- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21V - Functional features or details of lighting devices or systems thereof; structural combinations of lighting devices with other articles, not otherwise provided for
- F21V 21/002 - Supporting, suspending, or attaching arrangements for lighting devices; Hand grips making direct electrical contact, e.g. by piercing
Patent holdings for IPC class F21V 21/002
Total number of patents in this class: 274
10-year publication summary
|
27
|
27
|
23
|
18
|
27
|
22
|
36
|
29
|
20
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Willis Electric Co., Ltd. | 91 |
12 |
| Opple Lighting Co., Ltd. | 698 |
9 |
| DVA Holdings LLC | 37 |
8 |
| Suzhou Opple Lighting Co., Ltd. | 479 |
7 |
| Zumtobel Lighting GmbH | 701 |
6 |
| DVA Mayday Corporation, DBA Deltavation | 31 |
5 |
| Signify Holding B.V. | 6837 |
5 |
| Zhuhai Bojay Electronics Co., Ltd. | 22 |
5 |
| M3 Innovation, LLC | 13 |
5 |
| Elemental LED, Inc. | 165 |
4 |
| Epistar Corporation | 1553 |
4 |
| Metrex Research, LLC | 77 |
4 |
| OPTOTRONIC GmbH | 198 |
4 |
| Yazaki Corporation | 6282 |
3 |
| CE Lighting Ltd. | 42 |
3 |
| Daw SE | 591 |
3 |
| Erogear, Inc. | 4 |
3 |
| Leedarson Lighting Co., Ltd. | 119 |
3 |
| Leviton Manufacturing Co., Inc. | 844 |
3 |
| Tridonic GmbH & Co KG | 922 |
3 |
| Other owners | 175 |