Heating or cooling systems

Heating or cooling systems · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB01F35/90
Official titleHeating or cooling systems
Display labelHeating or cooling systems
Total patents184

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201522
201618
201721
201818
201914
202011
202110
202222
202310
202421
202512
20265

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 B01F35/90?
CPC B01F35/90 is the Cooperative Patent Classification code for “Heating or cooling systems.”
How many patents are filed under CPC B01F35/90 (Heating or cooling systems)?
Our database includes 184 publications tagged with this CPC code.
Is patent activity under CPC B01F35/90 growing?
Publication counts under this code: 21 in 2024 vs 12 in 2025 (latest complete years).