ring shaped

ring shaped · 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 codeB01D29/036
Official title{ring shaped}
Display labelring shaped
Total patents29

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
20161
20172
20183
202011
20213
20236
20242
20251

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 B01D29/036?
CPC B01D29/036 is the Cooperative Patent Classification code for “ring shaped.”
How many patents are filed under CPC B01D29/036 (ring shaped)?
Our database includes 29 publications tagged with this CPC code.
Is patent activity under CPC B01D29/036 growing?
Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).