the pistons co-operating with an actuated element at the outer ends of the cylinders

the pistons co-operating with an actuated element at the outer ends of the 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 codeF03C1/047
Official titlethe pistons co-operating with an actuated element at the outer ends of the cylinders
Display labelthe pistons co-operating with an actuated element at the outer ends of the cylinders
Total patents61

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
20152
20168
20177
20187
201910
20202
20216
20225
20232
20243
20257
20262

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 F03C1/047?
CPC F03C1/047 is the Cooperative Patent Classification code for “the pistons co-operating with an actuated element at the outer ends of the cylinders.”
How many patents are filed under CPC F03C1/047 (the pistons co-operating with an actuated element at the outer ends of the cylinders)?
Our database includes 61 publications tagged with this CPC code.
Is patent activity under CPC F03C1/047 growing?
Publication counts under this code: 3 in 2024 vs 7 in 2025 (latest complete years).