transmitting the vibratory energy by means of a fluid, e.g. by means of air shock waves

transmitting the vibratory energy by means of a fluid, e.g. by means of air shock waves · 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 codeB01F31/87
Official titletransmitting the vibratory energy by means of a fluid, e.g. by means of air shock waves
Display labeltransmitting the vibratory energy by means of a fluid, e.g. by means of air shock waves
Total patents40

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
20153
20166
20174
20182
20195
20205
20215
20223
20232
20241
20254

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 B01F31/87?
CPC B01F31/87 is the Cooperative Patent Classification code for “transmitting the vibratory energy by means of a fluid, e.g. by means of air shock waves.”
How many patents are filed under CPC B01F31/87 (transmitting the vibratory energy by means of a fluid, e.g. by means of air shock waves)?
Our database includes 40 publications tagged with this CPC code.
Is patent activity under CPC B01F31/87 growing?
Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).