- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22B - Methods of steam generationsteam boilers
- F22B 35/00 - Control systems for steam boilers
Patent holdings for IPC class F22B 35/00
Total number of patents in this class: 396
10-year publication summary
|
18
|
24
|
17
|
24
|
17
|
29
|
16
|
17
|
30
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Miura Co., Ltd. | 284 |
32 |
| Mitsubishi Heavy Industries, Ltd. | 9172 |
19 |
| Mitsubishi Power, Ltd. | 1834 |
12 |
| NuScale Power, LLC | 310 |
11 |
| GE Infrastructure Technology, LLC | 6154 |
10 |
| Emerson Process Management Power & Water Solutions, Inc. | 117 |
9 |
| IHI Corporation | 3534 |
9 |
| Siemens AG | 23983 |
8 |
| Skavis Corporation | 12 |
8 |
| Electric Power Development Co., Ltd. | 68 |
7 |
| Ice Thermal Harvesting, LLC | 77 |
7 |
| NYK Trading Corporation | 7 |
5 |
| Siemens Energy Global GmbH & Co. KG | 3447 |
5 |
| Alstom Technology Ltd | 1035 |
4 |
| Altria Client Services LLC | 2449 |
4 |
| China Nuclear Power Technology Research Institute Co., Ltd. | 249 |
4 |
| Sumitomo Shi FW Energia Oy | 62 |
4 |
| Hitachi, Ltd. | 16183 |
3 |
| Idemitsu Kosan Co., Ltd. | 4263 |
3 |
| Air Products and Chemicals, Inc. | 1468 |
3 |
| Other owners | 229 |