What is CPC D06F2103/56?

CPC D06F2103/56 is the Cooperative Patent Classification code for “related to air ducts, e.g. position of flow diverters.”

How many patents are filed under CPC D06F2103/56 (related to air ducts, e.g. position of flow diverters)?

Our database includes 134 publications tagged with this CPC code.

Publication counts under this code: 12 in 2024 vs 14 in 2025 (latest complete years).

related to air ducts, e.g. position of flow diverters · Cooperative Patent Classification (CPC)

Textile and paper production, treatment, and products.

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	D06F2103/56
Official title	related to air ducts, e.g. position of flow diverters
Display label	related to air ducts, e.g. position of flow diverters
Total patents	134

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

Filing activity over the last five years is 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 D06F2103/56?: CPC D06F2103/56 is the Cooperative Patent Classification code for “related to air ducts, e.g. position of flow diverters.”
How many patents are filed under CPC D06F2103/56 (related to air ducts, e.g. position of flow diverters)?: Our database includes 134 publications tagged with this CPC code.
Is patent activity under CPC D06F2103/56 growing?: Publication counts under this code: 12 in 2024 vs 14 in 2025 (latest complete years).