by twisting

by twisting · 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 codeB65B13/28
Official titleby twisting
Display labelby twisting
Total patents108

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
20156
20163
20171
20186
20193
202012
202113
202215
202315
202422
20258
20264

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 B65B13/28?
CPC B65B13/28 is the Cooperative Patent Classification code for “by twisting.”
How many patents are filed under CPC B65B13/28 (by twisting)?
Our database includes 108 publications tagged with this CPC code.
Is patent activity under CPC B65B13/28 growing?
Publication counts under this code: 22 in 2024 vs 8 in 2025 (latest complete years).