- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21L - Lighting devices or systems thereof, being portable or specially adapted for transportation
- F21L 4/08 - Electric lighting devices with self-contained electric batteries or cells characterised by means for in situ recharging of the batteries or cells
Patent holdings for IPC class F21L 4/08
Total number of patents in this class: 385
10-year publication summary
|
59
|
79
|
82
|
69
|
105
|
76
|
66
|
45
|
55
|
9
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Streamlight, Inc. | 385 |
21 |
| Milwaukee Electric Tool Corporation | 3032 |
20 |
| MPOWERD, Inc. | 34 |
16 |
| MAG Instrument, Inc. | 184 |
13 |
| Vector Products, Inc. | 188 |
11 |
| Luminaid Lab LLC | 20 |
10 |
| Walter R. Tucker Enterprises, Ltd. | 45 |
8 |
| Eveready Battery Company, Inc. | 315 |
6 |
| TTP Holdings LLC | 11 |
6 |
| Alltemp Products Company Limited | 68 |
5 |
| Armament Systems and Procedures, Inc. | 171 |
5 |
| Pelican Products, Inc. | 207 |
5 |
| Bollinger Industries, Inc., a de Corp. | 110 |
5 |
| Coast Cutlery Co. | 153 |
4 |
| Nite Ize, Inc. | 456 |
4 |
| L&L Candle Company, LLC | 262 |
4 |
| Illinois Tool Works Inc. | 10983 |
3 |
| 9609385 Canada Inc. | 62 |
3 |
| E. Mishan & Sons, Inc. | 425 |
3 |
| Ningbo Taller Electrical Appliance Co., Ltd. | 14 |
3 |
| Other owners | 230 |