Removing ash, clinker, or slag from combustion chambers ({removing flyash from flue gas F23J15/022;} devices for removal of material from the bed of fluidised bed combustion apparatus F23C10/24)

Removing ash, clinker, or slag from combustion chambers ({removing flyash from flue gas F23J15/022;} devices for removal of material from the bed of fluidised bed combustion apparatus F23C10/24) · 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 codeF23J1/00
Official titleRemoving ash, clinker, or slag from combustion chambers ({removing flyash from flue gas F23J15/022;} devices for removal of material from the bed of fluidised bed combustion apparatus F23C10/24)
Display labelRemoving ash, clinker, or slag from combustion chambers ({removing flyash from flue gas F23J15/022;} devices for removal of material from the bed of fluidised bed combustion apparatus F23C10/24)
Total patents49

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20154
20162
20172
20182
20193
20208
20217
20227
20232
20247
20254
20261

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 F23J1/00?
CPC F23J1/00 is the Cooperative Patent Classification code for “Removing ash, clinker, or slag from combustion chambers ({removing flyash from flue gas F23J15/022;} devices for removal of material from the bed of fluidised bed combustion apparatus F23C10/24).”
How many patents are filed under CPC F23J1/00 (Removing ash, clinker, or slag from combustion chambers ({removing flyash from flue gas F23J15/022;} devices for removal of material from the bed of fluidised bed combustion apparatus F23C10/24))?
Our database includes 49 publications tagged with this CPC code.
Is patent activity under CPC F23J1/00 growing?
Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).