- All sections
- A - Human necessities
- A47B - Tablesdesksoffice furniturecabinetsdrawersgeneral details of furniture
- A47B 13/02 - Underframes
Patent holdings for IPC class A47B 13/02
Total number of patents in this class: 408
10-year publication summary
|
46
|
46
|
58
|
47
|
52
|
36
|
44
|
50
|
46
|
28
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Steelcase Inc. | 1281 |
14 |
| Okamura Corporation | 498 |
11 |
| Knoll, Inc. | 361 |
8 |
| Zhejiang Jiecang Linear Motion Technology Co., Ltd. | 109 |
8 |
| Changzhou Kaidi Electrical Inc. | 18 |
8 |
| Changzhou Kaidi Electrical Co., Ltd. | 18 |
7 |
| Ergotron, Inc. | 313 |
7 |
| Lifetime Products, Inc. | 399 |
7 |
| Poppin, Inc. | 51 |
6 |
| Timotion Technology Co., Ltd. | 270 |
6 |
| Linak A/S | 339 |
6 |
| Siso A/S | 14 |
6 |
| Fellowes, Inc. | 372 |
5 |
| Cknapp Sales Inc. | 183 |
4 |
| Hgci, Inc. | 155 |
4 |
| No Rock Cafe Tables Pty Ltd | 13 |
4 |
| VEYHL GmbH | 20 |
4 |
| Workrite Ergonomics, LLC | 15 |
4 |
| Zhejiang Yotrio Group Co., Ltd. | 112 |
4 |
| Ningbo Healthkey Motion Technology Co., Ltd | 13 |
4 |
| Other owners | 281 |