- All sections
- A - Human necessities
- A47C - Chairssofasbeds
- A47C 3/20 - Chairs or stools with vertically-adjustable seats
Patent holdings for IPC class A47C 3/20
Total number of patents in this class: 226
10-year publication summary
|
27
|
29
|
25
|
30
|
24
|
20
|
17
|
16
|
19
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Steelcase Inc. | 1290 |
26 |
| Stryker Corporation | 5744 |
10 |
| Formway Furniture Limited | 66 |
6 |
| Fellowes, Inc. | 373 |
5 |
| Golden Technologies, Inc. | 35 |
4 |
| Spliced IP Ltd. | 4 |
4 |
| Ningbo Tenghao Electronics Co., Ltd. | 4 |
4 |
| A-Dec, Inc. | 130 |
3 |
| HNI Technologies Inc. | 308 |
3 |
| Inventor Group GmbH | 17 |
3 |
| Sauder Manufacturing Co. | 27 |
3 |
| Auris Health, Inc. | 1415 |
3 |
| Anthro Form, LLC | 32 |
3 |
| Ström Ergonomics Corp. | 7 |
3 |
| Hidrau Model, S.L. | 9 |
2 |
| La-Z-Boy Incorporated | 259 |
2 |
| Motion Concepts Canada | 3 |
2 |
| Safety Lift Chair Associates, LLC | 2 |
2 |
| Stabilus GmbH | 249 |
2 |
| Zhejiang Linix Motor Co., Ltd. | 91 |
2 |
| Other owners | 134 |