Chair, control method, and storage medium
US-12520946-B2 · Jan 13, 2026 · US
Stools for specified purposes
Stools for specified purposes · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A47C9/00 |
| Official title | Stools for specified purposes |
| Display label | Stools for specified purposes |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 8 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Shower chair with ergonomic support and washdown features
US-12478221-B2 · Nov 25, 2025 · US
Awakening inducing device and awakening inducing system
US-12268821-B2 · Apr 8, 2025 · US
Shower chair
US-D1043210-S · Sep 24, 2024 · US
Chair, control method, and storage medium
US-2024049886-A1 · Feb 15, 2024 · US
Shower chair with ergonomic support and washdown features
US-2023397775-A1 · Dec 14, 2023 · US
Shower chair with ergonomic support and washdown features
US-11771269-B2 · Oct 3, 2023 · US
Microclimate control systems and methods
US-11744376-B2 · Sep 5, 2023 · US
Ergonomic method for working in confined work spaces
US-11723469-B2 · Aug 15, 2023 · US
Microclimate control systems and methods
US-2023232992-A9 · Jul 27, 2023 · US
Ergonomic Method for Working in Confined Work Spaces
US-2023180935-A1 · Jun 15, 2023 · US
Wearable chair
US-11627810-B2 · Apr 18, 2023 · US
Awakening inducing device and awakening inducing system
US-2023016979-A1 · Jan 19, 2023 · US
Folding stool or folding table and folding frame thereof
US-11478071-B2 · Oct 25, 2022 · US
Sidekick stool
US-11470973-B1 · Oct 18, 2022 · US
Wearable chair with truss structure
US-11357333-B2 · Jun 14, 2022 · US
Shower chair with ergonomic support and washdown features
US-2022047123-A1 · Feb 17, 2022 · US
Wearable chair
US-11197553-B2 · Dec 14, 2021 · US
Wearable Chair with Truss Structure
US-2021368991-A1 · Dec 2, 2021 · US
Wearable chair
US-2021220988-A1 · Jul 22, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A47C9/00?
- CPC A47C9/00 is the Cooperative Patent Classification code for “Stools for specified purposes.”
- How many patents are filed under CPC A47C9/00 (Stools for specified purposes)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC A47C9/00 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).