by controlling air intake into infusion reservoir (needle sets with air inlet A61M5/162)

by controlling air intake into infusion reservoir (needle sets with air inlet A61M5/162) · 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 codeA61M5/16822
Official title{by controlling air intake into infusion reservoir (needle sets with air inlet A61M5/162)}
Display labelby controlling air intake into infusion reservoir (needle sets with air inlet A61M5/162)
Total patents50

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20154
20163
20172
20185
20197
20204
20216
20223
20233
20249
20253
20261

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 A61M5/16822?
CPC A61M5/16822 is the Cooperative Patent Classification code for “by controlling air intake into infusion reservoir (needle sets with air inlet A61M5/162).”
How many patents are filed under CPC A61M5/16822 (by controlling air intake into infusion reservoir (needle sets with air inlet A61M5/162))?
Our database includes 50 publications tagged with this CPC code.
Is patent activity under CPC A61M5/16822 growing?
Publication counts under this code: 9 in 2024 vs 3 in 2025 (latest complete years).