- All sections
- A - Human necessities
- A47C - Chairssofasbeds
- A47C 27/12 - Spring, stuffed or fluid mattresses specially adapted for chairs, beds or sofas with fibrous inlays, e.g. made of wool, of cotton
Patent holdings for IPC class A47C 27/12
Total number of patents in this class: 257
10-year publication summary
|
26
|
20
|
37
|
23
|
21
|
17
|
22
|
20
|
23
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| airweave inc. | 51 |
19 |
| C-eng Co., Ltd. | 32 |
15 |
| Toyobo Co., Ltd. | 2468 |
11 |
| Dreamwell, Ltd. | 402 |
9 |
| Serta Simmons Bedding, LLC | 18 |
6 |
| IndraTech LLC | 12 |
5 |
| King Koil Licensing Company, Inc. | 87 |
5 |
| New-Tec Integration (Xiamen) Co., Ltd. | 355 |
5 |
| Sealy Technology LLC | 358 |
5 |
| Lear Corporation | 1307 |
4 |
| TS Tech Co., Ltd. | 1508 |
4 |
| Purple Innovation, LLC | 368 |
4 |
| Sleep Number Corporation | 556 |
4 |
| Toyobo MC Corporation | 477 |
4 |
| Inter IKEA Systems B.V. | 437 |
3 |
| Polygroup Macau Limited (BVI) | 105 |
3 |
| Soft-Tex International Inc. | 23 |
3 |
| Indorama Ventures Mobility Obernburg GmbH | 20 |
3 |
| Bayerische Motoren Werke Aktiengesellschaft | 14638 |
2 |
| Toray Industries, Inc. | 7006 |
2 |
| Other owners | 141 |