Outdoor unit expansion valves

Outdoor unit expansion valves · 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 codeF25B2313/005
Official titleOutdoor unit expansion valves
Display labelOutdoor unit expansion valves
Total patents132

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
201521
201615
201717
201816
201915
202016
202111
202210
20233
20246
20252

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 F25B2313/005?
CPC F25B2313/005 is the Cooperative Patent Classification code for “Outdoor unit expansion valves.”
How many patents are filed under CPC F25B2313/005 (Outdoor unit expansion valves)?
Our database includes 132 publications tagged with this CPC code.
Is patent activity under CPC F25B2313/005 growing?
Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).