- 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: 399
10-year publication summary
|
35
|
37
|
32
|
33
|
29
|
36
|
33
|
25
|
26
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Steelcase Inc. | 1282 |
74 |
| Okamura Corporation | 498 |
19 |
| HNI Technologies Inc. | 307 |
14 |
| Pro-Cord S.p.A. | 47 |
14 |
| MillerKnoll, Inc. | 549 |
12 |
| Rocking Inc. | 29 |
11 |
| PNC Bank | 124 |
9 |
| Formway Furniture Limited | 71 |
7 |
| Cramer LLC. | 15 |
6 |
| Kokuyo Co., Ltd. | 241 |
6 |
| Sidiz, Inc. | 70 |
6 |
| Aaron DeJule | 7 |
6 |
| Ekornes ASA | 52 |
5 |
| Knoll, Inc. | 362 |
5 |
| La-Z-Boy Incorporated | 261 |
5 |
| Bock 1 GmbH & Co. KG | 45 |
4 |
| Corecentric LLC | 5 |
4 |
| LCL Enterprises, Inc. | 7 |
4 |
| Takano Co., Ltd. | 84 |
4 |
| Access Enterprise, LLC | 6 |
3 |
| Other owners | 181 |