Protective devices for the ears

Protective devices for the ears · 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 codeA61F11/06
Official titleProtective devices for the ears
Display labelProtective devices for the ears
Total patents63

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
20184
201917
20209
20219
20228
20237
20242
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 A61F11/06?
CPC A61F11/06 is the Cooperative Patent Classification code for “Protective devices for the ears.”
How many patents are filed under CPC A61F11/06 (Protective devices for the ears)?
Our database includes 63 publications tagged with this CPC code.
Is patent activity under CPC A61F11/06 growing?
Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).