- 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 21/29 - Pivoted arms adjustable in more than one plane employing universal joints
Patent holdings for IPC class F21V 21/29
Total number of patents in this class: 166
10-year publication summary
|
12
|
10
|
16
|
10
|
10
|
9
|
13
|
21
|
14
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wangs Alliance Corp., DBA WAC Lighting | 229 |
18 |
| Chien, Aaron | 98 |
16 |
| Chien, Te-ju | 98 |
16 |
| Wang, Hsin-yi | 98 |
16 |
| Jack Sealey Limited | 20 |
4 |
| Aaron Chien | 10 |
4 |
| Hsin-Yi Wang | 8 |
4 |
| Te-Ju Chien | 10 |
4 |
| Google LLC | 42942 |
3 |
| Guangzhou Haoyang Electronic Co., Ltd. | 238 |
3 |
| Mind Head LLC | 41 |
3 |
| Signify Holding B.V. | 7671 |
3 |
| Korrus, Inc. | 468 |
3 |
| Pure Forms, LLC | 6 |
3 |
| Kaneka Corporation | 4600 |
2 |
| Jamas Enterprises LLC | 4 |
2 |
| Nanjing Chervon Industry Co., Ltd. | 1120 |
2 |
| Opple Lighting Co., Ltd. | 859 |
2 |
| Qisda Corporation | 487 |
2 |
| Titan3 Technology LLC | 205 |
2 |
| Other owners | 54 |