four

four · 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 codeF02B2075/027
Official title{four}
Display labelfour
Total patents205

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
201513
201610
201731
201824
201922
202019
202127
202226
202315
20248
202510

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 F02B2075/027?
CPC F02B2075/027 is the Cooperative Patent Classification code for “four.”
How many patents are filed under CPC F02B2075/027 (four)?
Our database includes 205 publications tagged with this CPC code.
Is patent activity under CPC F02B2075/027 growing?
Publication counts under this code: 8 in 2024 vs 10 in 2025 (latest complete years).