Reinforced pipes

Reinforced pipes · 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 codeF16L9/04
Official titleReinforced pipes
Display labelReinforced pipes
Total patents42

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
20152
20164
20174
20187
20197
20206
20214
20223
20231
20244

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 F16L9/04?
CPC F16L9/04 is the Cooperative Patent Classification code for “Reinforced pipes.”
How many patents are filed under CPC F16L9/04 (Reinforced pipes)?
Our database includes 42 publications tagged with this CPC code.
Is patent activity under CPC F16L9/04 growing?
Publication counts under this code: 1 in 2023 vs 4 in 2024 (latest complete years).