Multiple effect distillation

Multiple effect distillation · 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 codeB01D3/146
Official title{Multiple effect distillation}
Display labelMultiple effect distillation
Total patents148

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
201516
20161
20178
201815
201931
202031
202119
202212
20238
20245
20252

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 B01D3/146?
CPC B01D3/146 is the Cooperative Patent Classification code for “Multiple effect distillation.”
How many patents are filed under CPC B01D3/146 (Multiple effect distillation)?
Our database includes 148 publications tagged with this CPC code.
Is patent activity under CPC B01D3/146 growing?
Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).