characterised by a single piston

characterised by a single piston · 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 codeF02M59/025
Official title{characterised by a single piston}
Display labelcharacterised by a single piston
Total patents197

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
20159
201631
201723
201832
201927
202023
202121
202213
202310
20244
20254

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 F02M59/025?
CPC F02M59/025 is the Cooperative Patent Classification code for “characterised by a single piston.”
How many patents are filed under CPC F02M59/025 (characterised by a single piston)?
Our database includes 197 publications tagged with this CPC code.
Is patent activity under CPC F02M59/025 growing?
Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).