- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24D - Domestic- or space-heating systems, e.g. central heating systemsdomestic hot-water supply systemselements or components therefor
- F24D 12/02 - Other central heating systems having more than one heat source
Patent holdings for IPC class F24D 12/02
Total number of patents in this class: 186
10-year publication summary
|
18
|
15
|
8
|
3
|
11
|
8
|
8
|
13
|
21
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BDR Thermea Group B.V. | 175 |
11 |
| Rheem Manufacturing Company | 989 |
6 |
| Daikin Industries, Ltd. | 10386 |
5 |
| Racool, L.L.C. | 6 |
5 |
| A. o. Smith Corporation | 216 |
4 |
| Giacomini S.p.A. | 74 |
4 |
| Auburn University | 500 |
3 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2000 |
3 |
| Intellihot, Inc. | 130 |
3 |
| Kyungdong Navien Co., Ltd. | 619 |
3 |
| Midea Group Co., Ltd. | 4823 |
3 |
| Osaka Gas Co., Ltd. | 313 |
3 |
| Flexchanger Technologies Inc. | 9 |
3 |
| Axiom Energy Group, LLC | 15 |
3 |
| Exergo SA | 9 |
3 |
| Schlumberger Technology Corporation | 11456 |
2 |
| Schlumberger Canada Limited | 7544 |
2 |
| Schlumberger Technology B.v. | 5268 |
2 |
| Honda Motor Co., Ltd. | 25852 |
2 |
| LG Electronics Inc. | 74878 |
2 |
| Other owners | 114 |