Internal ear or nose parts, e.g. ear-drums {(implants for middle ear ventilation or drainage A61F11/202)}

Internal ear or nose parts, e.g. ear-drums {(implants for middle ear ventilation or drainage A61F11/202)} · 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 codeA61F2/18
Official titleInternal ear or nose parts, e.g. ear-drums {(implants for middle ear ventilation or drainage A61F11/202)}
Display labelInternal ear or nose parts, e.g. ear-drums {(implants for middle ear ventilation or drainage A61F11/202)}
Total patents201

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
201518
201616
201718
201821
201925
202024
202122
202215
202322
202410
20258
20262

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 A61F2/18?
CPC A61F2/18 is the Cooperative Patent Classification code for “Internal ear or nose parts, e.g. ear-drums {(implants for middle ear ventilation or drainage A61F11/202)}.”
How many patents are filed under CPC A61F2/18 (Internal ear or nose parts, e.g. ear-drums {(implants for middle ear ventilation or drainage A61F11/202)})?
Our database includes 201 publications tagged with this CPC code.
Is patent activity under CPC A61F2/18 growing?
Publication counts under this code: 10 in 2024 vs 8 in 2025 (latest complete years).