the chambers moving in an endless path

the chambers moving in an endless path · 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 codeB65B31/022
Official title{the chambers moving in an endless path}
Display labelthe chambers moving in an endless path
Total patents27

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
20151
20162
20172
20185
20192
20205
20213
20223
20232
20241
20251

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 B65B31/022?
CPC B65B31/022 is the Cooperative Patent Classification code for “the chambers moving in an endless path.”
How many patents are filed under CPC B65B31/022 (the chambers moving in an endless path)?
Our database includes 27 publications tagged with this CPC code.
Is patent activity under CPC B65B31/022 growing?
Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).