using friction or ultrasonic vibrations

using friction or ultrasonic vibrations · 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 codeB29C65/645
Official title{using friction or ultrasonic vibrations}
Display labelusing friction or ultrasonic vibrations
Total patents122

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
20159
20165
201710
201811
201914
202019
202117
202211
202313
20248
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 B29C65/645?
CPC B29C65/645 is the Cooperative Patent Classification code for “using friction or ultrasonic vibrations.”
How many patents are filed under CPC B29C65/645 (using friction or ultrasonic vibrations)?
Our database includes 122 publications tagged with this CPC code.
Is patent activity under CPC B29C65/645 growing?
Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).