- All sections
- A - Human necessities
- A47C - Chairssofasbeds
- A47C 20/04 - Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
Patent holdings for IPC class A47C 20/04
Total number of patents in this class: 718
10-year publication summary
|
80
|
81
|
91
|
73
|
79
|
69
|
50
|
44
|
54
|
46
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sleep Number Corporation | 613 |
70 |
| Dewertokin GmbH | 77 |
38 |
| NISCO Co., Ltd | 47 |
33 |
| Dewertokin Technology Group Co., Ltd. | 205 |
33 |
| Ergomotion, Inc. | 94 |
31 |
| Paramount Bed Co., Ltd. | 263 |
25 |
| L & P Property Management Company | 929 |
20 |
| LOGICDATA Electronic & Software Entwicklungs GmbH | 126 |
18 |
| Ascion, LLC | 55 |
17 |
| Dreamwell, Ltd. | 407 |
17 |
| Keeson Technology Corporation Limited | 119 |
15 |
| Linak A/S | 339 |
15 |
| Hill-Rom Services, Inc. | 1166 |
14 |
| Star Seeds Co., Ltd. | 36 |
13 |
| Pampero AG | 15 |
13 |
| de Werth Group AG | 16 |
12 |
| Motus Mechanics Limited | 12 |
10 |
| Purple Innovation, LLC | 411 |
9 |
| Ulife Healthcare Inc | 21 |
9 |
| LG Electronics Inc. | 75654 |
7 |
| Other owners | 299 |