- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21S - Non-portable lighting devicessystems thereofvehicle lighting devices specially adapted for vehicle exteriors
- F21S 4/10 - Lighting devices or systems using a string or strip of light sources with light sources attached to loose electric cables, e.g. Christmas tree lights
Patent holdings for IPC class F21S 4/10
Total number of patents in this class: 478
10-year publication summary
|
55
|
88
|
75
|
60
|
80
|
62
|
48
|
66
|
101
|
44
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Willis Electric Co., Ltd. | 94 |
55 |
| Belgravia Wood Limited | 142 |
19 |
| Polygroup Macau Limited (BVI) | 108 |
16 |
| Seasons 4 Inc. | 38 |
12 |
| Foot-candle, LLC | 12 |
12 |
| Blooming International Limited | 21 |
10 |
| Shangyou Jiayi Lighting Product Co., Ltd. | 39 |
9 |
| Jiangsu Feitian Lighting Co., Ltd. | 18 |
9 |
| Seasonal Specialties, LLC | 85 |
8 |
| Ledup Manufacturing Group Ltd. | 25 |
8 |
| Zhuhai Bojay Electronics Co., Ltd. | 15 |
7 |
| Cosmo Lighting Inc. | 14 |
6 |
| National Christmas Products LLC | 75 |
6 |
| Belgravia Wood Limited | 54 |
6 |
| Dongguan Yongfeng Lighting Co., Ltd | 6 |
6 |
| Global Industries Holdings, Ltd. | 24 |
5 |
| Jiangmen City Shengda Lighting Co., Ltd. | 19 |
5 |
| Dongguan Miray E-Tech Co.,Ltd | 14 |
4 |
| Gemmy Industries Corporation | 66 |
4 |
| Lamplight Farms Incorporated | 110 |
4 |
| Other owners | 267 |