PatentsDB

with special arrangements for preheating or cooling the charge

with special arrangements for preheating or cooling the charge · 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 codeF27B9/12
Official titlewith special arrangements for preheating or cooling the charge
Display labelwith special arrangements for preheating or cooling the charge
Total patents61

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20152
20163
20173
20182
20194
20204
20215
202210
20238
20248
202512

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 F27B9/12?
CPC F27B9/12 is the Cooperative Patent Classification code for “with special arrangements for preheating or cooling the charge.”
How many patents are filed under CPC F27B9/12 (with special arrangements for preheating or cooling the charge)?
Our database includes 61 publications tagged with this CPC code.
Is patent activity under CPC F27B9/12 growing?
Publication counts under this code: 8 in 2024 vs 12 in 2025 (latest complete years).