Chairs or stools with vertically-adjustable seats

Chairs or stools with vertically-adjustable seats · 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 codeA47C3/20
Official titleChairs or stools with vertically-adjustable seats
Display labelChairs or stools with vertically-adjustable seats
Total patents167

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
201528
201619
201714
201815
201923
202019
202114
202211
20238
20247
20258
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 A47C3/20?
CPC A47C3/20 is the Cooperative Patent Classification code for “Chairs or stools with vertically-adjustable seats.”
How many patents are filed under CPC A47C3/20 (Chairs or stools with vertically-adjustable seats)?
Our database includes 167 publications tagged with this CPC code.
Is patent activity under CPC A47C3/20 growing?
Publication counts under this code: 7 in 2024 vs 8 in 2025 (latest complete years).