- 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 5/26 - Automatic feed-control systems
Patent holdings for IPC class F22D 5/26
Total number of patents in this class: 49
10-year publication summary
|
4
|
5
|
5
|
4
|
2
|
5
|
3
|
4
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 6247 |
5 |
| Miura Co., Ltd. | 286 |
4 |
| LG Electronics Inc. | 73476 |
3 |
| Siemens Energy Global GmbH & Co. KG | 3007 |
3 |
| Fccl Partnership | 36 |
2 |
| Maxi-therme Inc. | 15 |
2 |
| Potter Electric Signal Company, LLC | 79 |
2 |
| Taco, Inc. | 191 |
2 |
| Xi'an Jiaotong University | 664 |
2 |
| Mitsubishi Power, Ltd. | 1779 |
2 |
| Versuni Holding B.V. | 952 |
2 |
| Samsung Electronics Co., Ltd. | 147334 |
1 |
| Honeywell International Inc. | 13554 |
1 |
| Hitachi, Ltd. | 15537 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 31756 |
1 |
| BSH Hausgeräte GmbH | 5538 |
1 |
| DRI-STEEM Corporation | 47 |
1 |
| E.G.O. Elektro-Geraetebau GmbH | 139 |
1 |
| FuelCell Energy, Inc. | 327 |
1 |
| General Electric Technology GmbH | 1373 |
1 |
| Other owners | 11 |