- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 37/10 - Water tubes; Accessories therefor
Patent holdings for IPC class F22B 37/10
Total number of patents in this class: 224
10-year publication summary
21
|
19
|
22
|
22
|
24
|
13
|
11
|
4
|
6
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens AG | 24990 |
12 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
11 |
Mitsubishi Hitachi Power Systems, Ltd. | 999 |
7 |
NuScale Power, LLC | 236 |
6 |
Valmet Technologies Oy | 284 |
6 |
General Electric Company | 18133 |
5 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
5 |
The Chugoku Electric Power Co., Inc. | 498 |
5 |
Doosan Heavy Industries & Construction Co., Ltd. | 604 |
5 |
General Electric Technology GmbH | 1657 |
5 |
Alstom Technology Ltd | 1196 |
4 |
Clean Thermodynamic Energy Conversion Ltd | 10 |
4 |
Fulton Group N.A., Inc. | 48 |
4 |
Miura Co., Ltd. | 287 |
4 |
Mitsubishi Power, Ltd. | 1680 |
4 |
Atomic Energy of Canada Limited | 132 |
3 |
Westinghouse Electric Company LLC | 1087 |
3 |
Zampell Refractories, Inc. | 16 |
3 |
Sumitomo Shi FW Energia Oy | 48 |
3 |
EBARA Environmental Plant Co., Ltd. | 37 |
3 |
Other owners | 122 |