- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22B - Methods of steam generationsteam boilers
- F22B 3/02 - Other methods of steam generationSteam boilers not provided for in other groups of this subclass involving the use of working media other than water
Patent holdings for IPC class F22B 3/02
Total number of patents in this class: 43
10-year publication summary
|
5
|
7
|
10
|
9
|
7
|
5
|
2
|
0
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Heat IP Holdco, LLC | 49 |
4 |
| Clean Planet Inc. | 85 |
3 |
| Miura Co., Ltd. | 285 |
3 |
| Smiths Detection-Watford Limited | 204 |
3 |
| Kore Infrastructure | 5 |
3 |
| Uop LLC | 4390 |
2 |
| Fuji Electric Co., Ltd. | 5511 |
2 |
| GE-Hitachi Nuclear Energy Americas LLC | 453 |
2 |
| IHI Corporation | 3527 |
2 |
| Canon Inc. | 44051 |
1 |
| Hitachi, Ltd. | 16163 |
1 |
| Balcke-Durr GmbH | 16 |
1 |
| Diehl Aerospace GmbH | 153 |
1 |
| HORIBA STEC, Co., Ltd. | 365 |
1 |
| HS Marston Aerospace Ltd. | 39 |
1 |
| Metawater Co., Ltd. | 200 |
1 |
| Mitsubishi Hitachi Power Systems Europe GmbH | 39 |
1 |
| RASIRC, Inc. | 48 |
1 |
| Redline Detection, LLC | 34 |
1 |
| Saudi Arabian Oil Company | 14305 |
1 |
| Other owners | 8 |