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  • F - Mechanical engineeringlightingheatingweaponsblasting
  • F22B - Methods of steam generationsteam boilers
  • F22B 37/10 - Water tubesAccessories therefor

Patent holdings for IPC class F22B 37/10

Total number of patents in this class: 225

10-year publication summary

19
22
22
24
13
11
4
6
9
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Siemens AG
24525
12
Mitsubishi Heavy Industries, Ltd.
8685
11
Mitsubishi Hitachi Power Systems, Ltd.
993
7
Valmet Technologies Oy
287
7
NuScale Power, LLC
266
6
General Electric Company
13829
5
Panasonic Intellectual Property Management Co., Ltd.
31201
5
The Chugoku Electric Power Co., Inc.
514
5
Doosan Heavy Industries & Construction Co., Ltd.
581
5
Alstom Technology Ltd
1109
4
Clean Thermodynamic Energy Conversion Ltd
11
4
Fulton Group N.A., Inc.
50
4
General Electric Technology GmbH
1371
4
Miura Co., Ltd.
287
4
Mitsubishi Power, Ltd.
1760
4
Atomic Energy of Canada Limited
128
3
Westinghouse Electric Company LLC
1134
3
Zampell Refractories, Inc.
16
3
Sumitomo Shi FW Energia Oy
57
3
EBARA Environmental Plant Co., Ltd.
42
3
Other owners 123

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