- 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: 678
10-year publication summary
|
66
|
74
|
78
|
86
|
70
|
76
|
63
|
48
|
42
|
49
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sleep Number Corporation | 553 |
65 |
| Dewertokin GmbH | 77 |
38 |
| Dewertokin Technology Group Co., Ltd. | 197 |
33 |
| NISCO Co., Ltd | 41 |
30 |
| Ergomotion, Inc. | 91 |
29 |
| Paramount Bed Co., Ltd. | 253 |
24 |
| L & P Property Management Company | 934 |
19 |
| LOGICDATA Electronic & Software Entwicklungs GmbH | 130 |
19 |
| Linak A/S | 355 |
18 |
| Ascion, LLC | 52 |
17 |
| Dreamwell, Ltd. | 399 |
17 |
| Keeson Technology Corporation Limited | 120 |
15 |
| Hill-Rom Services, Inc. | 1125 |
14 |
| de Werth Group AG | 16 |
12 |
| Star Seeds Co., Ltd. | 32 |
11 |
| Motus Mechanics Limited | 12 |
10 |
| Purple Innovation, LLC | 364 |
9 |
| Ulife Healthcare Inc | 19 |
9 |
| Tempur World, LLC | 223 |
8 |
| Bedjet, LLC | 34 |
7 |
| Other owners | 274 |