- 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 1/36 - Water and air preheating systems
Patent holdings for IPC class F22D 1/36
Total number of patents in this class: 24
10-year publication summary
|
0
|
6
|
0
|
2
|
2
|
1
|
3
|
3
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Technology GmbH | 1337 |
3 |
| Doosan Power Systems Limited | 19 |
2 |
| Maxi-therme Inc. | 15 |
2 |
| Daniel Steam, Inc. | 2 |
2 |
| Robert Bosch GmbH | 44176 |
1 |
| Alstom Technology Ltd | 1040 |
1 |
| Doosan Babcock Energy America LLC | 2 |
1 |
| Exponential Technologies, Inc. | 32 |
1 |
| Hitachi Zosen Corporation | 590 |
1 |
| Korea Hydro & Nuclear Power Co., Ltd. | 563 |
1 |
| Shanghai Fubo EP Equipment Co., Ltd. | 8 |
1 |
| Xi'an Jiaotong University | 736 |
1 |
| GE Infrastructure Technology, LLC | 6165 |
1 |
| Arvos Ljungstrom LLC | 48 |
1 |
| Sumitomo Shi FW Energia Oy | 62 |
1 |
| EBARA Environmental Plant Co., Ltd. | 47 |
1 |
| Jingneng (Xilinguole) Power Co.,Ltd. | 4 |
1 |
| Mitsubishi Power, Ltd. | 1834 |
1 |
| Xi’an Tpri Boiler & Environmental Protection Engineering Co., Ltd. | 19 |
1 |
| Other owners | 0 |