- All sections
- A - Human necessities
- A47C - Chairssofasbeds
- A47C 3/38 - Chairs or stools with vertically-adjustable seats with additional seat or additional legs for varying height of seat
Patent holdings for IPC class A47C 3/38
Total number of patents in this class: 8
10-year publication summary
|
2
|
1
|
1
|
3
|
0
|
0
|
0
|
0
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Woobo Tech Co., Ltd. | 106 |
2 |
| Smith System Manufacturing Company Inc. | 7 |
2 |
| Easydoing Oy | 7 |
1 |
| MasterCraft Boat Company, LLC | 211 |
1 |
| Samhongsa Co., Ltd. | 35 |
1 |
| Shenzhen Autral Technology Innovation Co., Ltd. | 33 |
1 |
| Other owners | 0 |