CM-PATRA / record

(no English title in the source record)

Filed / published / granted
2013-09-13 / 2015-07-10 / n/a
Offices
IN (includes the Indian office)
Applicants
Mitsubishi Hitachi Metals (JP, individual)
Minerals
General metallurgy (mineral unspecified)
Stages
Ore preparation / agglomeration
CPC
C22B1/20
Abstract (first 170 chars)
A partially-reduced iron producing apparatus includes: an exhaust gas circulating device (50) which supplies an oxygen-containing gas to raw-material pellets to be heated

Why it is labelled this way

Decided by cpc-rules: Metallurgy classes (C22B) without a named mineral.

Source: Google Patents Public Data (BigQuery), CC BY 4.0.