Characterising MEMS devices, e.g. measuring and identifying electrical or mechanical constants

Characterising MEMS devices, e.g. measuring and identifying electrical or mechanical constants · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB81C99/003
Official title{Characterising MEMS devices, e.g. measuring and identifying electrical or mechanical constants}
Display labelCharacterising MEMS devices, e.g. measuring and identifying electrical or mechanical constants
Total patents76

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
201511
201611
20177
20188
201912
20206
20215
20224
20232
20245
20252
20263

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 B81C99/003?
CPC B81C99/003 is the Cooperative Patent Classification code for “Characterising MEMS devices, e.g. measuring and identifying electrical or mechanical constants.”
How many patents are filed under CPC B81C99/003 (Characterising MEMS devices, e.g. measuring and identifying electrical or mechanical constants)?
Our database includes 76 publications tagged with this CPC code.
Is patent activity under CPC B81C99/003 growing?
Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).