PatentsDB

Removing particles, e.g. by scrubbing, dedusting

Removing particles, e.g. by scrubbing, dedusting · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC21B2100/44
Official titleRemoving particles, e.g. by scrubbing, dedusting
Display labelRemoving particles, e.g. by scrubbing, dedusting
Total patents74

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20151
20166
20175
20185
20191
20204
20212
20226
20239
202419
202512
20264

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 C21B2100/44?
CPC C21B2100/44 is the Cooperative Patent Classification code for “Removing particles, e.g. by scrubbing, dedusting.”
How many patents are filed under CPC C21B2100/44 (Removing particles, e.g. by scrubbing, dedusting)?
Our database includes 74 publications tagged with this CPC code.
Is patent activity under CPC C21B2100/44 growing?
Publication counts under this code: 19 in 2024 vs 12 in 2025 (latest complete years).