with ejectors, e.g. connected to motor vehicle exhaust

with ejectors, e.g. connected to motor vehicle exhaust · Cooperative Patent Classification (CPC)

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

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeA47L5/18
Official titlewith ejectors, e.g. connected to motor vehicle exhaust
Display labelwith ejectors, e.g. connected to motor vehicle exhaust
Total patents30

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
20152
20172
20183
20192
20219
20224
20232
20243
20253

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 A47L5/18?
CPC A47L5/18 is the Cooperative Patent Classification code for “with ejectors, e.g. connected to motor vehicle exhaust.”
How many patents are filed under CPC A47L5/18 (with ejectors, e.g. connected to motor vehicle exhaust)?
Our database includes 30 publications tagged with this CPC code.
Is patent activity under CPC A47L5/18 growing?
Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).