Combinations of similar or different apparatus for separating solids from solids using gas currents

Combinations of similar or different apparatus for separating solids from solids using gas currents · 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 codeB07B9/02
Official titleCombinations of similar or different apparatus for separating solids from solids using gas currents
Display labelCombinations of similar or different apparatus for separating solids from solids using gas currents
Total patents62

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
20155
20163
20178
20186
20198
20207
20218
20227
20233
20244
20253

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 B07B9/02?
CPC B07B9/02 is the Cooperative Patent Classification code for “Combinations of similar or different apparatus for separating solids from solids using gas currents.”
How many patents are filed under CPC B07B9/02 (Combinations of similar or different apparatus for separating solids from solids using gas currents)?
Our database includes 62 publications tagged with this CPC code.
Is patent activity under CPC B07B9/02 growing?
Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).