- 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: 118
10-year publication summary
|
10
|
12
|
10
|
12
|
10
|
6
|
7
|
9
|
5
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Steelcase Inc. | 1291 |
19 |
| Krueger International, Inc. | 382 |
7 |
| MillerKnoll, Inc. | 569 |
6 |
| Nike, Inc. | 14994 |
5 |
| Formway Furniture Limited | 62 |
5 |
| aeris GmbH | 85 |
3 |
| Pro-Cord S.p.A. | 47 |
3 |
| Arper S.p.A. | 116 |
2 |
| Haworth, Inc. | 202 |
2 |
| IVOPLAST Srl | 3 |
2 |
| Knoll, Inc. | 358 |
2 |
| Nardi SpA | 42 |
2 |
| PRS Medical Technologies, Inc. | 28 |
2 |
| Anthro Form, LLC | 32 |
2 |
| Positron Voyager, Inc. | 2 |
2 |
| All33 LLC | 9 |
2 |
| Cinemex Holdings USA, Inc. | 12 |
2 |
| Aichi Co., Ltd. | 83 |
1 |
| Nissan Motor Co., Ltd. | 13107 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 15535 |
1 |
| Other owners | 47 |