PatentsDB

for reducing temperature in combustion chamber, e.g. for protecting walls of combustion chamber

for reducing temperature in combustion chamber, e.g. for protecting walls of combustion chamber · 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 codeF23C9/08
Official titlefor reducing temperature in combustion chamber, e.g. for protecting walls of combustion chamber
Display labelfor reducing temperature in combustion chamber, e.g. for protecting walls of combustion chamber
Total patents89

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20157
20168
20177
201814
201912
20209
20216
20227
20235
20245
20258
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 F23C9/08?
CPC F23C9/08 is the Cooperative Patent Classification code for “for reducing temperature in combustion chamber, e.g. for protecting walls of combustion chamber.”
How many patents are filed under CPC F23C9/08 (for reducing temperature in combustion chamber, e.g. for protecting walls of combustion chamber)?
Our database includes 89 publications tagged with this CPC code.
Is patent activity under CPC F23C9/08 growing?
Publication counts under this code: 5 in 2024 vs 8 in 2025 (latest complete years).