05.2015 - Publication A1 (EP2868882)

IPC Classification