of flat, stacked bodies

of flat, stacked bodies · 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 codeB01D29/46
Official titleof flat, stacked bodies
Display labelof flat, stacked bodies
Total patents33

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
20152
20163
20172
20183
20191
20205
20215
20227
20232
20241
20251
20261

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 B01D29/46?
CPC B01D29/46 is the Cooperative Patent Classification code for “of flat, stacked bodies.”
How many patents are filed under CPC B01D29/46 (of flat, stacked bodies)?
Our database includes 33 publications tagged with this CPC code.
Is patent activity under CPC B01D29/46 growing?
Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).