- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22B - Methods of steam generationsteam boilers
- F22B 29/06 - Steam boilers of forced-flow type of once-through type, i.e. built-up from tubes receiving water at one end and delivering superheated steam at the other end of the tubes
Patent holdings for IPC class F22B 29/06
Total number of patents in this class: 233
10-year publication summary
|
10
|
11
|
12
|
5
|
4
|
17
|
18
|
13
|
18
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rondo Energy, Inc. | 95 |
61 |
| Siemens AG | 24020 |
30 |
| Siemens Energy Global GmbH & Co. KG | 3357 |
14 |
| General Electric Technology GmbH | 1337 |
13 |
| Alstom Technology Ltd | 1040 |
10 |
| Fccl Partnership | 41 |
4 |
| NuScale Power, LLC | 309 |
4 |
| Tsinghua University | 6217 |
3 |
| ITEA S.p.A. | 26 |
3 |
| Skavis Corporation | 12 |
3 |
| AMEC Foster Wheeler Energia Oy | 23 |
2 |
| Cenovus Energy Inc. | 425 |
2 |
| China Petroleum & Chemical Corporation | 2154 |
2 |
| Doosan Power Systems Limited | 19 |
2 |
| Foster Wheeler Energia Oy | 42 |
2 |
| Huaneng Clean Energy Research Institute | 509 |
2 |
| NEM Energy B.V. | 16 |
2 |
| Nuovo Pignone S.p.A. | 89 |
2 |
| PCL Industrial Services, Inc. | 2 |
2 |
| PNC Bank, National Association, AS Administrative Agent | 107 |
2 |
| Other owners | 68 |