String handles

String handles · 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 codeB65D33/12
Official titleString handles
Display labelString handles
Total patents54

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
20151
20161
20174
20185
20195
20202
20215
20226
202312
20249
20254

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 B65D33/12?
CPC B65D33/12 is the Cooperative Patent Classification code for “String handles.”
How many patents are filed under CPC B65D33/12 (String handles)?
Our database includes 54 publications tagged with this CPC code.
Is patent activity under CPC B65D33/12 growing?
Publication counts under this code: 9 in 2024 vs 4 in 2025 (latest complete years).