- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21W - Indexing scheme associated with subclasses , , and , relating to uses or applications of lighting devices or systems
- F21W 131/305 - Lighting for domestic or personal use for refrigerators
Patent holdings for IPC class F21W 131/305
Total number of patents in this class: 198
10-year publication summary
|
22
|
16
|
18
|
26
|
14
|
10
|
10
|
21
|
7
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 72473 |
54 |
| Whirlpool Corporation | 4387 |
19 |
| BSH Hausgeräte GmbH | 5505 |
14 |
| Lighting Defense Group, LLC | 41 |
12 |
| Samsung Electronics Co., Ltd. | 144143 |
8 |
| emz-Hanauer GmbH & Co. KGaA | 118 |
8 |
| Electrolux Consumer Products, Inc. | 833 |
6 |
| Seoul Semiconductor Co., Ltd. | 1080 |
5 |
| Self Electronics Co., Ltd. | 162 |
4 |
| Koninklijke Philips Electronics N.V. | 10018 |
3 |
| Electraled, Inc. | 30 |
3 |
| Gemtron Corporation | 19 |
3 |
| Hefei Hualing Co., Ltd. | 483 |
3 |
| Hussmann Corporation | 226 |
3 |
| Liebherr-Hausgerate Ochsenhausen GmbH | 69 |
3 |
| Samsung Display Co., Ltd. | 34230 |
2 |
| Sharp Corporation | 10293 |
2 |
| Mitsubishi Electric Corporation | 45811 |
2 |
| OSRAM SYLVANIA Inc. | 685 |
2 |
| ABL IP Holding LLC | 1902 |
2 |
| Other owners | 40 |