- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22D - Preheating, or accumulating preheated, feed-water for steam generationfeed-water supply for steam generationcontrolling water level for steam generationauxiliary devices for promoting water circulation within steam boilers
- F22D 5/36 - Automatic feed-control systems for feeding a number of steam boilers designed for different ranges of temperature and pressure
Patent holdings for IPC class F22D 5/36
Total number of patents in this class: 8
10-year publication summary
|
2
|
1
|
1
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24477 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8725 |
1 |
| Fccl Partnership | 38 |
1 |
| Heat-timer Corporation | 10 |
1 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
1 |
| Rinnai Corporation | 244 |
1 |
| Mitsubishi Power, Ltd. | 1762 |
1 |
| Siemens Energy Global GmbH & Co. KG | 2969 |
1 |
| Other owners | 0 |