- 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: 44
10-year publication summary
|
1
|
5
|
7
|
10
|
9
|
7
|
5
|
2
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Heat IP Holdco, LLC | 48 |
4 |
| Clean Planet Inc. | 68 |
3 |
| Miura Co., Ltd. | 290 |
3 |
| Smiths Detection-Watford Limited | 197 |
3 |
| Uop LLC | 4187 |
2 |
| Fuji Electric Co., Ltd. | 4984 |
2 |
| GE-Hitachi Nuclear Energy Americas LLC | 416 |
2 |
| IHI Corporation | 3366 |
2 |
| XDI Holdings, LLC | 39 |
2 |
| Kore Infrastructure | 4 |
2 |
| Canon Inc. | 38240 |
1 |
| Hitachi, Ltd. | 15239 |
1 |
| Balcke-Durr GmbH | 17 |
1 |
| Diehl Aerospace GmbH | 149 |
1 |
| HORIBA STEC, Co., Ltd. | 314 |
1 |
| HS Marston Aerospace Ltd. | 39 |
1 |
| Metawater Co., Ltd. | 188 |
1 |
| Mitsubishi Hitachi Power Systems Europe GmbH | 40 |
1 |
| RASIRC, Inc. | 47 |
1 |
| Redline Detection, LLC | 32 |
1 |
| Other owners | 9 |