Blast furnace operation method
US-9938593-B2 · Apr 10, 2018 · US
This page is not indexed by search engines while we improve data quality.
Carbon-containing material
Carbon-containing material · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F27M2001/04 |
| Official title | Carbon-containing material |
| Display label | Carbon-containing material |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2018 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Blast furnace operation method
US-2016053338-A1 · Feb 25, 2016 · US
Direct Smelting Process and Apparatus
US-2016017458-A1 · Jan 21, 2016 · US
Direct smelting process and apparatus
US-9175907-B2 · Nov 3, 2015 · US