- 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: 208
10-year publication summary
|
27
|
27
|
29
|
25
|
29
|
24
|
20
|
17
|
15
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Steelcase Inc. | 1340 |
25 |
| Stryker Corporation | 5034 |
10 |
| Formway Furniture Limited | 73 |
7 |
| Fellowes, Inc. | 356 |
5 |
| Golden Technologies, Inc. | 37 |
4 |
| Spliced IP Ltd. | 4 |
4 |
| Ningbo Tenghao Electronics Co., Ltd. | 4 |
4 |
| A-Dec, Inc. | 118 |
3 |
| HNI Technologies Inc. | 298 |
3 |
| Inventor Group GmbH | 18 |
3 |
| Sauder Manufacturing Co. | 28 |
3 |
| Verb Surgical Inc. | 558 |
3 |
| Anthro Form, LLC | 28 |
3 |
| B & Z Productions, LLC, DBA CrewChair.com | 11 |
2 |
| Hidrau Model, S.L. | 9 |
2 |
| La-Z-Boy Incorporated | 293 |
2 |
| Motion Concepts Canada | 3 |
2 |
| Safety Lift Chair Associates, LLC | 2 |
2 |
| Stabilus GmbH | 218 |
2 |
| Zhejiang Linix Motor Co., Ltd. | 90 |
2 |
| Other owners | 117 |