Body support structure
US-2022248856-A1 · Aug 11, 2022 · US
with coil springs
with coil 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 | A47C7/443 |
| Official title | {with coil springs} |
| Display label | with coil springs |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 24 |
| 2016 | 10 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Load support structure
US-2021037977-A1 · Feb 11, 2021 · US
Load support structure
US-10856662-B2 · Dec 8, 2020 · US
Chair arm assembly
US-10835041-B2 · Nov 17, 2020 · US
Chair assembly with upholstery covering
US-2020345142-A1 · Nov 5, 2020 · US
Load support structure
US-10820706-B2 · Nov 3, 2020 · US
Chair assembly with upholstery covering
US-10765212-B2 · Sep 8, 2020 · US
Load support structure
US-2020138195-A1 · May 7, 2020 · US
Chair assembly with upholstery covering
US-2019133322-A1 · May 9, 2019 · US
Chair arm assembly
US-2019133323-A1 · May 9, 2019 · US
Chair arm assembly
US-10213019-B2 · Feb 26, 2019 · US
Control assembly for chair
US-10206507-B2 · Feb 19, 2019 · US
Chair assembly with upholstery covering
US-10165861-B2 · Jan 1, 2019 · US
Load support structure
US-2018317658-A1 · Nov 8, 2018 · US
Load support structure
US-10016060-B2 · Jul 10, 2018 · US
Control assembly for chair
US-2018160813-A1 · Jun 14, 2018 · US
Chair arm assembly
US-2018103759-A1 · Apr 19, 2018 · US
Control assembly for chair
US-9918552-B2 · Mar 20, 2018 · US
Chair arm assembly
US-9872565-B2 · Jan 23, 2018 · US
Chair assembly
US-9861201-B2 · Jan 9, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A47C7/443?
- CPC A47C7/443 is the Cooperative Patent Classification code for “with coil springs.”
- How many patents are filed under CPC A47C7/443 (with coil springs)?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC A47C7/443 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).