- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21V - Functional features or details of lighting devices or systems thereofstructural combinations of lighting devices with other articles, not otherwise provided for
- F21V 29/90 - Heating arrangements
Patent holdings for IPC class F21V 29/90
Total number of patents in this class: 123
10-year publication summary
|
15
|
14
|
8
|
15
|
9
|
18
|
10
|
10
|
13
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koito Manufacturing Co., Ltd. | 2455 |
7 |
| Van Straten Enterprises, Inc. | 20 |
6 |
| J.W. Speaker, Corporation | 50 |
4 |
| Hotalux, Ltd. | 100 |
4 |
| NEC Lighting, Ltd. | 69 |
3 |
| Tramec, LLC | 19 |
3 |
| Eaton Intelligent Power Limited | 6265 |
3 |
| Signify Holding B.V. | 8100 |
3 |
| Barco Visual Solutions, Inc. | 51 |
3 |
| Apple Inc. | 58995 |
2 |
| Denso Corporation | 25633 |
2 |
| Ford Global Technologies, LLC | 21555 |
2 |
| Cooper Technologies Company | 617 |
2 |
| Appalachian Lighting Systems, Inc. | 15 |
2 |
| Chengdu BOE Optoelectronics Technology Co., Ltd. | 7743 |
2 |
| European Thermodynamics Limited | 18 |
2 |
| Goodrich Lighting Systems, Inc. | 45 |
2 |
| Guangzhou Haoyang Electronic Co., Ltd. | 250 |
2 |
| Min Hsiang Corporation | 21 |
2 |
| Panor Corp. | 14 |
2 |
| Other owners | 65 |