with means for removing dust or tar from the gas

with means for removing dust or tar from the gas · 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 codeC10J3/84
Official titlewith means for removing dust or tar from the gas
Display labelwith means for removing dust or tar from the gas
Total patents212

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201540
201630
201724
201813
201919
202016
202115
202215
202317
20246
202515
20262

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 C10J3/84?
CPC C10J3/84 is the Cooperative Patent Classification code for “with means for removing dust or tar from the gas.”
How many patents are filed under CPC C10J3/84 (with means for removing dust or tar from the gas)?
Our database includes 212 publications tagged with this CPC code.
Is patent activity under CPC C10J3/84 growing?
Publication counts under this code: 6 in 2024 vs 15 in 2025 (latest complete years).