Sealings in pistons

Sealings in pistons · 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 codeF16F9/368
Official title{Sealings in pistons}
Display labelSealings in pistons
Total patents150

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
20158
20166
20174
201814
201920
202016
202115
202219
202310
202420
202516
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 F16F9/368?
CPC F16F9/368 is the Cooperative Patent Classification code for “Sealings in pistons.”
How many patents are filed under CPC F16F9/368 (Sealings in pistons)?
Our database includes 150 publications tagged with this CPC code.
Is patent activity under CPC F16F9/368 growing?
Publication counts under this code: 20 in 2024 vs 16 in 2025 (latest complete years).