using voice recognition

using voice recognition · 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 codeB66B2201/4646
Official titleusing voice recognition
Display labelusing voice recognition
Total patents51

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20163
20176
20188
20198
20204
20215
20228
20231
20244
20251
20263

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 B66B2201/4646?
CPC B66B2201/4646 is the Cooperative Patent Classification code for “using voice recognition.”
How many patents are filed under CPC B66B2201/4646 (using voice recognition)?
Our database includes 51 publications tagged with this CPC code.
Is patent activity under CPC B66B2201/4646 growing?
Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).