- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21V - Functional features or details of lighting devices or systems thereofstructural combinations of lighting devices with other articles, not otherwise provided for
- F21V 1/22 - Covers for framesFrameless shades characterised by the material the material being plastics
Patent holdings for IPC class F21V 1/22
Total number of patents in this class: 40
10-year publication summary
|
13
|
9
|
9
|
2
|
3
|
3
|
4
|
4
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 8118 |
8 |
| Seoul Viosys Co., Ltd. | 1565 |
6 |
| 3form, LLC | 188 |
5 |
| Design and Deliver, LLC | 6 |
3 |
| Eaton Intelligent Power Limited | 6268 |
3 |
| GPC Lampsheid, S.L. | 2 |
2 |
| Apple Inc. | 59027 |
1 |
| The Regents of the University of California | 20815 |
1 |
| Express Imaging Systems, LLC | 96 |
1 |
| GE Lighting Solutions, LLC | 177 |
1 |
| Haworth GmbH | 23 |
1 |
| IKEA Supply AG | 213 |
1 |
| Opple Lighting Co., Ltd. | 924 |
1 |
| SATA GmbH & Co. KG | 541 |
1 |
| Wanhua Chemical Group Co., Ltd. | 388 |
1 |
| LF Illumination LLC | 1 |
1 |
| Claus Hencken | 1 |
1 |
| Link | 2 |
1 |
| Ningbo Dongxing Electric Co., Ltd | 6 |
1 |
| Other owners | 0 |