- 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 11/06 - Arrangements of feed-water pumps for returning condensate to boiler
Patent holdings for IPC class F22D 11/06
Total number of patents in this class: 48
10-year publication summary
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3
|
4
|
6
|
5
|
4
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5
|
3
|
7
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TLV Co., Ltd. | 335 |
11 |
| Miura Co., Ltd. | 287 |
7 |
| Victor Tokuhan Co., Ltd. | 3 |
3 |
| Condor Technologies, Inc. | 3 |
3 |
| GE Infrastructure Technology, LLC | 6146 |
2 |
| Siemens AG | 24553 |
1 |
| Dalian University of Technology | 1484 |
1 |
| Guangdong University of Technology | 541 |
1 |
| Jinan University | 223 |
1 |
| Maxi-therme Inc. | 14 |
1 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
1 |
| Xi'an Jiaotong University | 637 |
1 |
| Samtech Limited | 1 |
1 |
| Toshiba Energy Systems & Solutions Corp. | 1050 |
1 |
| HeNan Polytechnic University | 96 |
1 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6293 |
1 |
| Samtech Limited | 1 |
1 |
| Datang Environment Industry Group Co., Ltd. | 11 |
1 |
| China Energy Engineering Group Zhejiang Eleteric Power Design Institute Co., Ltd. | 1 |
1 |
| Wanze System Control Co., Ltd. Tianjin | 1 |
1 |
| Other owners | 7 |