- 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: 241
10-year publication summary
|
29
|
22
|
41
|
26
|
22
|
19
|
22
|
17
|
23
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| airweave inc. | 47 |
17 |
| C-eng Co., Ltd. | 32 |
15 |
| Toyobo Co., Ltd. | 2478 |
15 |
| Dreamwell, Ltd. | 396 |
9 |
| Serta Simmons Bedding, LLC | 18 |
6 |
| IndraTech LLC | 13 |
5 |
| King Koil Licensing Company, Inc. | 90 |
5 |
| Sealy Technology LLC | 356 |
5 |
| Lear Corporation | 1272 |
4 |
| TS Tech Co., Ltd. | 1471 |
4 |
| Purple Innovation, LLC | 341 |
4 |
| Sleep Number Corporation | 541 |
4 |
| Kaneka Corporation | 4487 |
3 |
| Polygroup Macau Limited (BVI) | 107 |
3 |
| Soft-Tex International Inc. | 29 |
3 |
| Bayerische Motoren Werke Aktiengesellschaft | 14247 |
2 |
| Toray Industries, Inc. | 6886 |
2 |
| Bedgear LLC | 263 |
2 |
| Diamond Mattress Company, Inc. | 44 |
2 |
| Ergomotion, Inc. | 89 |
2 |
| Other owners | 129 |