Pervaporation; Membrane distillation; Liquid permeation

Pervaporation; Membrane distillation; Liquid permeation · 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 codeB01D61/36
Official titlePervaporation; Membrane distillation; Liquid permeation
Display labelPervaporation; Membrane distillation; Liquid permeation
Total patents58

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
20154
20166
201710
20183
20193
20205
20214
20223
20235
20246
20257
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 B01D61/36?
CPC B01D61/36 is the Cooperative Patent Classification code for “Pervaporation; Membrane distillation; Liquid permeation.”
How many patents are filed under CPC B01D61/36 (Pervaporation; Membrane distillation; Liquid permeation)?
Our database includes 58 publications tagged with this CPC code.
Is patent activity under CPC B01D61/36 growing?
Publication counts under this code: 6 in 2024 vs 7 in 2025 (latest complete years).