- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22B - Methods of steam generationsteam boilers
- F22B 33/18 - Combinations of steam boilers with other apparatus
Patent holdings for IPC class F22B 33/18
Total number of patents in this class: 122
10-year publication summary
|
2
|
4
|
14
|
8
|
6
|
5
|
12
|
7
|
13
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xi'an Thermal Power Research Institute Co., Ltd. | 448 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 9099 |
4 |
| Nu Flow Technologies 2000 Inc. | 31 |
4 |
| Washington University | 1733 |
3 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
2 |
| Enero Inventions Inc. | 3 |
2 |
| Holtec International, Inc. | 275 |
2 |
| IHI Corporation | 3532 |
2 |
| Korea Atomic Energy Research Institute | 465 |
2 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4113 |
2 |
| Miura Co., Ltd. | 286 |
2 |
| N-fab, Inc. | 26 |
2 |
| Parat Halvorsen AS | 7 |
2 |
| William Marsh Rice University | 1066 |
2 |
| Empirical Innovations, Inc. | 40 |
2 |
| King Abdullah City for Atomic and Renewable Energy | 20 |
2 |
| SE Corporation | 20 |
2 |
| Mitsubishi Power, Ltd. | 1830 |
2 |
| Xi'an Tpri Energy Conservation Technology Co., Ltd | 26 |
2 |
| General Electric Company | 13894 |
1 |
| Other owners | 75 |