- All sections
- A - Human necessities
- A47C - Chairssofasbeds
- A47C 3/12 - Chairs characterised by structural featuresChairs or stools with rotatable or vertically-adjustable seats with shell-shaped seat and back-rest unit, e.g. having arm-rests
Patent holdings for IPC class A47C 3/12
Total number of patents in this class: 109
10-year publication summary
|
15
|
10
|
12
|
10
|
12
|
10
|
6
|
7
|
7
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Steelcase Inc. | 1333 |
18 |
| MillerKnoll, Inc. | 501 |
6 |
| Formway Furniture Limited | 77 |
5 |
| Krueger International, Inc. | 373 |
5 |
| Nike, Inc. | 13657 |
4 |
| Arper S.p.A. | 127 |
3 |
| Pro-Cord S.p.A. | 58 |
3 |
| aeris GmbH | 90 |
2 |
| iPic-Gold Class Entertainment, LLC | 6 |
2 |
| IVOPLAST Srl | 3 |
2 |
| Knoll, Inc. | 374 |
2 |
| Nardi SpA | 33 |
2 |
| PRS Medical Technologies, Inc. | 31 |
2 |
| Anthro Form, LLC | 22 |
2 |
| Positron Voyager, Inc. | 5 |
2 |
| All33 LLC | 12 |
2 |
| Aichi Co., Ltd. | 84 |
1 |
| Nissan Motor Co., Ltd. | 12352 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 13863 |
1 |
| ACE Bayou Corp. | 55 |
1 |
| Other owners | 43 |