using phonon wave energy, e.g. sound or ultrasonic waves

using phonon wave energy, e.g. sound or ultrasonic waves · Cooperative Patent Classification (CPC)

Agriculture, food, personal care, health, and life sciences.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeA23L5/32
Official title{using phonon wave energy, e.g. sound or ultrasonic waves}
Display labelusing phonon wave energy, e.g. sound or ultrasonic waves
Total patents99

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
201510
20169
20179
20184
201910
20209
202113
20226
202312
20247
20257
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 A23L5/32?
CPC A23L5/32 is the Cooperative Patent Classification code for “using phonon wave energy, e.g. sound or ultrasonic waves.”
How many patents are filed under CPC A23L5/32 (using phonon wave energy, e.g. sound or ultrasonic waves)?
Our database includes 99 publications tagged with this CPC code.
Is patent activity under CPC A23L5/32 growing?
Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).