- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24S - Solar heat collectorssolar heat systems
- F24S 20/40 - Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
Patent holdings for IPC class F24S 20/40
Total number of patents in this class: 71
10-year publication summary
|
2
|
4
|
8
|
8
|
14
|
15
|
7
|
9
|
9
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Exa Energy Technology (Shenzhen) Co., Ltd. | 16 |
6 |
| Shell Internationale Research Maatschappij B.V. | 3514 |
4 |
| Shenzhen Enesoon Science & Technology Co., Ltd. | 48 |
3 |
| News | 11 |
3 |
| Dalian University of Technology | 1556 |
2 |
| Midea Group Co., Ltd. | 4715 |
2 |
| Nantong University | 271 |
2 |
| Xi'an Jiaotong University | 678 |
2 |
| Ecool Advanced Urban Engineering GmbH | 6 |
2 |
| Bilfinger Engineering & Technologies GmbH | 5 |
2 |
| Shell USA, Inc. | 1271 |
2 |
| Power8 Tech Inc. | 23 |
2 |
| Beijing Lanhaiyineng New Energy Group Co. Ltd | 3 |
2 |
| Enover ISI Si̇stemleri̇ Anoni̇m Şi̇rketi̇ | 28 |
2 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1942 |
1 |
| GREE Electric Appliances, Inc. of Zhuhai | 3267 |
1 |
| Holtec International, Inc. | 274 |
1 |
| King Fahd University of Petroleum and Minerals | 1423 |
1 |
| Korea Institute of Energy Research | 870 |
1 |
| Look for The Power, LLC | 19 |
1 |
| Other owners | 29 |