- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 37/14 - Supply mains, e.g. rising mains, down-comers, in connection with water tubes
Patent holdings for IPC class F22B 37/14
Total number of patents in this class: 28
10-year publication summary
|
2
|
0
|
2
|
1
|
8
|
4
|
3
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alstom Technology Ltd | 1196 |
3 |
| The Babcock & Wilcox Company | 184 |
3 |
| Sumitomo Shi FW Energia Oy | 48 |
3 |
| Foster Wheeler Energia Oy | 53 |
2 |
| GE-Hitachi Nuclear Energy Americas LLC | 406 |
2 |
| Valmet Technologies Oy | 284 |
2 |
| Siemens AG | 24990 |
1 |
| LG Electronics Inc. | 69257 |
1 |
| Doosan Power Systems Limited | 19 |
1 |
| ES Co., Ltd. | 3 |
1 |
| Korea Institute of Energy Research | 803 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
1 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
1 |
| NEM B.V. | 4 |
1 |
| Samsung Engineering Co., Ltd. | 45 |
1 |
| Stork Thermeq B.V. | 8 |
1 |
| Jiangsu Taihu Boiler Co., Ltd | 6 |
1 |
| CNIM Groupe | 16 |
1 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
1 |
| Other owners | 0 |