Chucks with simultaneously-acting jaws, whether or not also individually adjustable

Chucks with simultaneously-acting jaws, whether or not also individually adjustable · 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 codeB23B31/12
Official titleChucks with simultaneously-acting jaws, whether or not also individually adjustable
Display labelChucks with simultaneously-acting jaws, whether or not also individually adjustable
Total patents39

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20151
20163
20172
20185
20193
20204
20213
20228
20231
20242
20255
20262

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 B23B31/12?
CPC B23B31/12 is the Cooperative Patent Classification code for “Chucks with simultaneously-acting jaws, whether or not also individually adjustable.”
How many patents are filed under CPC B23B31/12 (Chucks with simultaneously-acting jaws, whether or not also individually adjustable)?
Our database includes 39 publications tagged with this CPC code.
Is patent activity under CPC B23B31/12 growing?
Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).