Elastic module with large supporting area and elastic mattress
US-2025288122-A1 · Sep 18, 2025 · US
using wound springs
using wound springs · 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 | A47C23/043 |
| Official title | using wound springs |
| Display label | using wound springs |
| Total patents | 56 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 10 |
| 2022 | 8 |
| 2023 | 8 |
| 2024 | 7 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Open coil spring assemblies
US-12398775-B2 · Aug 26, 2025 · US
Open coil spring assemblies
US-12398774-B2 · Aug 26, 2025 · US
Open coil spring assemblies
US-12385542-B2 · Aug 12, 2025 · US
Mattress assembly and method
US-2025064222-A1 · Feb 27, 2025 · US
Elastic pad, elastic pad assembling method and furniture
US-12226019-B2 · Feb 18, 2025 · US
Bed
US-12226018-B2 · Feb 18, 2025 · US
Mattress assembly and method
US-12137812-B2 · Nov 12, 2024 · US
Open coil spring assemblies
US-12135066-B2 · Nov 5, 2024 · US
Automatic adaptive comfort for bunk mattress
US-12127683-B2 · Oct 29, 2024 · US
Open coil spring assemblies
US-2024280154-A1 · Aug 22, 2024 · US
Open coil spring assemblies
US-2024280155-A1 · Aug 22, 2024 · US
Open coil spring assemblies
US-2024280156-A1 · Aug 22, 2024 · US
Bed
US-11896131-B2 · Feb 13, 2024 · US
Elastic pad, elastic pad assembling method and furniture
US-2023404280-A1 · Dec 21, 2023 · US
Bed
US-11786046-B2 · Oct 17, 2023 · US
Bed
US-11779125-B2 · Oct 10, 2023 · US
Bed
US-11779126-B2 · Oct 10, 2023 · US
Spring core
US-11717092-B2 · Aug 8, 2023 · US
Open coil spring assemblies
US-11608869-B1 · Mar 21, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A47C23/043?
- CPC A47C23/043 is the Cooperative Patent Classification code for “using wound springs.”
- How many patents are filed under CPC A47C23/043 (using wound springs)?
- Our database includes 56 publications tagged with this CPC code.
- Is patent activity under CPC A47C23/043 growing?
- Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).