Treating effluent gases

Treating effluent gases · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH01J37/32844
Official title{Treating effluent gases}
Display labelTreating effluent gases
Total patents195

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201515
201612
201720
201815
201916
202016
202121
202218
202319
202414
202526
20263

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 H01J37/32844?
CPC H01J37/32844 is the Cooperative Patent Classification code for “Treating effluent gases.”
How many patents are filed under CPC H01J37/32844 (Treating effluent gases)?
Our database includes 195 publications tagged with this CPC code.
Is patent activity under CPC H01J37/32844 growing?
Publication counts under this code: 14 in 2024 vs 26 in 2025 (latest complete years).