What is CPC F02M35/021?

CPC F02M35/021 is the Cooperative Patent Classification code for “Arrangements of air flow meters in or on air cleaner housings.”

How many patents are filed under CPC F02M35/021 (Arrangements of air flow meters in or on air cleaner housings)?

Our database includes 38 publications tagged with this CPC code.

Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).

Arrangements of air flow meters in or on air cleaner housings · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	F02M35/021
Official title	{Arrangements of air flow meters in or on air cleaner housings}
Display label	Arrangements of air flow meters in or on air cleaner housings
Total patents	38

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

Filing activity over the last five years is rapidly declining.

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Answers are generated from the same data shown on this page.

What is CPC F02M35/021?: CPC F02M35/021 is the Cooperative Patent Classification code for “Arrangements of air flow meters in or on air cleaner housings.”
How many patents are filed under CPC F02M35/021 (Arrangements of air flow meters in or on air cleaner housings)?: Our database includes 38 publications tagged with this CPC code.
Is patent activity under CPC F02M35/021 growing?: Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).