- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01K - Steam engine plantssteam accumulatorsengine plants not otherwise provided forengines using special working fluids or cycles
- F01K 3/26 - Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters with heating by steam
Patent holdings for IPC class F01K 3/26
Total number of patents in this class: 61
10-year publication summary
|
5
|
8
|
3
|
2
|
4
|
6
|
5
|
9
|
10
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Malta Inc. | 107 |
9 |
| Siemens AG | 24132 |
5 |
| Energy Dome S.p.A. | 40 |
4 |
| GE Infrastructure Technology, LLC | 6181 |
3 |
| Arabelle Solutions France | 154 |
3 |
| Malta Hochtemperatur Wärmepumpen Stromspeicher GmbH | 6 |
3 |
| Heat Source Energy Corp. | 14 |
2 |
| Holtec International, Inc. | 275 |
2 |
| Exency Ltd | 8 |
2 |
| Mitsubishi Power, Ltd. | 1823 |
2 |
| Mitsubishi Power Americas, Inc. | 59 |
2 |
| Rtx Corporation | 9946 |
2 |
| GE Vernova Infrastructure Technology LLC | 451 |
2 |
| Toshiba Corporation | 12687 |
1 |
| Siemens Energy, Inc. | 1692 |
1 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
1 |
| General Electric Technology GmbH | 1343 |
1 |
| Hatch Ltd. | 220 |
1 |
| Hyundai Heavy Industries Co., Ltd. | 272 |
1 |
| Korea Electric Power Corporation | 464 |
1 |
| Other owners | 13 |