- 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: 646
10-year publication summary
|
69
|
80
|
81
|
91
|
73
|
77
|
68
|
48
|
42
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sleep Number Corporation | 531 |
59 |
| Dewertokin GmbH | 76 |
38 |
| Dewertokin Technology Group Co., Ltd. | 185 |
32 |
| NISCO Co., Ltd | 41 |
28 |
| Ergomotion, Inc. | 87 |
27 |
| Paramount Bed Co., Ltd. | 244 |
24 |
| LOGICDATA Electronic & Software Entwicklungs GmbH | 131 |
19 |
| Linak A/S | 353 |
19 |
| L & P Property Management Company | 924 |
18 |
| Ascion, LLC | 50 |
17 |
| Dreamwell, Ltd. | 397 |
17 |
| Keeson Technology Corporation Limited | 119 |
15 |
| Hill-Rom Services, Inc. | 1122 |
14 |
| de Werth Group AG | 16 |
11 |
| Motus Mechanics Limited | 13 |
11 |
| Purple Innovation, LLC | 335 |
9 |
| Tempur World, LLC | 222 |
8 |
| Ulife Healthcare Inc | 17 |
8 |
| Bedjet, LLC | 35 |
7 |
| LG Electronics Inc. | 71944 |
6 |
| Other owners | 259 |