Process for reducing fossil co2 emissions
US-2025229224-A1 · Jul 17, 2025 · US
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Dust arresters
Dust arresters · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C21B7/22 |
| Official title | Dust arresters |
| Display label | Dust arresters |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Monitoring system for annular scrubbers
US-10155195-B2 · Dec 18, 2018 · US
Monitoring system for annular scrubbers
US-2017296966-A1 · Oct 19, 2017 · US
Method and device for introducing fine particle-shaped material into the fluidised bed of a fluidised bed reduction unit
US-9512496-B2 · Dec 6, 2016 · US