with recirculation of separated solids or with cooling of the bed particles outside the combustion bed

with recirculation of separated solids or with cooling of the bed particles outside the combustion bed · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeF22B31/0084
Official title{with recirculation of separated solids or with cooling of the bed particles outside the combustion bed}
Display labelwith recirculation of separated solids or with cooling of the bed particles outside the combustion bed
Total patents25

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20153
20162
20172
20181
20192
20203
20214
20223
20233
20241
20251

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC F22B31/0084?
CPC F22B31/0084 is the Cooperative Patent Classification code for “with recirculation of separated solids or with cooling of the bed particles outside the combustion bed.”
How many patents are filed under CPC F22B31/0084 (with recirculation of separated solids or with cooling of the bed particles outside the combustion bed)?
Our database includes 25 publications tagged with this CPC code.
Is patent activity under CPC F22B31/0084 growing?
Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).