PatentsDB

Liquid port constructions

Liquid port constructions · 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 codeF15B1/22
Official titleLiquid port constructions
Display labelLiquid port constructions
Total patents33

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20162
20173
20182
20192
20202
20213
20223
20231
20244
20259
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 F15B1/22?
CPC F15B1/22 is the Cooperative Patent Classification code for “Liquid port constructions.”
How many patents are filed under CPC F15B1/22 (Liquid port constructions)?
Our database includes 33 publications tagged with this CPC code.
Is patent activity under CPC F15B1/22 growing?
Publication counts under this code: 4 in 2024 vs 9 in 2025 (latest complete years).