spirally, concentrically or zigzag wound

spirally, concentrically or zigzag wound · 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 codeB01J19/243
Official title{spirally, concentrically or zigzag wound}
Display labelspirally, concentrically or zigzag wound
Total patents183

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201513
201619
201712
20187
201914
202020
202122
202219
202324
202417
202511
20265

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 B01J19/243?
CPC B01J19/243 is the Cooperative Patent Classification code for “spirally, concentrically or zigzag wound.”
How many patents are filed under CPC B01J19/243 (spirally, concentrically or zigzag wound)?
Our database includes 183 publications tagged with this CPC code.
Is patent activity under CPC B01J19/243 growing?
Publication counts under this code: 17 in 2024 vs 11 in 2025 (latest complete years).