What is CPC A47L11/4022?

CPC A47L11/4022 is the Cooperative Patent Classification code for “with means for recycling the dirty liquid (treatment of waste water C02F).”

How many patents are filed under CPC A47L11/4022 (with means for recycling the dirty liquid (treatment of waste water C02F))?

Our database includes 35 publications tagged with this CPC code.

Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).

with means for recycling the dirty liquid (treatment of waste water C02F) · Cooperative Patent Classification (CPC)

Agriculture, food, personal care, health, and life sciences.

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	A47L11/4022
Official title	{with means for recycling the dirty liquid (treatment of waste water C02F)}
Display label	with means for recycling the dirty liquid (treatment of waste water C02F)
Total patents	35

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

Filing activity over the last five years is declining.

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Answers are generated from the same data shown on this page.

What is CPC A47L11/4022?: CPC A47L11/4022 is the Cooperative Patent Classification code for “with means for recycling the dirty liquid (treatment of waste water C02F).”
How many patents are filed under CPC A47L11/4022 (with means for recycling the dirty liquid (treatment of waste water C02F))?: Our database includes 35 publications tagged with this CPC code.
Is patent activity under CPC A47L11/4022 growing?: Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).