Valves specially shaped for supplying secondary air

Valves specially shaped for supplying secondary air · 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 codeF02M23/006
Official title{Valves specially shaped for supplying secondary air}
Display labelValves specially shaped for supplying secondary air
Total patents27

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20152
20164
20173
20183
20191
20207
20213
20242
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 F02M23/006?
CPC F02M23/006 is the Cooperative Patent Classification code for “Valves specially shaped for supplying secondary air.”
How many patents are filed under CPC F02M23/006 (Valves specially shaped for supplying secondary air)?
Our database includes 27 publications tagged with this CPC code.
Is patent activity under CPC F02M23/006 growing?
Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).