- All sections
- A - Human necessities
- A47C - Chairssofasbeds
- A47C 3/22 - Chairs or stools with vertically-adjustable seats with balancing device, e.g. by spring, by weight
Patent holdings for IPC class A47C 3/22
Total number of patents in this class: 21
10-year publication summary
|
2
|
4
|
5
|
4
|
2
|
7
|
1
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Knoll, Inc. | 374 |
4 |
| aeris GmbH | 90 |
2 |
| Dauphin Entwicklungs- und Beteiligungs GmbH | 7 |
1 |
| Davis Furniture Industries, Inc. | 9 |
1 |
| Grand Rapids Controls Company, LLC | 7 |
1 |
| Inventor Group GmbH | 18 |
1 |
| Kammok Holdings, LLC | 15 |
1 |
| Kinema GmbH | 7 |
1 |
| Kokuyo Co., Ltd. | 214 |
1 |
| Exokinetics, Inc. | 14 |
1 |
| Aldavida, Inc. | 3 |
1 |
| Trica Inc. | 4 |
1 |
| Sitworxx O.g. | 4 |
1 |
| Shenzhen Andiya Industrial Products Technology Development Co., Ltd. | 1 |
1 |
| Yiwu Locyop Household Product co., Ltd | 18 |
1 |
| Vitra AG | 339 |
1 |
| MillerKnoll, Inc. | 504 |
1 |
| Other owners | 0 |