the nozzles co-operating with a check valve in the opening of the container or wrapper

the nozzles co-operating with a check valve in the opening of the container or wrapper · 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 codeB65B31/047
Official title{the nozzles co-operating with a check valve in the opening of the container or wrapper}
Display labelthe nozzles co-operating with a check valve in the opening of the container or wrapper
Total patents28

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
20162
20174
20181
20192
20203
20213
20223
20231
20244
20252

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 B65B31/047?
CPC B65B31/047 is the Cooperative Patent Classification code for “the nozzles co-operating with a check valve in the opening of the container or wrapper.”
How many patents are filed under CPC B65B31/047 (the nozzles co-operating with a check valve in the opening of the container or wrapper)?
Our database includes 28 publications tagged with this CPC code.
Is patent activity under CPC B65B31/047 growing?
Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).