What is CPC A45D24/28?

CPC A45D24/28 is the Cooperative Patent Classification code for “with piston pump {or other types of pumps}.”

How many patents are filed under CPC A45D24/28 (with piston pump {or other types of pumps})?

Our database includes 31 publications tagged with this CPC code.

Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).

with piston pump {or other types of pumps} · 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	A45D24/28
Official title	with piston pump {or other types of pumps}
Display label	with piston pump {or other types of pumps}
Total patents	31

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

Filing activity over the last five years is rapidly growing.

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 A45D24/28?: CPC A45D24/28 is the Cooperative Patent Classification code for “with piston pump {or other types of pumps}.”
How many patents are filed under CPC A45D24/28 (with piston pump {or other types of pumps})?: Our database includes 31 publications tagged with this CPC code.
Is patent activity under CPC A45D24/28 growing?: Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).