Cylinders

Cylinders · 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 codeF03C1/0652
Official title{Cylinders}
Display labelCylinders
Total patents45

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20156
20163
20176
20186
20199
20205
20212
20223
20231
20243
20251

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 F03C1/0652?
CPC F03C1/0652 is the Cooperative Patent Classification code for “Cylinders.”
How many patents are filed under CPC F03C1/0652 (Cylinders)?
Our database includes 45 publications tagged with this CPC code.
Is patent activity under CPC F03C1/0652 growing?
Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).