- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 35/04 - Control systems for steam boilers for steam boilers with natural convection circulation during starting-up periods, i.e. during the periods between the lighting of the furnaces and the attainment of the normal operating temperature of the steam boilers
Patent holdings for IPC class F22B 35/04
Total number of patents in this class: 7
10-year publication summary
|
0
|
1
|
2
|
0
|
0
|
0
|
0
|
1
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Technology GmbH | 1657 |
3 |
| Siemens AG | 24990 |
2 |
| Alstom Technology Ltd | 1196 |
1 |
| GE Infrastructure Technology, LLC | 5873 |
1 |
| Other owners | 0 |