- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21L - Lighting devices or systems thereof, being portable or specially adapted for transportation
- F21L 4/04 - Electric lighting devices with self-contained electric batteries or cells characterised by provision of a light source housing portion adjustably fixed to the remainder of the device
Patent holdings for IPC class F21L 4/04
Total number of patents in this class: 380
10-year publication summary
|
31
|
29
|
44
|
35
|
30
|
36
|
31
|
27
|
30
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Milwaukee Electric Tool Corporation | 4796 |
41 |
| Streamlight, Inc. | 438 |
34 |
| MAG Instrument, Inc. | 154 |
15 |
| Black & Decker, Inc. | 2415 |
14 |
| Designs for Vision, Inc. | 105 |
10 |
| Techtronic Cordless GP, Gainful Plan Trading Limited, an entity organized in the British Virgin Islands and TTI Finance Ltd., an entity organized in the British Virgin Islands | 1578 |
8 |
| SureFire, LLC | 305 |
7 |
| Walter R. Tucker Enterprises, Ltd. | 55 |
7 |
| Energizer Brands, LLC | 789 |
6 |
| Integra LifeSciences Corporation | 270 |
6 |
| First-Light USA, LLC | 30 |
5 |
| Nanjing Chervon Industry Co., Ltd. | 1207 |
5 |
| Robert Bosch GmbH | 43554 |
4 |
| Biolite, Inc. | 20 |
4 |
| Jack Sealey Limited | 20 |
4 |
| Nite Ize, Inc. | 486 |
4 |
| Pelican Products, Inc. | 268 |
4 |
| SimpliSafe, Inc. | 378 |
4 |
| Signify Holding B.V. | 7887 |
4 |
| Vector Products, Inc. | 162 |
3 |
| Other owners | 191 |