with flat filtering elements (B01D29/39 takes precedence)

with flat filtering elements (B01D29/39 takes precedence) · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB01D29/01
Official titlewith flat filtering elements (B01D29/39 takes precedence)
Display labelwith flat filtering elements (B01D29/39 takes precedence)
Total patents259

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201514
201615
201715
201819
201925
202038
202121
202225
202338
202423
202520
20266

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 B01D29/01?
CPC B01D29/01 is the Cooperative Patent Classification code for “with flat filtering elements (B01D29/39 takes precedence).”
How many patents are filed under CPC B01D29/01 (with flat filtering elements (B01D29/39 takes precedence))?
Our database includes 259 publications tagged with this CPC code.
Is patent activity under CPC B01D29/01 growing?
Publication counts under this code: 23 in 2024 vs 20 in 2025 (latest complete years).