- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21L - Lighting devices or systems thereof, being portable or specially adapted for transportation
- F21L 14/04 - Electric lighting devices without a self-contained power source, e.g. for mains connection carried on wheeled supports
Patent holdings for IPC class F21L 14/04
Total number of patents in this class: 19
10-year publication summary
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3
|
3
|
2
|
4
|
4
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0
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2
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2
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2
|
3
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Briggs & Stratton, LLC | 671 |
5 |
| Heimdall (UK) Limited | 2 |
2 |
| Light Boy Co., Ltd. | 8 |
2 |
| Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd. | 195 |
1 |
| Clark Equipment Company | 305 |
1 |
| Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
1 |
| Mark D. Carroll | 2 |
1 |
| Cinelease LLC | 26 |
1 |
| BryCo Solar Systems, LLC | 1 |
1 |
| Cedar Lane Technologies Inc. | 3 |
1 |
| Dog Watch Lighting Pty Ltd | 1 |
1 |
| Miniera Pty Ltd | 2 |
1 |
| North Grow Lighting AS | 1 |
1 |
| Other owners | 0 |