Combinations of transfer drums and grippers

Combinations of transfer drums and grippers · 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 codeB41F21/10
Official titleCombinations of transfer drums and grippers
Display labelCombinations of transfer drums and grippers
Total patents52

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
20152
201612
20175
20187
20193
20201
20219
20223
20233
20242
20254
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 B41F21/10?
CPC B41F21/10 is the Cooperative Patent Classification code for “Combinations of transfer drums and grippers.”
How many patents are filed under CPC B41F21/10 (Combinations of transfer drums and grippers)?
Our database includes 52 publications tagged with this CPC code.
Is patent activity under CPC B41F21/10 growing?
Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).