- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 37/22 - Drums; Headers; Accessories therefor
Patent holdings for IPC class F22B 37/22
Total number of patents in this class: 76
10-year publication summary
2
|
4
|
4
|
4
|
5
|
4
|
10
|
2
|
5
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Heavy Industries, Ltd. | 8217 |
7 |
Alstom Technology Ltd | 1196 |
5 |
General Electric Technology GmbH | 1657 |
4 |
Mitsubishi Hitachi Power Systems, Ltd. | 999 |
4 |
Electricite de France | 695 |
3 |
GE Infrastructure Technology, LLC | 5873 |
3 |
Siemens AG | 24990 |
2 |
Air Products and Chemicals, Inc. | 1448 |
2 |
Alfa Laval Corporate AB | 1265 |
2 |
The Babcock & Wilcox Company | 184 |
2 |
Ceres Intellectual Property Company Limited | 250 |
2 |
Huntington Alloys Corporation | 69 |
2 |
Korea Atomic Energy Research Institute | 418 |
2 |
Miura Co., Ltd. | 287 |
2 |
NuScale Power, LLC | 236 |
2 |
Jiangsu Taihu Boiler Co., Ltd | 6 |
2 |
King Abdullah City for Atomic and Renewable Energy | 20 |
2 |
Babcock & Wilcox Canada Corp. | 11 |
2 |
Mitsubishi Power, Ltd. | 1680 |
2 |
General Electric Company | 18133 |
1 |
Other owners | 23 |