Air blast devices

Air blast devices · 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 codeB65H29/245
Official title{Air blast devices}
Display labelAir blast devices
Total patents68

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
20158
20165
20175
20187
20196
202011
20217
20226
20236
20244
20252
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 B65H29/245?
CPC B65H29/245 is the Cooperative Patent Classification code for “Air blast devices.”
How many patents are filed under CPC B65H29/245 (Air blast devices)?
Our database includes 68 publications tagged with this CPC code.
Is patent activity under CPC B65H29/245 growing?
Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).