What is CPC D06F37/145?

CPC D06F37/145 is the Cooperative Patent Classification code for “ribs or lifters having means for circulating the washing liquid.”

How many patents are filed under CPC D06F37/145 (ribs or lifters having means for circulating the washing liquid)?

Our database includes 98 publications tagged with this CPC code.

Publication counts under this code: 15 in 2024 vs 2 in 2025 (latest complete years).

ribs or lifters having means for circulating the washing liquid · Cooperative Patent Classification (CPC)

Textile and paper production, treatment, and products.

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	D06F37/145
Official title	{ribs or lifters having means for circulating the washing liquid}
Display label	ribs or lifters having means for circulating the washing liquid
Total patents	98

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

Filing activity over the last five years is rapidly 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 D06F37/145?: CPC D06F37/145 is the Cooperative Patent Classification code for “ribs or lifters having means for circulating the washing liquid.”
How many patents are filed under CPC D06F37/145 (ribs or lifters having means for circulating the washing liquid)?: Our database includes 98 publications tagged with this CPC code.
Is patent activity under CPC D06F37/145 growing?: Publication counts under this code: 15 in 2024 vs 2 in 2025 (latest complete years).