- All sections
- A - Human necessities
- A47C - Chairssofasbeds
- A47C 3/021 - Rocking chairs having elastic frames
Patent holdings for IPC class A47C 3/021
Total number of patents in this class: 28
10-year publication summary
|
1
|
0
|
4
|
2
|
6
|
4
|
7
|
2
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Steelcase Inc. | 1336 |
4 |
| MillerKnoll, Inc. | 512 |
3 |
| Maxton Engineering Ltd. | 20 |
2 |
| Cramer LLC. | 17 |
1 |
| Davis Furniture Industries, Inc. | 9 |
1 |
| Denovo Brands, LLC | 51 |
1 |
| Herman Miller, Inc. | 93 |
1 |
| HNI Technologies Inc. | 298 |
1 |
| Inventor Group GmbH | 18 |
1 |
| Itoki Corporation | 91 |
1 |
| Ntnu Technology Transfer AS | 48 |
1 |
| Pro-Cord S.p.A. | 57 |
1 |
| Rio Brands, LLC | 3 |
1 |
| Shelterlogic Corp. | 317 |
1 |
| UE Furniture Co., Ltd. | 63 |
1 |
| Rocking Inc. | 25 |
1 |
| Adient US LLC | 425 |
1 |
| Smartpat PLC | 7 |
1 |
| Libin Chen | 14 |
1 |
| Barrett Studios, Inc. | 3 |
1 |
| Other owners | 2 |