- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22B - Methods of steam generationsteam boilers
- F22B 37/02 - Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
Patent holdings for IPC class F22B 37/02
Total number of patents in this class: 101
10-year publication summary
|
11
|
6
|
11
|
9
|
2
|
10
|
4
|
5
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8712 |
14 |
| Mitsubishi Power, Ltd. | 1760 |
9 |
| Arvos Ljungstrom LLC | 46 |
6 |
| Nalco Company | 563 |
5 |
| Skavis Corporation | 12 |
4 |
| Siemens AG | 24505 |
3 |
| Ecolab USA Inc. | 5478 |
3 |
| General Electric Technology GmbH | 1368 |
3 |
| Castle European Limited | 7 |
3 |
| General Electric Company | 13767 |
2 |
| Siemens Energy, Inc. | 1687 |
2 |
| IFP Energies Nouvelles | 2945 |
2 |
| Mitsubishi Materials Corporation | 2442 |
2 |
| Technip France | 705 |
2 |
| WK Enterprises, LLC | 7 |
2 |
| Zhejiang University | 3141 |
2 |
| GE Infrastructure Technology, LLC | 6213 |
2 |
| Enogia | 17 |
2 |
| Xi'an Thermal Power Research Institute Co., Ltd. | 334 |
2 |
| Nooter/eriksen, Inc. | 68 |
2 |
| Other owners | 29 |