- All sections
- A - Human necessities
- A47C - Chairssofasbeds
- A47C 7/44 - Supports for the head or the back for the back with elastically-mounted frame
Patent holdings for IPC class A47C 7/44
Total number of patents in this class: 375
10-year publication summary
|
41
|
33
|
36
|
31
|
33
|
28
|
33
|
33
|
22
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Steelcase Inc. | 1337 |
71 |
| Okamura Corporation | 502 |
17 |
| HNI Technologies Inc. | 297 |
14 |
| Pro-Cord S.p.A. | 50 |
14 |
| MillerKnoll, Inc. | 523 |
12 |
| PNC Bank | 139 |
10 |
| Rocking Inc. | 25 |
8 |
| Formway Furniture Limited | 74 |
7 |
| Cramer LLC. | 17 |
6 |
| Kokuyo Co., Ltd. | 229 |
6 |
| Bock 1 GmbH & Co. KG | 47 |
5 |
| Ekornes ASA | 59 |
5 |
| Knoll, Inc. | 368 |
5 |
| La-Z-Boy Incorporated | 284 |
5 |
| Sidiz, Inc. | 60 |
5 |
| Aaron DeJule | 6 |
5 |
| Corecentric LLC | 5 |
4 |
| LCL Enterprises, Inc. | 14 |
4 |
| Takano Co., Ltd. | 86 |
4 |
| Access Enterprise, LLC | 6 |
3 |
| Other owners | 165 |