- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22B - Methods of steam generationsteam boilers
- F22B 37/42 - Applications, arrangements or dispositions of alarm or automatic safety devices
Patent holdings for IPC class F22B 37/42
Total number of patents in this class: 62
10-year publication summary
|
6
|
6
|
6
|
4
|
6
|
1
|
4
|
6
|
2
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TLV Co., Ltd. | 332 |
3 |
| Sumitomo Shi FW Energia Oy | 59 |
3 |
| Resideo LLC | 1312 |
3 |
| BASF SE | 21083 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8861 |
2 |
| A. o. Smith Enterprises Ltd. | 34 |
2 |
| AERCO International, Inc. | 45 |
2 |
| Armstrong International, Inc. | 32 |
2 |
| Lochinvar, LLC | 113 |
2 |
| Sumitomo Heavy Industries, Ltd. | 1969 |
2 |
| Westinghouse Electric Company LLC | 1154 |
2 |
| Siemens AG | 24342 |
1 |
| Hitachi, Ltd. | 15655 |
1 |
| Mitsubishi Electric Corporation | 46814 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 32296 |
1 |
| Korea Advanced Institute of Science and Technology | 4450 |
1 |
| Areva GmbH | 90 |
1 |
| China General Nuclear Power Corporation | 284 |
1 |
| China Nuclear Power Technology Research Institute Co., Ltd. | 216 |
1 |
| Chung-Ang University Industry-Academy Cooperation Foundation | 439 |
1 |
| Other owners | 28 |