Hot-air central heating systems (district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00; air conditioning F24F); Exhaust gas central heating systems

Hot-air central heating systems (district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00; air conditioning F24F); Exhaust gas central heating systems · 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 codeF24D5/00
Official titleHot-air central heating systems (district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00; air conditioning F24F); Exhaust gas central heating systems
Display labelHot-air central heating systems (district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00; air conditioning F24F); Exhaust gas central heating systems
Total patents28

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
20151
20163
20171
20186
20193
20203
20213
20223
20244
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 F24D5/00?
CPC F24D5/00 is the Cooperative Patent Classification code for “Hot-air central heating systems (district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00; air conditioning F24F); Exhaust gas central heating systems.”
How many patents are filed under CPC F24D5/00 (Hot-air central heating systems (district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00; air conditioning F24F); Exhaust gas central heating systems)?
Our database includes 28 publications tagged with this CPC code.
Is patent activity under CPC F24D5/00 growing?
Publication counts under this code: 3 in 2022 vs 4 in 2024 (latest complete years).